Climate, temperatures and weather in Key Biscayne


The best time to go to Key Biscayne

Temperatures are Pleasant all year round! Average temperatures range from 172°F (january) to 195°F (july). Sea temperature ranges from 163°F to 186°F. The rainiest months are: august, september and june. We recommende the month of january, february, march, april, november, december, to visit Key Biscayne.

JanFebMarchAprilMayJuneJulAugustSeptOctNovDec
OUR OPINION  unfavorable timeunfavorable timeunfavorable timerecommended timebest timebest timerecommended timeunfavorable time
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Temperatures Key Biscayne

Jan Feb March April May June Jul August Sept Oct nov. dec.
Min temperature60°60°64°68°71°75°77°77°77°73°68°62°
Max temperature78°78°82°84°87°89°91°91°89°86°82°78°
Sea temperature73°73°75°78°80°84°86°86°86°82°78°77°

Sunshine

Rainfall

Wind

Weather Key Biscayne

légende météo

Check the weather history over the last 5 years. Weather history

The weather month by month in Key Biscayne

Weather Key Biscayne in January

60 to 78°
Sea: 73 °

11 d/month
6 d/month
5 d/month
5 d/month
2 d/month
2 d/month

In January, in Key Biscayne, Minimum temperatures vary between 16 in the morning and 26 in the afternoon. Temperatures are hot. The average rainfall is around 43 inches, for 24 days without rain.

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Weather history day by day

Weather Key Biscayne in February

60 to 78°
Sea: 73 °

13 d/month
5 d/month
3 d/month
3 d/month
2 d/month
2 d/month

In February, in Key Biscayne, Minimum temperatures vary between 16 in the morning and 26 in the afternoon. Temperatures are hot. The average rainfall is around 53 inches, for 26 days without rain.

Check the weather over the last 5 years for the dates of your stay
Weather history day by day

Weather Key Biscayne in March

64 to 82°
Sea: 75 °

14 d/month
5 d/month
4 d/month
4 d/month
2 d/month
2 d/month

In March, in Key Biscayne, Minimum temperatures vary between 18 in the morning and 28 in the afternoon. Temperatures are hot. The average rainfall is around 66 inches, for 25 days without rain.

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Weather history day by day

Weather Key Biscayne in April

68 to 84°
Sea: 78 °

14 d/month
5 d/month
4 d/month
3 d/month
2 d/month
2 d/month

In April, in Key Biscayne, Minimum temperatures vary between 20 in the morning and 29 in the afternoon. Temperatures are hot. The average rainfall is around 82 inches, for 24 days without rain.

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Weather history day by day

Weather Key Biscayne in May

71 to 87°
Sea: 80 °

15 d/month
7 d/month
4 d/month
3 d/month
1 day
1 day

In May, in Key Biscayne, Minimum temperatures vary between 22 in the morning and 31 in the afternoon. Températures are really hot. The average rainfall is around 130 inches, for 21 days without rain.

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Weather history day by day

Weather Key Biscayne in June

75 to 89°
Sea: 84 °

11 d/month
10 d/month
4 d/month
4 d/month
1 day

In June, in Key Biscayne, Minimum temperatures vary between 24 in the morning and 32 in the afternoon. Températures are really hot. The average rainfall is around 264 inches, for 17 days without rain.

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Weather history day by day

Weather Key Biscayne in July

77 to 91°
Sea: 86 °

11 d/month
10 d/month
4 d/month
4 d/month
1 day
1 day

In July, in Key Biscayne, Minimum temperatures vary between 25 in the morning and 33 in the afternoon. Températures are really hot. The average rainfall is around 161 inches, for 17 days without rain.

Check the weather over the last 5 years for the dates of your stay
Weather history day by day

Weather Key Biscayne in August

77 to 91°
Sea: 86 °

10 d/month
9 d/month
6 d/month
4 d/month
1 day
1 day

In August, in Key Biscayne, Minimum temperatures vary between 25 in the morning and 33 in the afternoon. Températures are really hot. The average rainfall is around 241 inches, for 16 days without rain.

Check the weather over the last 5 years for the dates of your stay
Weather history day by day

Weather Key Biscayne in September

77 to 89°
Sea: 86 °

9 d/month
8 d/month
7 d/month
3 d/month
2 d/month
1 day

In September, in Key Biscayne, Minimum temperatures vary between 25 in the morning and 32 in the afternoon. Températures are really hot. The average rainfall is around 261 inches, for 14 days without rain.

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Weather history day by day

Weather Key Biscayne in October

73 to 86°
Sea: 82 °

11 d/month
7 d/month
5 d/month
4 d/month
2 d/month
2 d/month

In October, in Key Biscayne, Minimum temperatures vary between 23 in the morning and 30 in the afternoon. The average rainfall is around 202 inches, for 20 days without rain.

Check the weather over the last 5 years for the dates of your stay
Weather history day by day

Weather Key Biscayne in November

68 to 82°
Sea: 78 °

7 d/month
7 d/month
7 d/month
4 d/month
3 d/month
2 d/month

In November, in Key Biscayne, Minimum temperatures vary between 20 in the morning and 28 in the afternoon. Temperatures are hot. The average rainfall is around 98 inches, for 21 days without rain.

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Weather history day by day

Weather Key Biscayne in December

62 to 78°
Sea: 77 °

10 d/month
6 d/month
6 d/month
5 d/month
3 d/month
1 day

In December, in Key Biscayne, Minimum temperatures vary between 17 in the morning and 26 in the afternoon. Temperatures are hot. The average rainfall is around 54 inches, for 23 days without rain.

Check the weather over the last 5 years for the dates of your stay
Weather history day by day