Sanibel Island weather by month

Check out Sanibel Island weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Sanibel Island (°F)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
73°F maximum daytime temperature in January in Sanibel Island73
75°F maximum daytime temperature in February in Sanibel Island75
79°F maximum daytime temperature in March in Sanibel Island79
84°F maximum daytime temperature in April in Sanibel Island84
88°F maximum daytime temperature in May in Sanibel Island88
90°F maximum daytime temperature in June in Sanibel Island90
91°F maximum daytime temperature in July in Sanibel Island91
91°F maximum daytime temperature in August in Sanibel Island91
90°F maximum daytime temperature in September in Sanibel Island90
86°F maximum daytime temperature in October in Sanibel Island86
81°F maximum daytime temperature in November in Sanibel Island81
75°F maximum daytime temperature in December in Sanibel Island75
Min temperature (night-time)
54°F minimum night-time temperature in January in Sanibel Island54
54°F minimum night-time temperature in February in Sanibel Island54
59°F minimum night-time temperature in March in Sanibel Island59
63°F minimum night-time temperature in April in Sanibel Island63
68°F minimum night-time temperature in May in Sanibel Island68
73°F minimum night-time temperature in June in Sanibel Island73
75°F minimum night-time temperature in July in Sanibel Island75
75°F minimum night-time temperature in August in Sanibel Island75
73°F minimum night-time temperature in September in Sanibel Island73
68°F minimum night-time temperature in October in Sanibel Island68
61°F minimum night-time temperature in November in Sanibel Island61
55°F minimum night-time temperature in December in Sanibel Island55
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
Sea temperature
68°F sea temperature in January in Sanibel Island68
68°F sea temperature in February in Sanibel Island68
70°F sea temperature in March in Sanibel Island70
73°F sea temperature in April in Sanibel Island73
79°F sea temperature in May in Sanibel Island79
84°F sea temperature in June in Sanibel Island84
86°F sea temperature in July in Sanibel Island86
86°F sea temperature in August in Sanibel Island86
84°F sea temperature in September in Sanibel Island84
81°F sea temperature in October in Sanibel Island81
75°F sea temperature in November in Sanibel Island75
72°F sea temperature in December in Sanibel Island72

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

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
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

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 (inches)
2.0 inches monthly rainfall in January in Sanibel Island2.0
2.3 inches monthly rainfall in February in Sanibel Island2.3
2.9 inches monthly rainfall in March in Sanibel Island2.9
1.4 inches monthly rainfall in April in Sanibel Island1.4
3.7 inches monthly rainfall in May in Sanibel Island3.7
8.9 inches monthly rainfall in June in Sanibel Island8.9
8.3 inches monthly rainfall in July in Sanibel Island8.3
8.8 inches monthly rainfall in August in Sanibel Island8.8
7.8 inches monthly rainfall in September in Sanibel Island7.8
3.3 inches monthly rainfall in October in Sanibel Island3.3
1.5 inches monthly rainfall in November in Sanibel Island1.5
1.7 inches monthly rainfall in December in Sanibel Island1.7

More about Sanibel Island

Sanibel Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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The climate guide for Florida (Sanibel Island) 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.

What's the climate like in Sanibel Island?

Sanibel Island has a hot tropical climate with a winter dry season.

Metric (°C)  |  Imperial (°F)

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Compare Sanibel Island with the UK

Below the Sanibel Island chart shows average maximum daytime temperature for Sanibel Island, Florida, USA and the UK (London).

Maximum daytime temperature (°F)

Sanibel Island, Florida, USA
UK (London)
73
45
75
45
79
50
84
55
88
63
90
68
91
72
91
72
90
66
86
59
81
50
75
46
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C)  |  Imperial (°F)

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