Climate and monthly weather forecastSummerland Key, FL
Climate and monthly weather forecast
Weather in January
January, like December, is another pleasant winter month in Summerland Key, Florida, with an average temperature varying between 72.7°F (22.6°C) and 68.5°F (20.3°C). Summerland Key's temperature records reveal January as the coldest month, marked by average highs of 72.7°F (22.6°C) and lows of 68.5°F (20.3°C). Weather in January »Weather in February
The last month of the winter, February, is another pleasant month in Summerland Key, Florida, with an average temperature varying between 70°F (21.1°C) and 73.2°F (22.9°C). Summerland Key's shift from January to February is accompanied by an average high-temperature of a still pleasant 73.2°F (22.9°C), a slight deviation from 72.7°F (22.6°C). Weather in February »Weather in March
March, the first month of the spring in Summerland Key, is a warm month, with an average temperature ranging between max 73.9°F (23.3°C) and min 70.5°F (21.4°C). As Summerland Key steps into March, the average high-temperature is measured at a warm 73.9°F (23.3°C), displaying minor differences from February's 73.2°F (22.9°C). Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Summerland Key, Florida, with an average temperature ranging between min 75.2°F (24°C) and max 77.4°F (25.2°C). April experiences an average high-temperature of a still warm 77.4°F (25.2°C), barely different from March's 73.9°F (23.3°C). Weather in April »Weather in May
The last month of the spring, May, is another warm month in Summerland Key, Florida, with an average temperature varying between 78.3°F (25.7°C) and 80.2°F (26.8°C). The transition from April to May brings an average high-temperature of a still warm 80.2°F (26.8°C), barely different from April's 77.4°F (25.2°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Summerland Key, Florida, with temperature in the range of an average high of 83.3°F (28.5°C) and an average low of 81.5°F (27.5°C). June's weather records an average high-temperature of a still warm 83.3°F (28.5°C), showing little deviation from May. Weather in June »Weather in July
July, like June, in Summerland Key, Florida, is a moderately hot summer month, with temperature in the range of an average high of 84.6°F (29.2°C) and an average low of 82.9°F (28.3°C). In July, Summerland Key experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 83.3°F (28.5°C) in June to a still warm 84.6°F (29.2°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Summerland Key, Florida, with an average temperature fluctuating between 83.1°F (28.4°C) and 85.3°F (29.6°C). Summerland Key's August weather, marked by an average high temperature of 85.3°F (29.6°C) and an average low temperature of 83.1°F (28.4°C), is the warmest in the year. August's heat index is calculated to be a sweltering 95°F (35°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Summerland Key, Florida, with an average temperature fluctuating between 84.4°F (29.1°C) and 82.2°F (27.9°C). With the onset of September, Summerland Key's average high-temperature clocks in at a still moderately hot 84.4°F (29.1°C), showing a minor fluctuation from the previous month. Weather in September »Weather in October
October, like September, in Summerland Key, Florida, is a moderately hot autumn month, with an average temperature ranging between max 82°F (27.8°C) and min 79.7°F (26.5°C). The arrival of October is marked by an average high-temperature of a still moderately hot 82°F (27.8°C), bearing a close resemblance to September. Weather in October »Weather in November
November, the last month of the autumn in Summerland Key, is also a moderately hot month, with an average temperature varying between 74.8°F (23.8°C) and 77.9°F (25.5°C). Summerland Key's weather, upon November's arrival, documents an average high-temperature of a still moderately hot 77.9°F (25.5°C), nearly identical to the prior month. Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Summerland Key, Florida, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 72.3°F (22.4°C). December's average high-temperature is a still warm 75.2°F (24°C), maintaining a close comparison with November's 77.9°F (25.5°C). Weather in December »Updated: Jul 13, 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
January brings the lowest temperatures, with an average high of 72.7°F (22.6°C) and an average low of 68.5°F (20.3°C).
In Summerland Key, during the entire year, the rain falls for 171.1 days and collects up to 21.54" (547mm) of precipitation.
January is the month with the lowest UV index, with an average maximum UV index of 5.
The most humid month is February, with an average relative humidity of 78%.
The month with the least rainfall is March, when the rain falls for 9.4 days and typically collects 0.43" (11mm) of precipitation.
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.
April through October, with an average maximum UV index of 7, are months with the highest UV index.
With an average of 13h and 36min of daylight, June has the longest days of the year.
The months with the lowest humidity are July through September, with an average relative humidity of 74%.
The month with the most sunshine is July, with an average of 11.1h of sunshine.
Summerland Key experiences its average highest temperatures in August, reaching a peak of 85.3°F (29.6°C) and a minimum of 83.1°F (28.4°C).
September is the month with the most rainfall. Rain falls for 20.8 days and accumulates 3.54" (90mm) of precipitation.
With an average of 10h and 36min of daylight, December has the shortest days of the year.
With an average of 6.5h of sunshine, December has the least sunshine of the year.
Average temperature
Summerland Key, FL
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is January (72.7°F).
The month with the highest average low temperature is August (83.1°F).
The coldest month (with the lowest average low temperature) is January (68.5°F).
Average pressure
Summerland Key, FL
- Average pressure in January:
30.09"Hg - Average pressure in February:
30.08"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
29.93"Hg - Average pressure in October:
29.93"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are September and October (29.93"Hg).
Average wind speed
Summerland Key, FL
- Average wind speed in January:
14.3mph - Average wind speed in February:
13.4mph - Average wind speed in March:
13.9mph - Average wind speed in April:
13mph - Average wind speed in May:
12.2mph - Average wind speed in June:
10.1mph
- Average wind speed in July:
9.4mph - Average wind speed in August:
10mph - Average wind speed in September:
10.1mph - Average wind speed in October:
13.7mph - Average wind speed in November:
14.4mph - Average wind speed in December:
13.8mph
The windiest month (with the highest average wind speed) is November (14.4mph).
The calmest month (with the lowest average wind speed) is July (9.4mph).
Average humidity
Summerland Key, FL
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are July, August and September (74%).
Average rainfall
Summerland Key, FL
- Average rainfall in January:
0.94" - Average rainfall in February:
0.71" - Average rainfall in March:
0.43" - Average rainfall in April:
1.14" - Average rainfall in May:
2.28" - Average rainfall in June:
2.52"
- Average rainfall in July:
2.52" - Average rainfall in August:
2.6" - Average rainfall in September:
3.54" - Average rainfall in October:
2.95" - Average rainfall in November:
1.02" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is September (3.54").
The driest month (with the least rainfall) is March (0.43").
Average rainfall days
Summerland Key, FL
- Average rainfall days in January:
10.2 days - Average rainfall days in February:
9.7 days - Average rainfall days in March:
9.4 days - Average rainfall days in April:
12 days - Average rainfall days in May:
13.5 days - Average rainfall days in June:
17.4 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
18.6 days - Average rainfall days in September:
20.8 days - Average rainfall days in October:
18 days - Average rainfall days in November:
11.8 days - Average rainfall days in December:
11.4 days
The month with the highest number of rainy days is September (20.8 days).
The month with the least rainy days is March (9.4 days).
Average daylight / Average sunshine
Summerland Key, FL
- Average daylight in January:
10h and 48min - Average daylight in February:
11h and 18min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 18min - Average daylight in June:
13h and 36min
- Average daylight in July:
13h and 30min - Average daylight in August:
13h and 0min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 0min - Average daylight in December:
10h and 36min
The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in January:
7h and 12min - Average sunshine in February:
8h and 48min - Average sunshine in March:
8h and 54min - Average sunshine in April:
9h and 42min - Average sunshine in May:
11h and 0min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
7h and 24min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days
Summerland Key, FL
- Average sunshine days in January:
17 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
19.6 days - Average sunshine days in April:
15.7 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
9.9 days - Average sunshine days in August:
10.8 days - Average sunshine days in September:
6.2 days - Average sunshine days in October:
10.8 days - Average sunshine days in November:
15.5 days - Average sunshine days in December:
15.5 days
The month with the most sunshine days is March (19.6 days).
The month with the least sunshine days is September (6.2 days).
Average UV index
Summerland Key, FL
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover
Summerland Key, FL
The month with the most cloud cover is January (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 23).
Average visibility
Summerland Key, 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).
