Climate and monthly weather forecast
Fort Smith, AR

Weather in January

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

Weather in February

February, the last month of the winter in Fort Smith, is a cool month, with an average temperature ranging between min 35.6°F (2°C) and max 51.8°F (11°C). In February, the average high-temperature is practically the same as in January - a cool 51.8°F (11°C). Weather in February »

Weather in March

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

Weather in April

April in Fort Smith, Arkansas, is a pleasant spring month, with an average temperature ranging between min 50.5°F (10.3°C) and max 70.7°F (21.5°C). In April, the average high-temperature increases from an enjoyable 61.7°F (16.5°C) in March to a pleasant 70.7°F (21.5°C). Weather in April »

Weather in May

May, the last month of the spring in Fort Smith, is a warm month, with an average temperature fluctuating between 58.6°F (14.8°C) and 79°F (26.1°C). In Fort Smith, the average high-temperature in May 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 temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 67.6°F (19.8°C). In Fort Smith, Arkansas, the average high-temperature in June increases from a moderately hot 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 another hot summer month in Fort Smith, Arkansas, with temperature in the range of an average high of 93.4°F (34.1°C) and an average low of 70.7°F (21.5°C). 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. The average heat index in July is estimated at a life-threatening hot 116.8°F (47.1°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 almost 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 also a moderately hot month, with an average temperature fluctuating 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 another pleasant autumn month in Fort Smith, Arkansas, with temperature in the range of an average high of 72°F (22.2°C) and an average low of 52.3°F (11.3°C). In Fort Smith, Arkansas, 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 59.9°F (15.5°C) and 42.1°F (5.6°C). In Fort Smith, the average high-temperature in November drops from a pleasant 72°F (22.2°C) in October to a mild 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 Fort Smith, the average high-temperature in December drops from a moderate 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?

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 in Fort Smith, Arkansas.

How many days does it rain in Fort Smith?

Throughout the year, there are 131.9 rainfall days, and 25.51" (648mm) of precipitation is accumulated.

When does it snow in Fort Smith?

Months with snowfall in Fort Smith, Arkansas, are January through March and December.

How much does it snow in Fort Smith?

In Fort Smith, Arkansas, during the entire year, snow falls for 3.9 days and aggregates up to 0.79" (20mm) of snow.

What is the month with the least sunshine in Fort Smith?

January and December, with an average of 5.5h of sunshine, are months with the least sunshine in Fort Smith, Arkansas.

What is the driest month in Fort Smith?

The month with the least rainfall is February, when the rain falls for 9.2 days and typically collects 1.34" (34mm) of precipitation.

When does it snow the most in Fort Smith?

February is the month with the most snowfall in Fort Smith. 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?

April through November are months without snowfall.

What is the wettest month in Fort Smith?

The month with the most rainfall 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?

June has the longest days of the year in Fort Smith, Arkansas, with an average of 14h and 31min of daylight.

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

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

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 in Fort Smith.

What are the least humid months in Fort Smith?

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

What month has the most sunshine in Fort Smith?

The month with the most sunshine is July, with an average of 10.9h of sunshine.

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

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

When is the lowest UV index in Fort Smith?

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

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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