Monthly weather forecast and climate
Jefferson, AR

Weather in January

January, like December, in Jefferson, Arkansas, is a cool winter month, with average temperature varying between 50°F (10°C) and 34.3°F (1.3°C). With an average high-temperature of 50°F (10°C) and an average low-temperature of 34.3°F (1.3°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a fresh month in Jefferson, Arkansas, with temperature in the range of an average high of 53.6°F (12°C) and an average low of 38.3°F (3.5°C). In February, the average high-temperature is almost the same as in January - a still fresh 53.6°F (12°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Jefferson, Arkansas, with temperature in the range of an average high of 63.3°F (17.4°C) and an average low of 45.3°F (7.4°C). In Jefferson, the average high-temperature in March increases, from a cool 53.6°F (12°C) in February, to an enjoyable 63.3°F (17.4°C). Weather in March »

Weather in April

April is a pleasant spring month in Jefferson, Arkansas, with average temperature fluctuating between 72.5°F (22.5°C) and 53.1°F (11.7°C). In Jefferson, the average high-temperature increases, from a comfortable 63.3°F (17.4°C) in March, to a pleasant 72.5°F (22.5°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Jefferson, Arkansas, with average temperature fluctuating between 81.1°F (27.3°C) and 61.7°F (16.5°C). In Jefferson, the average high-temperature in May marginally rises, from an agreeable 72.5°F (22.5°C) in April, to a moderately hot 81.1°F (27.3°C). Weather in May »

Weather in June

June, the first month of the summer, in Jefferson, is a tropical month, with average temperature ranging between max 90.1°F (32.3°C) and min 69.8°F (21°C). In Jefferson, Arkansas, the average high-temperature marginally rises, from a warm 81.1°F (27.3°C) in May, to a tropical 90.1°F (32.3°C). Weather in June »

Weather in July

July, the same as June, in Jefferson, Arkansas, is a hot summer month, with average temperature ranging between min 72°F (22.2°C) and max 92.8°F (33.8°C). The warmest month is July, with an average high-temperature of 92.8°F (33.8°C) and an average low-temperature of 72°F (22.2°C). In July, the average heat index is estimated at a burning hot 116.8°F (47.1°C). Weather in July »

Weather in August

August, the last month of the summer, in Jefferson, is also a hot month, with temperature in the range of an average low of 71.2°F (21.8°C) and an average high of 91.9°F (33.3°C). In Jefferson, Arkansas, the average high-temperature is practically the same as in July - a still hot 91.9°F (33.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Jefferson, Arkansas, with average temperature varying between 65.1°F (18.4°C) and 85.8°F (29.9°C). In Jefferson, the average high-temperature marginally drops, from a tropical 91.9°F (33.3°C) in August, to a moderately hot 85.8°F (29.9°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Jefferson, Arkansas, with average temperature varying between 53.6°F (12°C) and 73.9°F (23.3°C). In October, the average high-temperature drops, from a moderately hot 85.8°F (29.9°C) in September, to a still warm 73.9°F (23.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a moderate month in Jefferson, Arkansas, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 60.6°F (15.9°C). In November, the average high-temperature decreases, from a warm 73.9°F (23.3°C) in October, to a mild 60.6°F (15.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Jefferson, Arkansas, with average temperature ranging between min 38.3°F (3.5°C) and max 52.3°F (11.3°C). In December, the average high-temperature slightly decreases, from a moderate 60.6°F (15.9°C) in November, to a fresh 52.3°F (11.3°C). Weather in December »
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FAQ

What is the coldest month in Jefferson?

With an average high-temperature of 50°F (10°C) and an average low-temperature of 34.3°F (1.3°C), January is the coldest month.

How much does it rain in Jefferson?

In Jefferson, Arkansas, during the entire year, the rain falls for 152.2 days and collects up to 35.59" (904mm) of precipitation.

When does it snow in Jefferson?

Months with snowfall are January through March and December.

How much does it snow in Jefferson?

In Jefferson, during the entire year, snow falls for 3.8 days, and aggregates up to 1.38" (35mm) of snow.

When does it snow the most in Jefferson?

The month with the most snowfall in Jefferson, Arkansas, is January when snow falls for 1.3 days and typically aggregates up to 0.67" (17mm) of snow.

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

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

What is the month with the least sunshine in Jefferson?

The month with the least sunshine in Jefferson is February, with an average of 5.1h of sunshine.

What is the most humid month in Jefferson?

March is the most humid month in Jefferson, Arkansas, with an average relative humidity of 79%.

What is the rainiest month in Jefferson?

April is the month with the most rainfall in Jefferson, Arkansas. Rain falls for 14 days and accumulates 4.41" (112mm) of precipitation.

When it does not snow in Jefferson?

April through November are months without snowfall in Jefferson.

When are the longest days in Jefferson?

The month with the longest days is June, with an average of 14.4h of daylight.

What month has the most sunshine in Jefferson?

With an average of 10.6h of sunshine, June has the most sunshine of the year in Jefferson.

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

June and July, with an average maximum UV index of 7, are months with the highest UV index.

What is the warmest month in Jefferson?

With an average high-temperature of 92.8°F (33.8°C) and an average low-temperature of 72°F (22.2°C), July is the warmest month.

What is the driest month in Jefferson?

The month with the least rainfall is July when the rain falls for 15.8 days and typically collects 2.28" (58mm) of precipitation.

What is the least humid month in Jefferson?

The least humid month in Jefferson is October, with an average relative humidity of 70%.

What is the month with the shortest days in Jefferson?

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

Average temperature
Jefferson, AR

Average temperature - Jefferson, AR

The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (50°F).

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

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Average pressure
Jefferson, AR

Average pressure - Jefferson, AR

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed
Jefferson, AR

Average wind speed - Jefferson, AR

The windiest months (with the highest average wind speed) are March and April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average rainfall
Jefferson, AR

Average rainfall - Jefferson, AR

The wettest month (with the highest rainfall) is April (4.41").
The driest month (with the least rainfall) is July (2.28").

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Average rainfall days
Jefferson, AR

Average rainfall days - Jefferson, AR

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall
Jefferson, AR

Average snowfall - Jefferson, AR

The month with the highest snowfall is January (0.67").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Jefferson, AR

Average snowfall days - Jefferson, AR

Months with the highest number of snowfall days are January and February (1.3 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, AR

Average daylight / Average sunshine - Jefferson, AR

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

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 5.1h).

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Average sunshine days
Jefferson, AR

Average sunshine days - Jefferson, AR

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (13.3 days).

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Average UV index
Jefferson, AR

Average UV index - Jefferson, AR

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Jefferson, AR

Average visibility - Jefferson, AR

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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