Monthly weather forecast and climate
Key Biscayne, FL

The beautiful and dramatic landscape of the Miami Crandon Park in Key Biscayne, Florida, and a far view of the seascape
The beautiful and dramatic landscape of the Miami Crandon Park in Key Biscayne, Florida, and a far view of the seascape
January, like December, in Key Biscayne, Florida, is a warm winter month, with average temperature ranging between min 59.7°F (15.4°C) and max 74.1°F (23.4°C). January is the coldest month, with an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 59.7°F (15.4°C). Weather in January »
The last month of the winter, February, is also a warm month in Key Biscayne, Florida, with average temperature varying between 61.9°F (16.6°C) and 75.6°F (24.2°C). The average high-temperature, is 75.6°F (24.2°C), while the average low-temperature is 61.9°F (16.6°C). Weather in February »

March, the first month of the spring, in Key Biscayne, is still a warm month, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 78.4°F (25.8°C). In March, the average high-temperature is 78.4°F (25.8°C), and the average low-temperature is 64.2°F (17.9°C). Weather in March »

April, the same as March, is another warm spring month in Key Biscayne, Florida, with average temperature ranging between max 80.2°F (26.8°C) and min 68.9°F (20.5°C). The average high-temperature, in April, is 80.2°F (26.8°C), while the average low-temperature is 68.9°F (20.5°C). Weather in April »

May, the last month of the spring, in Key Biscayne, is also a warm month, with average temperature fluctuating between 83.5°F (28.6°C) and 73.8°F (23.2°C). In May, the average high-temperature is 83.5°F (28.6°C), and the average low-temperature is 73.8°F (23.2°C). Weather in May »

The first month of the summer, June, is a hot month in Key Biscayne, Florida, with average temperature varying between 86.7°F (30.4°C) and 77.2°F (25.1°C). The average high-temperature, in June, is 86.7°F (30.4°C), while the average low-temperature is 77.2°F (25.1°C). Weather in June »

July, like June, is a hot summer month in Key Biscayne, Florida, with average temperature fluctuating between 88°F (31.1°C) and 78.1°F (25.6°C). July and August, with an average high-temperature of 88°F (31.1°C), are warmest months. Weather in July »

The last month of the summer, August, is another hot month in Key Biscayne, Florida, with average temperature varying between 88°F (31.1°C) and 78.3°F (25.7°C). July and August, with an average high-temperature of 88°F (31.1°C), are warmest months. Weather in August »

The first month of the autumn, September, is also a hot month in Key Biscayne, Florida, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 77.5°F (25.3°C). In September, the average high-temperature is 87.3°F (30.7°C), and the average low-temperature is 77.5°F (25.3°C). Weather in September »

October, like September, in Key Biscayne, Florida, is another warm autumn month, with average temperature ranging between max 84.4°F (29.1°C) and min 73.4°F (23°C). The average high-temperature, is 84.4°F (29.1°C), while the average low-temperature is 73.4°F (23°C). Weather in October »

The last month of the autumn, November, is also a warm month in Key Biscayne, Florida, with average temperature ranging between min 67.8°F (19.9°C) and max 79.9°F (26.6°C). In Key Biscayne, in November, the average high-temperature is 79.9°F (26.6°C), and the average low-temperature is 67.8°F (19.9°C). Weather in November »

December, the first month of the winter, in Key Biscayne, is still a warm month, with average temperature ranging between min 63.7°F (17.6°C) and max 76.5°F (24.7°C). In Key Biscayne, in December, the average high-temperature is 76.5°F (24.7°C), and the average low-temperature is 63.7°F (17.6°C). Weather in December »

What is the coldest month in Key Biscayne?

The coldest month in Key Biscayne is January, with an average high-temperature of 74.1°F (23.4°C) and an average low-temperature of 59.7°F (15.4°C).

How many days does it rain in Key Biscayne?

In Key Biscayne, Florida, during the entire year, the rain falls for 126.8 days and collects up to 51.6" (1310.3mm) of precipitation.

What is the driest month in Key Biscayne?

January is the month with the least rainfall in Key Biscayne, Florida. Rain falls for 7.3 days and accumulates 1.6" (40.6mm) of precipitation.

What month is the ocean coldest in Key Biscayne?

With an average ocean temperature of 73.9°F (23.3°C), February is the month with the coldest seawater. Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 73.9°F (23.3°C) water may be enjoyable.

When are the longest days in Key Biscayne?

With an average of 13.7h of daylight, June has the longest days of the year in Key Biscayne, Florida.

What are the warmest months in Key Biscayne?

July and August, with an average high-temperature of 88°F (31.1°C), are warmest months in Key Biscayne, Florida.

When is the ocean warmest in Key Biscayne?

With an average ocean temperature of 86.5°F (30.3°C), August is the month with the warmest seawater in Key Biscayne. The surface water temperatures above 86°F (30°C) are arguably considered as unpleasant for swimming, and any intense water activity, as the refreshing effect of water is missing.

What is the wettest month in Key Biscayne?

September is the month with the most rainfall. Rain falls for 16.1 days and accumulates 7.9" (199.9mm) of precipitation.

What is the month with the shortest days in Key Biscayne?

The month with the shortest days in Key Biscayne is December, with an average of 10.6h of daylight.
Average temperature - Key Biscayne, FL
Average rainfall - Key Biscayne, FL
Average rainfall days - Key Biscayne, FL

The month with the highest number of rainy days is September (16.1 days).
The month with the lowest number of rainy days is April (6 days).

Average sea temperature - Key Biscayne, FL

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (74°F).

Average daylight - Key Biscayne, FL

The month with the longest days is June (Average daylight: 13.7h).
The month with shortest days is December (Average daylight: 10.6h).

deutscheenglishespañolрусский中文