Monthly weather forecast and climate
Jefferson, AL

Weather in January

January, the same as December, is another fresh winter month in Jefferson, Alabama, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 38.3°F (3.5°C). With an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 38.3°F (3.5°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a moderate month in Jefferson, Alabama, with average temperature fluctuating between 59.5°F (15.3°C) and 42.6°F (5.9°C). In February, the average high-temperature slightly increases, from a fresh 54.1°F (12.3°C) in January, to a moderate 59.5°F (15.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Jefferson, Alabama, with average temperature varying between 67.3°F (19.6°C) and 48.7°F (9.3°C). In March, the average high-temperature slightly increases, from a mild 59.5°F (15.3°C) in February, to an enjoyable 67.3°F (19.6°C). Weather in March »

Weather in April

April is a moderately hot spring month in Jefferson, Alabama, with average temperature varying between 76.6°F (24.8°C) and 54.9°F (12.7°C). In April, the average high-temperature rises, from an enjoyable 67.3°F (19.6°C) in March, to a moderately hot 76.6°F (24.8°C). Weather in April »

Weather in May

The last month of the spring, May, is another warm month in Jefferson, Alabama, with average temperature fluctuating between 84°F (28.9°C) and 62.4°F (16.9°C). In Jefferson, the average high-temperature marginally rises, from 76.6°F (24.8°C) in April, to a still warm 84°F (28.9°C). Weather in May »

Weather in June

June, the first month of the summer, in Jefferson, is a tropical month, with temperature in the range of an average high of 91.2°F (32.9°C) and an average low of 70°F (21.1°C). In Jefferson, the average high-temperature marginally rises, from a warm 84°F (28.9°C) in May, to a tropical 91.2°F (32.9°C). Weather in June »

Weather in July

July, the same as June, in Jefferson, Alabama, is another tropical summer month, with average temperature fluctuating between 92.8°F (33.8°C) and 72.7°F (22.6°C). With an average high-temperature of 92.8°F (33.8°C) and an average low-temperature of 72.7°F (22.6°C), July is the warmest month. In July, the average heat index is estimated at a blazing hot 117.7°F (47.6°C). Weather in July »

Weather in August

The last month of the summer, August, is also a hot month in Jefferson, Alabama, with average temperature fluctuating between 92.1°F (33.4°C) and 72.3°F (22.4°C). In August, the average high-temperature is relatively the same as in July - a still tropical 92.1°F (33.4°C). Weather in August »

Weather in September

September, the first month of the autumn, in Jefferson, is also a hot month, with average temperature ranging between min 67.1°F (19.5°C) and max 87.6°F (30.9°C). In Jefferson, the average high-temperature in September is practically the same as in August - a still tropical 87.6°F (30.9°C). Weather in September »

Weather in October

October, like September, in Jefferson, Alabama, is another warm autumn month, with average temperature ranging between max 77.2°F (25.1°C) and min 56.3°F (13.5°C). In Jefferson, the average high-temperature in October drops, from a tropical 87.6°F (30.9°C) in September, to a warm 77.2°F (25.1°C). Weather in October »

Weather in November

November, the last month of the autumn, in Jefferson, is another comfortable month, with average temperature fluctuating between 64.9°F (18.3°C) and 46.2°F (7.9°C). In November, the average high-temperature drops, from a warm 77.2°F (25.1°C) in October, to a comfortable 64.9°F (18.3°C). Weather in November »

Weather in December

December, the first month of the winter, in Jefferson, is still a mild month, with average temperature fluctuating between 42.6°F (5.9°C) and 57.6°F (14.2°C). In December, the average high-temperature marginally drops, from a comfortable 64.9°F (18.3°C) in November, to a mild 57.6°F (14.2°C). Weather in December »
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FAQ

What is the coldest month in Jefferson?

The coldest month is January, with an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 38.3°F (3.5°C).

How many days does it rain in Jefferson?

In Jefferson, Alabama, during the entire year, the rain falls for 153.9 days and collects up to 33.23" (844mm) of precipitation.

When does it snow in Jefferson?

Months with snowfall are January, February, November and December.

How much does it snow in Jefferson?

Throughout the year, there are 2.1 snowfall days, and 1.02" (26mm) of snow is accumulated.

When does it snow the most in Jefferson?

The month with the most snowfall in Jefferson is January when snow falls for 0.9 days and typically aggregates up to 0.43" (11mm) of snow.

What are the months with the lowest UV index in Jefferson?

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Jefferson.

What is the month with the least sunshine in Jefferson?

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

When it does not snow in Jefferson?

March through October are months without snowfall in Jefferson, Alabama.

What is the wettest month in Jefferson?

The wettest months in Jefferson, Alabama, are April and December, with an average 3.74" (95mm) of rainfall.

When are the longest days in Jefferson?

The month with the longest days is June, with an average of 14.3h of daylight.

What month has the most sunshine in Jefferson?

June has the most sunshine of the year, with an average of 10.5h of sunshine.

What are the months with the highest UV index in Jefferson?

Months with the highest UV index are June through August, with an average maximum UV index of 7.

What is the warmest month in Jefferson?

July is the warmest month in Jefferson, Alabama, with an average high-temperature of 92.8°F (33.8°C) and an average low-temperature of 72.7°F (22.6°C).

What is the driest month in Jefferson?

September is the month with the least rainfall in Jefferson, Alabama. Rain falls for 11 days and accumulates 1.65" (42mm) of precipitation.

What is the least humid month in Jefferson?

With an average relative humidity of 69%, October is the least humid month.

What is the most humid month in Jefferson?

With an average relative humidity of 80%, December is the most humid month in Jefferson.

What is the month with the shortest days in Jefferson?

December has the shortest days of the year in Jefferson, Alabama, with an average of 10.1h of daylight.

Average temperature
Jefferson, AL

Average temperature - Jefferson, AL

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (54.1°F).

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (38.3°F).

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Average pressure
Jefferson, AL

Average pressure - Jefferson, AL

The month with the highest atmospheric pressure is January (30.17").
Months with the lowest atmospheric pressure are June and August (29.97").

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Average wind speed
Jefferson, AL

Average wind speed - Jefferson, AL

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average rainfall
Jefferson, AL

Average rainfall - Jefferson, AL

The wettest months (with the highest rainfall) are April and December (3.74").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days
Jefferson, AL

Average rainfall days - Jefferson, AL

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is October (8.3 days).

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Average snowfall
Jefferson, AL

Average snowfall - Jefferson, AL

The month with the highest snowfall is January (0.43").
Months with the least snowfall are March, April, May, June, July, August, September and October (0").

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Average snowfall days
Jefferson, AL

Average snowfall days - Jefferson, AL

The month with the highest number of snowfall days is January (0.9 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Jefferson, AL

Average daylight / Average sunshine - Jefferson, AL

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

The month with the most sunshine is June (Average sunshine: 10.5h).
Months with the least sunshine are February and December (Average sunshine: 4.8).

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Average sunshine days
Jefferson, AL

Average sunshine days - Jefferson, AL

The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (10.4 days).

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Average visibility
Jefferson, AL

Average visibility - Jefferson, AL

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

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