Duck Key climate guide

Temperature in Duck Key (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
24°C maximum daytime temperature in January in Duck Key24
25°C maximum daytime temperature in February in Duck Key25
26°C maximum daytime temperature in March in Duck Key26
28°C maximum daytime temperature in April in Duck Key28
30°C maximum daytime temperature in May in Duck Key30
31°C maximum daytime temperature in June in Duck Key31
32°C maximum daytime temperature in July in Duck Key32
32°C maximum daytime temperature in August in Duck Key32
32°C maximum daytime temperature in September in Duck Key32
30°C maximum daytime temperature in October in Duck Key30
27°C maximum daytime temperature in November in Duck Key27
25°C maximum daytime temperature in December in Duck Key25
Min temperature (night-time)
14°C minimum night-time temperature in January in Duck Key14
14°C minimum night-time temperature in February in Duck Key14
16°C minimum night-time temperature in March in Duck Key16
18°C minimum night-time temperature in April in Duck Key18
21°C minimum night-time temperature in May in Duck Key21
23°C minimum night-time temperature in June in Duck Key23
23°C minimum night-time temperature in July in Duck Key23
23°C minimum night-time temperature in August in Duck Key23
23°C minimum night-time temperature in September in Duck Key23
21°C minimum night-time temperature in October in Duck Key21
18°C minimum night-time temperature in November in Duck Key18
15°C minimum night-time temperature in December in Duck Key15
Sea temperature
23°C sea temperature in January in Duck Key23
23°C sea temperature in February in Duck Key23
24°C sea temperature in March in Duck Key24
25°C sea temperature in April in Duck Key25
27°C sea temperature in May in Duck Key27
29°C sea temperature in June in Duck Key29
30°C sea temperature in July in Duck Key30
30°C sea temperature in August in Duck Key30
29°C sea temperature in September in Duck Key29
28°C sea temperature in October in Duck Key28
25°C sea temperature in November in Duck Key25
24°C sea temperature in December in Duck Key24

Sunshine & Daylight in Duck Key

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
11 hours of daylight per day in January in Duck Key11
11 hours of daylight per day in February in Duck Key11
12 hours of daylight per day in March in Duck Key12
13 hours of daylight per day in April in Duck Key13
13 hours of daylight per day in May in Duck Key13
14 hours of daylight per day in June in Duck Key14
13 hours of daylight per day in July in Duck Key13
13 hours of daylight per day in August in Duck Key13
12 hours of daylight per day in September in Duck Key12
12 hours of daylight per day in October in Duck Key12
11 hours of daylight per day in November in Duck Key11
11 hours of daylight per day in December in Duck Key11

Rainfall in Duck Key

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
6 days with some rainfall in January in Duck Key6
6 days with some rainfall in February in Duck Key6
5 days with some rainfall in March in Duck Key5
4 days with some rainfall in April in Duck Key4
9 days with some rainfall in May in Duck Key9
13 days with some rainfall in June in Duck Key13
13 days with some rainfall in July in Duck Key13
15 days with some rainfall in August in Duck Key15
16 days with some rainfall in September in Duck Key16
11 days with some rainfall in October in Duck Key11
7 days with some rainfall in November in Duck Key7
6 days with some rainfall in December in Duck Key6
Average monthly rainfall (mm)
46 mm monthly rainfall in January in Duck Key46
48 mm monthly rainfall in February in Duck Key48
50 mm monthly rainfall in March in Duck Key50
60 mm monthly rainfall in April in Duck Key60
145 mm monthly rainfall in May in Duck Key145
236 mm monthly rainfall in June in Duck Key236
162 mm monthly rainfall in July in Duck Key162
177 mm monthly rainfall in August in Duck Key177
210 mm monthly rainfall in September in Duck Key210
150 mm monthly rainfall in October in Duck Key150
49 mm monthly rainfall in November in Duck Key49
37 mm monthly rainfall in December in Duck Key37

More climate for Duck Key

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 6 (High) in January in Duck Key6
UV (maximum) index 8 (Very High) in February in Duck Key8
UV (maximum) index 10 (Very High) in March in Duck Key10
UV (maximum) index 11 (Extreme) in April in Duck Key11
UV (maximum) index 11 (Extreme) in May in Duck Key11
UV (maximum) index 11 (Extreme) in June in Duck Key11
UV (maximum) index 11 (Extreme) in July in Duck Key11
UV (maximum) index 11 (Extreme) in August in Duck Key11
UV (maximum) index 10 (Very High) in September in Duck Key10
UV (maximum) index 9 (Very High) in October in Duck Key9
UV (maximum) index 7 (High) in November in Duck Key7
UV (maximum) index 6 (High) in December in Duck Key6
Heat & Humidity
No heat & humidity in January in Duck Key0
Low heat & humidity in February in Duck KeyL
Low heat & humidity in March in Duck KeyL
Moderate heat & humidity in April in Duck KeyM
High heat & humidity in May in Duck KeyH
High heat & humidity in June in Duck KeyH
Very high heat & humidity in July in Duck KeyVH
Very high heat & humidity in August in Duck KeyVH
Very high heat & humidity in September in Duck KeyVH
High heat & humidity in October in Duck KeyH
Moderate heat & humidity in November in Duck KeyM
Low heat & humidity in December in Duck KeyL

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

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The climate guide for Duck Key, Florida shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

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Metric (°C / mm)  |  Imperial (°F / inches)

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