Sanibel Island climate guide

Temperature in Sanibel Island (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
23°C maximum daytime temperature in January in Sanibel Island23
24°C maximum daytime temperature in February in Sanibel Island24
26°C maximum daytime temperature in March in Sanibel Island26
29°C maximum daytime temperature in April in Sanibel Island29
31°C maximum daytime temperature in May in Sanibel Island31
32°C maximum daytime temperature in June in Sanibel Island32
33°C maximum daytime temperature in July in Sanibel Island33
33°C maximum daytime temperature in August in Sanibel Island33
32°C maximum daytime temperature in September in Sanibel Island32
30°C maximum daytime temperature in October in Sanibel Island30
27°C maximum daytime temperature in November in Sanibel Island27
24°C maximum daytime temperature in December in Sanibel Island24
Min temperature (night-time)
12°C minimum night-time temperature in January in Sanibel Island12
12°C minimum night-time temperature in February in Sanibel Island12
15°C minimum night-time temperature in March in Sanibel Island15
17°C minimum night-time temperature in April in Sanibel Island17
20°C minimum night-time temperature in May in Sanibel Island20
23°C minimum night-time temperature in June in Sanibel Island23
24°C minimum night-time temperature in July in Sanibel Island24
24°C minimum night-time temperature in August in Sanibel Island24
23°C minimum night-time temperature in September in Sanibel Island23
20°C minimum night-time temperature in October in Sanibel Island20
16°C minimum night-time temperature in November in Sanibel Island16
13°C minimum night-time temperature in December in Sanibel Island13
Sea temperature
20°C sea temperature in January in Sanibel Island20
20°C sea temperature in February in Sanibel Island20
21°C sea temperature in March in Sanibel Island21
23°C sea temperature in April in Sanibel Island23
26°C sea temperature in May in Sanibel Island26
29°C sea temperature in June in Sanibel Island29
30°C sea temperature in July in Sanibel Island30
30°C sea temperature in August in Sanibel Island30
29°C sea temperature in September in Sanibel Island29
27°C sea temperature in October in Sanibel Island27
24°C sea temperature in November in Sanibel Island24
22°C sea temperature in December in Sanibel Island22

Sunshine & Daylight in Sanibel Island

  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 Sanibel Island11
11 hours of daylight per day in February in Sanibel Island11
12 hours of daylight per day in March in Sanibel Island12
13 hours of daylight per day in April in Sanibel Island13
13 hours of daylight per day in May in Sanibel Island13
14 hours of daylight per day in June in Sanibel Island14
14 hours of daylight per day in July in Sanibel Island14
13 hours of daylight per day in August in Sanibel Island13
12 hours of daylight per day in September in Sanibel Island12
12 hours of daylight per day in October in Sanibel Island12
11 hours of daylight per day in November in Sanibel Island11
11 hours of daylight per day in December in Sanibel Island11

Rainfall in Sanibel Island

  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 Sanibel Island6
6 days with some rainfall in February in Sanibel Island6
6 days with some rainfall in March in Sanibel Island6
4 days with some rainfall in April in Sanibel Island4
8 days with some rainfall in May in Sanibel Island8
13 days with some rainfall in June in Sanibel Island13
14 days with some rainfall in July in Sanibel Island14
16 days with some rainfall in August in Sanibel Island16
14 days with some rainfall in September in Sanibel Island14
9 days with some rainfall in October in Sanibel Island9
6 days with some rainfall in November in Sanibel Island6
6 days with some rainfall in December in Sanibel Island6
Average monthly rainfall (mm)
50 mm monthly rainfall in January in Sanibel Island50
59 mm monthly rainfall in February in Sanibel Island59
74 mm monthly rainfall in March in Sanibel Island74
36 mm monthly rainfall in April in Sanibel Island36
93 mm monthly rainfall in May in Sanibel Island93
225 mm monthly rainfall in June in Sanibel Island225
210 mm monthly rainfall in July in Sanibel Island210
223 mm monthly rainfall in August in Sanibel Island223
198 mm monthly rainfall in September in Sanibel Island198
85 mm monthly rainfall in October in Sanibel Island85
39 mm monthly rainfall in November in Sanibel Island39
43 mm monthly rainfall in December in Sanibel Island43

More climate for Sanibel Island

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (Maximum)
UV (maximum) index 5 (Moderate) in January in Sanibel Island5
UV (maximum) index 7 (High) in February in Sanibel Island7
UV (maximum) index 9 (Very High) in March in Sanibel Island9
UV (maximum) index 11 (Extreme) in April in Sanibel Island11
UV (maximum) index 11 (Extreme) in May in Sanibel Island11
UV (maximum) index 11 (Extreme) in June in Sanibel Island11
UV (maximum) index 11 (Extreme) in July in Sanibel Island11
UV (maximum) index 11 (Extreme) in August in Sanibel Island11
UV (maximum) index 10 (Very High) in September in Sanibel Island10
UV (maximum) index 8 (Very High) in October in Sanibel Island8
UV (maximum) index 6 (High) in November in Sanibel Island6
UV (maximum) index 5 (Moderate) in December in Sanibel Island5
Heat & Humidity
No heat & humidity in January in Sanibel Island0
No heat & humidity in February in Sanibel Island0
Low heat & humidity in March in Sanibel IslandL
Moderate heat & humidity in April in Sanibel IslandM
High heat & humidity in May in Sanibel IslandH
Very high heat & humidity in June in Sanibel IslandVH
Very high heat & humidity in July in Sanibel IslandVH
Very high heat & humidity in August in Sanibel IslandVH
Very high heat & humidity in September in Sanibel IslandVH
High heat & humidity in October in Sanibel IslandH
Low heat & humidity in November in Sanibel IslandL
No heat & humidity in December in Sanibel Island0

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

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More about Sanibel Island

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The climate guide for Sanibel Island, 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.

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

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