Monthly weather forecast and climate
Key, AL

Weather in January

January, the same as December, in Key, Alabama, is a frosty winter month, with average temperature varying between 48.9°F (9.4°C) and 33.4°F (0.8°C). With an average high-temperature of 48.9°F (9.4°C) and an average low-temperature of 33.4°F (0.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a fresh month in Key, Alabama, with average temperature fluctuating between 37.2°F (2.9°C) and 54.1°F (12.3°C). In Key, the average high-temperature in February is relatively the same as in January - a fresh 54.1°F (12.3°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Key, Alabama, with average temperature fluctuating between 43.7°F (6.5°C) and 61.7°F (16.5°C). In Key, the average high-temperature in March marginally rises, from a cool 54.1°F (12.3°C) in February, to an enjoyable 61.7°F (16.5°C). Weather in March »

Weather in April

April is an agreeable spring month in Key, Alabama, with average temperature ranging between min 51.6°F (10.9°C) and max 71.8°F (22.1°C). In April, the average high-temperature rises, from a comfortable 61.7°F (16.5°C) in March, to an agreeable 71.8°F (22.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Key, Alabama, with average temperature fluctuating between 79.3°F (26.3°C) and 58.6°F (14.8°C). In Key, Alabama, the average high-temperature marginally rises, from a pleasant 71.8°F (22.1°C) in April, to a warm 79.3°F (26.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Key, is a hot month, with average temperature fluctuating between 86.5°F (30.3°C) and 65.8°F (18.8°C). In Key, the average high-temperature in June marginally rises, from a warm 79.3°F (26.3°C) in May, to a hot 86.5°F (30.3°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Key, Alabama, with average temperature ranging between min 68.5°F (20.3°C) and max 88.7°F (31.5°C). With an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 68.5°F (20.3°C), July is the warmest month. In July, the average heat index is estimated at an extremely hot 105.3°F (40.7°C). Weather in July »

Weather in August

August, the last month of the summer, in Key, is also a hot month, with average temperature fluctuating between 68°F (20°C) and 87.6°F (30.9°C). In Key, the average high-temperature is essentially the same as in July - a still tropical 87.6°F (30.9°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Key, Alabama, with average temperature ranging between max 82.9°F (28.3°C) and min 62.6°F (17°C). In Key, the average high-temperature is almost the same as in August - a warm 82.9°F (28.3°C). Weather in September »

Weather in October

October, the same as September, in Key, Alabama, is an agreeable autumn month, with average temperature ranging between max 72.5°F (22.5°C) and min 52°F (11.1°C). In Key, Alabama, the average high-temperature drops, from a moderately hot 82.9°F (28.3°C) in September, to an agreeable 72.5°F (22.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Key, Alabama, with average temperature ranging between max 60.3°F (15.7°C) and min 41.9°F (5.5°C). In Key, the average high-temperature drops, from an agreeable 72.5°F (22.5°C) in October, to a mild 60.3°F (15.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Key, Alabama, with average temperature ranging between min 38.3°F (3.5°C) and max 52.5°F (11.4°C). In Key, Alabama, the average high-temperature in December slightly decreases, from a mild 60.3°F (15.7°C) in November, to a fresh 52.5°F (11.4°C). Weather in December »
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FAQ

What is the coldest month in Key?

January is the coldest month, with an average high-temperature of 48.9°F (9.4°C) and an average low-temperature of 33.4°F (0.8°C).

How many days does it rain in Key?

Throughout the year, there are 181.2 rainfall days, and 41.06" (1043mm) of precipitation is accumulated.

When does it snow in Key?

January through March, November and December are months with snowfall in Key.

How many days does it snow in Key?

In Key, during the entire year, snow falls for 4.5 days, and aggregates up to 2.05" (52mm) of snow.

When does it snow the most in Key?

January is the month with the most snowfall in Key, Alabama. Snow falls for 1.3 days and accumulates 0.79" (20mm) of snow.

What is the month with the lowest UV index in Key?

Months with the lowest UV index in Key, Alabama, are January and December, with an average maximum UV index of 2.

What is the rainiest month in Key?

Months with the most rainfall in Key, Alabama, are February and December, with an average 4.06" (103mm) of precipitation.

What is the month with the least sunshine in Key?

With an average of 4.8h of sunshine, February has the least sunshine of the year in Key.

When it does not snow in Key?

April through October are months without snowfall.

What is the month with the highest UV index in Key?

Months with the highest UV index are May through August, with an average maximum UV index of 6.

When are the longest days in Key?

June has the longest days of the year in Key, with an average of 14.4h of daylight.

What are the months with the most sunshine in Key?

Months with the most sunshine in Key are June and July, with an average of 10.6h of sunshine.

What is the warmest month in Key?

The warmest month in Key, Alabama, is July, with an average high-temperature of 88.7°F (31.5°C) and an average low-temperature of 68.5°F (20.3°C).

What is the least humid month in Key?

October is the least humid month, with an average relative humidity of 74%.

What is the driest month in Key?

The month with the least rainfall in Key is October when the rain falls for 10.7 days and typically collects 2.56" (65mm) of precipitation.

What is the most humid month in Key?

December is the most humid month, with an average relative humidity of 80%.

What is the month with the shortest days in Key?

December has the shortest days of the year in Key, Alabama, with an average of 9.9h of daylight.

Average pressure
Key, AL

Average pressure - Key, AL

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.98").

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Average wind speed
Key, AL

Average wind speed - Key, AL

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average rainfall
Key, AL

Average rainfall - Key, AL

The wettest months (with the highest rainfall) are February and December (4.06").
The driest month (with the least rainfall) is October (2.56").

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Average rainfall days
Key, AL

Average rainfall days - Key, AL

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (9.8 days).

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Average snowfall
Key, AL

Average snowfall - Key, AL

The month with the highest snowfall is January (0.79").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Key, AL

Average snowfall days - Key, AL

The month with the highest number of snowfall days is February (1.4 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Key, AL

Average daylight / Average sunshine - Key, AL

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days
Key, AL

Average sunshine days - Key, AL

The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (8 days).

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Average visibility
Key, AL

Average visibility - Key, AL

Months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January and December (5mi).

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