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Contents
- The climate of Captiva
- The best time to visit Captiva
- The worst time to visit Captiva
- Spring weather in Captiva
- Summer weather in Captiva
- Autumn weather in Captiva
- Winter weather in Captiva
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average sea temperature
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
The climate of Captiva
Captiva, Florida, USA, sits in the Köppen climate classification as Cfa, indicating a predominately humid subtropical climate with no dry season. The island's geographical position combines with this climate to produce varied weather conditions throughout the year.
Monthly average temperatures experience a gentle rise and fall across the course of a year, reaching their peak in July and August with a top average of 88°F (31.1°C), and dipping to their lowest in January with average lows of 58.8°F (14.9°C). A similar pattern of change informs Captiva's humidity levels and cloud cover, both relatively steady with a minor increase during the summertime.
Rainfall characteristics further illustrate this subtropical weather, with an escalation from January's 0.28" (7mm) of precipitation to the heavy downpours of August which delivers an average of 1.93" (49mm). Across the year, the number of rainfall days also increase, reaching a high of 19.5 days in September, and subsiding to a low of 4.1 days in February. The sea temperature, however, varies less dramatically, hovering around 72°F (22.2°C) to 86°F (30°C) across the year.
Notable climate characteristics on Captiva include the heightened UV index, which flutters around 7 during the mid-year months, and a stable visibility range of 6 miles throughout the year.
Monthly average temperatures experience a gentle rise and fall across the course of a year, reaching their peak in July and August with a top average of 88°F (31.1°C), and dipping to their lowest in January with average lows of 58.8°F (14.9°C). A similar pattern of change informs Captiva's humidity levels and cloud cover, both relatively steady with a minor increase during the summertime.
Rainfall characteristics further illustrate this subtropical weather, with an escalation from January's 0.28" (7mm) of precipitation to the heavy downpours of August which delivers an average of 1.93" (49mm). Across the year, the number of rainfall days also increase, reaching a high of 19.5 days in September, and subsiding to a low of 4.1 days in February. The sea temperature, however, varies less dramatically, hovering around 72°F (22.2°C) to 86°F (30°C) across the year.
Notable climate characteristics on Captiva include the heightened UV index, which flutters around 7 during the mid-year months, and a stable visibility range of 6 miles throughout the year.
The best time to visit Captiva
A trip to Captiva, Florida, is arguably best planned for the start of the year, from January to April. During this period, the temperatures maintain a comfortable level from 70°F (21.1°C) to 79.5°F (26.4°C). The rainfall is also at its minimum, making outdoor activities more enjoyable. The relative humidity also stays stable around 74% to 73%, making the weather quite comfortable. The daylight hours extend to 12 hours and 8 minutes in April, providing ample time for sightseeing and other activities.
The worst time to visit Captiva
The period between June and September experiences the heaviest rainfall, with average precipitation levels rising up to 1.93" (49mm) in August. Considering the higher number of rainfall days, reaching a peak of 19.5 days in September, it may not be the best time for tourists who prefer dry weather. Besides, average temperatures also rise beyond 86°F (30°C), adding to the discomfort levels.
Spring weather in Captiva
Springtime in Captiva is characterized by moderately warm temperatures. The period from March to May sees the temperature range grow from 74.3°F (23.5°C) to 83.1°F (28.4°C). Rainfall levels rise slightly from 0.16" (4mm) to 0.63" (16mm). However, the number of rainfall days also witness a surge, from 5.7 days in March to 9.3 days in May. While spring starts with a healthier 12 hours of daylight, there is a rising trend of sunlight reaching 13.5 hours by May.
Summer weather in Captiva
The summer months in Captiva, occurring from June through August, is characterized by particularly high temperatures with the peak recorded as 88°F (31.1°C). The region experiences the highest rainfall during this season, reaching up to 1.93" (49mm) in August. Despite this, the maximum daylight of 13.8 hours in June provides more than enough time for outdoor activities.
Autumn weather in Captiva
In Autumn, September through November, Captiva witnesses a drop in temperature ranging from 86.7°F (30.4°C) to 77.5°F (25.3°C). Despite decreasing temperatures, rainfall is still quite frequent with an average of 19.5 days in September and the precipitation level still significant at 0.83" (21mm) in November. While there's a gradual decrease in daylight hours, the amount of sunlight remains quite ample from 12.3 hours in September to 10.8 hours in November.
Winter weather in Captiva
Winter in Captiva, from December to February, is fairly mild with temperatures ranging from 70°F (21.1°C) in December to 72°F (22.2°C) in February. The region experiences fewer rainfall days with only 4.8 in December and 4.1 in February. The daylight hours decrease further to a minimum of 10.5 hours in December, but the UV index remains stable with a record of 5 and 6 in these months. This season is characterized by the decrease in sea temperatures, settling at 75°F (23.9°C) in December.
Weather in January
January is the beginning year in Captiva, Florida, USA. Expect mild weather from 58.8°F (14.9°C) to 70°F (21.1°C), an excellent way to escape the winter chill. The month manifests lower daylight hours at 10.7 hours and also the month with the least wind speeds averaging 9.7mph (15.6km/h). Weather in January »
Weather in February
Moving into February in Captiva, weather transitions show subtle shifts from January conditions. A slight increase in temperatures accompanies a gradual rise in humidity to 76%. Daily sunshine duration improves to 11.3 hours offering stunning sunsets. Weather in February »
Weather in March
March maintains the ascending weather tread in Captiva. The month records a high of 74.3°F (23.5°C), marking an obvious climb from the prior two months. A surge of daylight to 12 hours augments the opportunities for outdoor exploration. Weather in March »
Weather in April
April induces marked climatic changes in Captiva. Expect a noticeable leap in temperatures from 70.2°F (21.2°C) to 79.5°F (26.4°C). Correspondingly, an increased UV index to 6 calls for precautionary measures during outdoor activities. Weather in April »
Weather in May
May brings the onset of summer in Captiva. A significant temperature jump to 83.1°F (28.4°C) signifies the imminent heat. There's a sharp incline in rainfall reaching 0.63" (16mm), hinting at moister conditions. An extended daylight duration of up to 13.5 hours opens extensive recreational prospects. Weather in May »
Weather in June
June reinforces the summer conditions in Captiva. The mercury finally hits 86.2°F (30.1°C), signaling the acutest heat period. A heightened UV index of 7 requires sun-shielding strategies for beach goers and outdoor enthusiasts. The trend of increasing wind gust continues, providing an occasional breeze during the sun-drenched days. Weather in June »
Weather in July
July stands as the warmest month in Captiva. The considerable temperature shift to 87.4°F (30.8°C) pinpoints the month's peak warmth. Additionally, humidity hits a drop to 73%, causing relatively dry conditions. Meanwhile, pressure measurements reveal a slight increase. Weather in July »
Weather in August
August retains high summer conditions in Captiva. Maximum temperature hangs on at 88°F (31.1°C), merely adding to the pervasive heat. An escalation in rainfall to 1.93" (49mm) brings refreshing, albeit brief, showers. A slight downward shift occurs in daylight hours though the UV index remains. Weather in August »
Weather in September
September marks the zenith of rainfall in Captiva with 1.02" (26mm). The month sees a slight dip in temperature to 86.7°F (30.4°C), but the rainfall brings relief to the summer blaze. Concurrently, daylight and sunshine duration decelerate. Weather in September »
Weather in October
October in Captiva is a blissful period of transition from summer to fall. A significant decrease to 83.3°F (28.5°C) in temperature captures the fading summer. The sea temperature remains relatively high, favoring water sports and coastal activities. Weather in October »
Weather in November
November indicates a more pronounced shift towards cooler conditions in Captiva. The mercury drops to 77.5°F (25.3°C), inferring an outgoing warmth period. Additionally, daylight hours fall to 10.8 hours, marking shorter daylight. Weather in November »
Weather in December
December signifies the entry of winter in Captiva, accompanied by a refreshing weather shift. A substantial temperature drop to 73.9°F (23.3°C) heralds the closing month of the year. Under the mellow sunshine, daylight hours continue to shorten. Weather in December »
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
January, known for its average high temperature of 70°F (21.1°C) and an average low temperature of 58.8°F (14.9°C), is the coldest month.
How many days does it rain?
Throughout the year, there are 122 rainfall days, and 8.98" (228mm) of precipitation is accumulated.
When is the lowest UV index?
The months with the lowest UV index are January and February, with an average maximum UV index of 5.
What month is the ocean coldest?
The month with the coldest seawater is February, with an average ocean temperature of 69.8°F (21°C).
What is the least humid month?
The least humid month is March, with an average relative humidity of 72%.
What is the driest month?
The month with the least rainfall in Captiva, Florida, is March, when the rain falls for 5.7 days and typically collects 0.16" (4mm) of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What month has the most sunshine in Captiva?
May has the most sunshine of the year, with an average of 11.1h of sunshine.
What is the month with the highest UV index?
The months with the highest UV index are May through September, with an average maximum UV index of 7.
When are the longest days?
With an average of 13h and 48min of daylight, June has the longest days of the year.
What month is the hottest?
August is the warmest month, exhibiting average temperatures of 88°F (31.1°C) at the peak and 81°F (27.2°C) at the base.
What is the wettest month?
The month with the most rainfall is August, when the rain falls for 18.3 days and typically aggregates up to 1.93" (49mm) of precipitation.
When is the ocean warmest in Captiva?
August is the month with the warmest seawater, with an average ocean temperature of 86°F (30°C).
What is the most humid month?
The most humid month is December, with an average relative humidity of 77%.
What is the month with the shortest days?
With an average of 10h and 30min of daylight, December has the shortest days of the year.
What is the month with the least sunshine?
December has the least sunshine of the year in Captiva, with an average of 6.7h of sunshine.
Average temperature
Captiva, FL
The warmest month (with the highest average high temperature) is August (88°F).
The month with the lowest average high temperature is January (70°F).
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (58.8°F).
Average pressure
Captiva, FL
- Average pressure in January:
30.12"Hg - Average pressure in February:
30.09"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30"Hg - Average pressure in June:
29.99"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.95"Hg - Average pressure in October:
29.96"Hg - Average pressure in November:
30.04"Hg - Average pressure in December:
30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed
Captiva, FL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.1mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.3mph - Average wind speed in May:
8.5mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.9mph - Average wind speed in August:
7.3mph - Average wind speed in September:
7.9mph - Average wind speed in October:
9.9mph - Average wind speed in November:
9.9mph - Average wind speed in December:
9.4mph
The windiest months (with the highest average wind speed) are October and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.9mph).
Average humidity
Captiva, FL
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is March (72%).
Average rainfall
Captiva, FL
- Average rainfall in January:
0.28" - Average rainfall in February:
0.24" - Average rainfall in March:
0.16" - Average rainfall in April:
0.28" - Average rainfall in May:
0.63" - Average rainfall in June:
1.26"
- Average rainfall in July:
1.61" - Average rainfall in August:
1.93" - Average rainfall in September:
1.02" - Average rainfall in October:
0.83" - Average rainfall in November:
0.28" - Average rainfall in December:
0.47"
The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is March (0.16").
Average rainfall days
Captiva, FL
- Average rainfall days in January:
4.8 days - Average rainfall days in February:
4.1 days - Average rainfall days in March:
5.7 days - Average rainfall days in April:
7.3 days - Average rainfall days in May:
9.3 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
18.3 days - Average rainfall days in September:
19.5 days - Average rainfall days in October:
10.9 days - Average rainfall days in November:
5.7 days - Average rainfall days in December:
5.5 days
The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is February (4.1 days).
Average sea temperature
Captiva, FL
The best month for swimming (with the highest average sea temperature) is August (86°F).
The coldest month (with the lowest average sea temperature) is February (70°F).
Average daylight / Average sunshine
Captiva, FL
- Average daylight in January:
10h and 4min - Average daylight in February:
11h and 2min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 5min - Average daylight in May:
13h and 3min - Average daylight in June:
13h and 5min
- Average daylight in July:
13h and 4min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 3min - Average daylight in November:
10h and 5min - Average daylight in December:
10h and 3min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
8h and 5min - Average sunshine in March:
8h and 5min - Average sunshine in April:
9h and 3min - Average sunshine in May:
11h and 1min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
11h and 0min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
7h and 4min - Average sunshine in November:
6h and 5min - Average sunshine in December:
6h and 4min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days
Captiva, FL
- Average sunshine days in January:
25.1 days - Average sunshine days in February:
23.1 days - Average sunshine days in March:
25 days - Average sunshine days in April:
20.9 days - Average sunshine days in May:
18.3 days - Average sunshine days in June:
11.8 days
- Average sunshine days in July:
9.1 days - Average sunshine days in August:
7.5 days - Average sunshine days in September:
7.2 days - Average sunshine days in October:
17.7 days - Average sunshine days in November:
22.5 days - Average sunshine days in December:
23.1 days
The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is September (7.2 days).
Average UV index
Captiva, FL
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).
Average cloud cover
Captiva, FL
The month with the most cloud cover is January (Cloud cover 29).
The months with the least cloud cover are March and May (Cloud cover 23).
Average visibility
Captiva, FL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).