Climate and monthly weather forecastCudjoe Key, FL
Climate and monthly weather forecast
Weather in January
January, like December, is an agreeable winter month in Cudjoe Key, Florida, with an average temperature ranging between min 68.5°F (20.3°C) and max 72.7°F (22.6°C). 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). Weather in January »Weather in February
The last month of the winter, February, is another pleasant month in Cudjoe Key, Florida, with an average temperature ranging between min 70°F (21.1°C) and max 73.2°F (22.9°C). Cudjoe Key starts February with an average high-temperature of a still pleasant 73.2°F (22.9°C), a minor shift from January's 72.7°F (22.6°C). Weather in February »Weather in March
March, the first month of the spring in Cudjoe Key, is a warm month, with an average temperature fluctuating between 70.5°F (21.4°C) and 73.9°F (23.3°C). The beginning of March records an average high-temperature of a moderately hot 73.9°F (23.3°C), almost echoing the conditions of the previous month. Weather in March »Weather in April
April, the same as March, is a moderately hot spring month in Cudjoe Key, Florida, with an average temperature varying between 75.2°F (24°C) and 77.4°F (25.2°C). The advent of April observes an average high-temperature of a still warm 77.4°F (25.2°C), nearly identical to March's 73.9°F (23.3°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Cudjoe Key, Florida, with temperature in the range of an average high of 80.2°F (26.8°C) and an average low of 78.3°F (25.7°C). Cudjoe Key's weather in May displays an average high-temperature of a still warm 80.2°F (26.8°C), showing minor disparity from April's 77.4°F (25.2°C). Weather in May »Weather in June
June, the first month of the summer in Cudjoe Key, is still a warm month, with an average temperature varying between 83.3°F (28.5°C) and 81.5°F (27.5°C). June's advent notes a subtle adjustment in average high-temperature to a still warm 83.3°F (28.5°C) from May. Weather in June »Weather in July
July, the same as June, is another warm summer month in Cudjoe Key, Florida, with an average temperature varying between 82.9°F (28.3°C) and 84.6°F (29.2°C). With the transition into July, Cudjoe Key notes an average high-temperature of a still warm 84.6°F (29.2°C), closely resembling June. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Cudjoe Key, Florida, with an average temperature varying between 85.3°F (29.6°C) and 83.1°F (28.4°C). August, characterized by an average high temperature of 85.3°F (29.6°C) and a low temperature of 83.1°F (28.4°C), is generally the warmest month. The heat index value during August is calculated to be a very hot 95°F (35°C). Weather in August »Weather in September
September, the first month of the autumn in Cudjoe Key, is also a moderately hot month, with temperature in the range of an average low of 82.2°F (27.9°C) and an average high of 84.4°F (29.1°C). As August turns into September, the average high-temperatures rest at a still moderately hot 84.4°F (29.1°C), showing a minor variation from the prior month. Weather in September »Weather in October
October, like September, in Cudjoe 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 transition from September to October sees average high-temperatures adjusting to a still moderately hot 82°F (27.8°C), from a not significantly different 84.4°F (29.1°C). Weather in October »Weather in November
November, the last month of the autumn in Cudjoe Key, is another warm month, with an average temperature ranging between max 77.9°F (25.5°C) and min 74.8°F (23.8°C). Cudjoe Key transitions into November recording an average high-temperature of a still warm 77.9°F (25.5°C), closely aligning with the preceding month's temperature. Weather in November »Weather in December
December, the first month of the winter in Cudjoe Key, is also a moderately hot month, with an average temperature fluctuating between 72.3°F (22.4°C) and 75.2°F (24°C). Cudjoe Key indicates an average high-temperature of a still moderately hot 75.2°F (24°C) in December, showing minor variation from November's 77.9°F (25.5°C). Weather in December »Updated: Jul 18, 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
The coldest period tends to be January, when average temperatures fluctuate between a high of 72.7°F (22.6°C) and a low of 68.5°F (20.3°C).
In Cudjoe Key, during the entire year, the rain falls for 171.1 days and collects up to 21.54" (547mm) of precipitation.
With an average maximum UV index of 5, January is the month with the lowest UV index.
February is the most humid month, with an average relative humidity of 78%.
The month with the coldest seawater is February, with an average ocean temperature of 72.1°F (22.3°C).
March is the month with the least rainfall. Rain falls for 9.4 days and accumulates 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 in Cudjoe Key.
July through September, with an average relative humidity of 74%, are the least humid months.
The month with the most sunshine is July, with an average of 11.1h of sunshine.
In Cudjoe Key, August records the average highest temperatures, peaking at 85.3°F (29.6°C) and reaching a low of 83.1°F (28.4°C).
The month with the warmest seawater is August, with an average ocean temperature of 86.7°F (30.4°C).
September is the month with the most rainfall. Rain falls for 20.8 days and accumulates 3.54" (90mm) of precipitation.
December has the shortest days of the year, with an average of 10h and 36min of daylight.
The month with the least sunshine is December, with an average of 6.5h of sunshine.
Average temperature
Cudjoe 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
Cudjoe 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
Cudjoe 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
Cudjoe 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
Cudjoe 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
Cudjoe 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 sea temperature
Cudjoe Key, FL
The best month for swimming (with the highest average sea temperature) is August (86.8°F).
The coldest month (with the lowest average sea temperature) is February (72.1°F).
Average daylight / Average sunshine
Cudjoe 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
Cudjoe 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
Cudjoe 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
Cudjoe 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
Cudjoe 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).
