Climate and monthly weather forecast
Fort Smith, AR

Weather in January

January, like December, is another chilly winter month in Fort Smith, Arkansas, with an average temperature varying between 48°F (8.9°C) and 31.5°F (-0.3°C). With an average high-temperature of 48°F (8.9°C) and an average low-temperature of 31.5°F (-0.3°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is a cool month in Fort Smith, Arkansas, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 51.8°F (11°C). In February, the average high-temperature is essentially the same as in January - a fresh 51.8°F (11°C). Weather in February »

Weather in March

The first month of the spring, March, is a comfortable month in Fort Smith, Arkansas, with an average temperature ranging between max 61.7°F (16.5°C) and min 43°F (6.1°C). In March, the average high-temperature increases from a cool 51.8°F (11°C) in February to a comfortable 61.7°F (16.5°C). Weather in March »

Weather in April

April in Fort Smith, Arkansas, is an agreeable spring month, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 50.5°F (10.3°C). In Fort Smith, the average high-temperature in April increases from a comfortable 61.7°F (16.5°C) in March to an agreeable 70.7°F (21.5°C). Weather in April »

Weather in May

May, the last month of the spring in Fort Smith, is a moderately hot month, with an average temperature varying between 79°F (26.1°C) and 58.6°F (14.8°C). In May, the average high-temperature marginally rises from a pleasant 70.7°F (21.5°C) in April to a moderately hot 79°F (26.1°C). Weather in May »

Weather in June

June, the first month of the summer in Fort Smith, is a tropical month, with an average temperature ranging between min 67.6°F (19.8°C) and max 89.2°F (31.8°C). In June, the average high-temperature rises from a warm 79°F (26.1°C) in May to a hot 89.2°F (31.8°C). Weather in June »

Weather in July

July, like June, is a hot summer month in Fort Smith, Arkansas, with an average temperature ranging between min 70.7°F (21.5°C) and max 93.4°F (34.1°C). July is the warmest month, with an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 70.7°F (21.5°C). In July, the average heat index is computed to be a blazing hot 116.6°F (47°C). Weather in July »

Weather in August

August, the last month of the summer in Fort Smith, is another tropical month, with an average temperature fluctuating between 91.9°F (33.3°C) and 69.4°F (20.8°C). In August, the average high-temperature is relatively the same as in July - a still hot 91.9°F (33.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Fort Smith, is still a warm month, with an average temperature varying between 85.1°F (29.5°C) and 63°F (17.2°C). In September, the average high-temperature slightly decreases from a tropical 91.9°F (33.3°C) in August to a moderately hot 85.1°F (29.5°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Fort Smith, Arkansas, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 72°F (22.2°C). In Fort Smith, the average high-temperature in October drops from a moderately hot 85.1°F (29.5°C) in September to an agreeable 72°F (22.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Fort Smith, is also a moderate month, with an average temperature varying between 42.1°F (5.6°C) and 59.9°F (15.5°C). In Fort Smith, the average high-temperature in November decreases from a pleasant 72°F (22.2°C) in October to a moderate 59.9°F (15.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Fort Smith, Arkansas, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 50.4°F (10.2°C). In December, the average high-temperature drops from a mild 59.9°F (15.5°C) in November to a cool 50.4°F (10.2°C). Weather in December »
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FAQ

What is the coldest month in Fort Smith?

January is the coldest month, with an average high-temperature of 48°F (8.9°C) and an average low-temperature of 31.5°F (-0.3°C).

How many days does it rain in Fort Smith?

In Fort Smith, Arkansas, during the entire year, the rain falls for 131.9 days and collects up to 25.51" (648mm) of precipitation.

When does it snow in Fort Smith?

January through March and December are months with snowfall.

How much does it snow in Fort Smith?

Throughout the year, there are 3.9 snowfall days, and 0.79" (20mm) of snow is accumulated.

What are the months with the least sunshine in Fort Smith?

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

What is the driest month in Fort Smith?

February is the month with the least rainfall in Fort Smith, Arkansas. Rain falls for 9.2 days and accumulates 1.34" (34mm) of precipitation.

What is the snowiest month in Fort Smith?

February is the month with the most snowfall in Fort Smith, Arkansas. Snow falls for 1.7 days and accumulates 0.31" (8mm) of snow.

What is the most humid month in Fort Smith?

March and May, with an average relative humidity of 77%, are most humid months.

When is Daylight Saving Time (DST) in Fort Smith?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Fort Smith, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from CDT to CST.

When it does not snow in Fort Smith?

In Fort Smith, snow does not fall in April through November.

What is the wettest month in Fort Smith?

The month with the most rainfall in Fort Smith is May, when the rain falls for 13.7 days and typically aggregates up to 3.43" (87mm) of precipitation.

When are the longest days in Fort Smith?

The month with the longest days is June, with an average of 14h and 31min of daylight.

What are the months with the highest UV index in Fort Smith?

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

What is the warmest month in Fort Smith?

With an average high-temperature of 93.4°F (34.1°C) and an average low-temperature of 70.7°F (21.5°C), July is the warmest month.

What are the least humid months in Fort Smith?

The months with the lowest humidity in Fort Smith, Arkansas, are July and August, with an average relative humidity of 70%.

What month has the most sunshine in Fort Smith?

With an average of 10.9h of sunshine, July has the most sunshine of the year in Fort Smith, Arkansas.

What is the month with the shortest days in Fort Smith?

December has the shortest days of the year in Fort Smith, with an average of 9h and 49min of daylight.

What is the month with the lowest UV index in Fort Smith?

December is the month with the lowest UV index in Fort Smith, with an average maximum UV index of 2.

Average pressure
Fort Smith, AR

Average pressure - Fort Smith, AR

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Fort Smith, AR

Average wind speed - Fort Smith, AR

The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity
Fort Smith, AR

Average humidity - Fort Smith, AR

The months with the highest relative humidity are March and May (77%).
The months with the lowest relative humidity are July and August (70%).

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Average rainfall
Fort Smith, AR

Average rainfall - Fort Smith, AR

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is February (1.34").

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Average rainfall days
Fort Smith, AR

Average rainfall days - Fort Smith, AR

The month with the highest number of rainy days is April (14 days).
The month with the least rainy days is November (7.6 days).

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Average snowfall
Fort Smith, AR

Average snowfall - Fort Smith, AR

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days
Fort Smith, AR

Average snowfall days - Fort Smith, AR

The month with the highest number of snowfall days is February (1.7 days).
The 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
Fort Smith, AR

Average daylight / Average sunshine - Fort Smith, AR

The month with the longest days is June (Average daylight: 14h and 31min).
The month with the shortest days is December (Average daylight: 9h and 49min).

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

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Average sunshine days
Fort Smith, AR

Average sunshine days - Fort Smith, AR

The month with the most sunshine days is January (21.4 days).
The month with the least sunshine days is April (14.2 days).

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Average visibility
Fort Smith, AR

Average visibility - Fort Smith, AR

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

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