Fort Smith, AR weather and climate in 2025
Day
34 °C
Night
21 °C
Sea
0 °C
Precipitation
92 mm
in month
Rainy days
10 days
in month
Daylight
14 hours
average
Sunshine
10 hours
average
Humidity
69 %
Day
34 °C
Night
21 °C
Sea
0 °C
Precipitation
92 mm
in month
Rainy days
10 days
in month
Daylight
14 hours
average
Sunshine
10 hours
average
Humidity
69 %
Overview: Fort Smith, AR
Weather charts for Fort Smith, AR
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Weather overview for Fort Smith, AR
Weather overview
Experience a diverse climate year-round in Fort Smith, AR, nestled in the heart of the United States. With seasonal temperatures varying from the chilly lows of -2 °C (29 °F) in winter to the scorching highs of 34 °C (93 °F) in summer, there's a range of weather conditions to prepare for. Ideal for those who enjoy the vivid changes from one season to another, Fort Smith presents a different climate palette each month. Precipitation is a constant companion here, with measurable rainfall throughout the year but peaking in spring and early summer. The warmer months bring higher humidity and longer sun hours, perfect for outdoor activities, while the cooler months offer crisp air and a fresh atmosphere.
January weather
January in Fort Smith starts off with a crisp feel, showcasing the year's coldest night temperatures at -2 °C (29 °F). The daytime warms up to more comfortable 10 °C (50 °F), but don't put your coats away just yet. With 7 days average rainy days, your winter gear should include waterproof options.
February weather
As February arrives, Fort Smith witnesses a slight upturn in temperature with daily highs around 13 °C (56 °F). The chance of precipitation persists with 8 days indicating wet conditions. A brisk wind averaging 3 m/s could make it feel cooler, ensure you are well-layered.
March weather
March in Fort Smith ushers in the spring with a noticeable leap in temperatures reaching highs of 18 °C (65 °F). The rain doesn’t stay behind either, with the city expecting around 10 days of rain, the humidity at 64 % makes the air feel fresh.
April weather
April sees a surge in precipitation with 12 days on the wetter side. Fort Smith's blooms benefit from the rain, as do the citizens, who can enjoy moderate day temperatures around 23 °C (74 °F).
May weather
May shifts Fort Smith into a warmer gear, as temperatures climb to an average daily high of 27 °C (80 °F). Rainfall is most abundant this month with around 153 mm (6.03 in), which could lead to approximately 12 days of rain.
June weather
June in Fort Smith features the longest sun hours, averaging around 10 hours daily, which complements the summer vibe with temperatures peaking at 31 °C (88 °F). June’s rainfall lightens a bit from May, but you'll still see around 106 mm (4.17 in) spread over 10 days.
July weather
As July continues the summer pattern, Fort Smith residents enjoy the highest average temperatures of the year, reaching a scorching 34 °C (93 °F). Rainy days take a slight dip to about 10 days, while humidity remains high.
August weather
August keeps the heat turned up in Fort Smith with comparable highs to July at 34 °C (93 °F). However, this month shows a slight reduction in rainy days, with averages around 9 days.
September weather
September brings a subtle shift towards fall with a decrease in temperature to a balmy 30 °C (85 °F). Rainfall frequency is quite uniform with other months, observing around 9 days.
October weather
October’s weather begins to cool with an average high temperature of 24 °C (75 °F), while rainy conditions continue with approximately 9 days implying some wet days.
November weather
November in Fort Smith signifies the approach of winter with more moderate temperatures averaging around 17 °C (63 °F) during the day. November sees the second highest rainfall, following May, with approximately 113 mm (4.43 in) expected.
December weather
December marks the onset of winter in Fort Smith, with nighttime lows dipping down near -1 °C (31 °F), and highs around 11 °C (52 °F). The days are shortest this month, with 5 hours of sunlight illuminating the mild winter days.
FAQs
Should I expect snow in Fort Smith, AR in January?
Snow is possible although not guaranteed in January. With an average of 7 days rainy days, precipitation is more common as rain or a wintry mix, especially considering the typical high of 10 °C (50 °F).
What is the typical daytime temperature in Fort Smith, AR in February?
February brings you slightly milder weather with daytime highs averaging 13 °C (56 °F), hinting the start of a gradual transition into spring.
What to wear during March in Fort Smith, AR?
With a pleasant range of temperatures topping at 18 °C (65 °F), you'll be comfortable in spring attire - light layers are your best bet.
How does the weather in Fort Smith, AR change in April?
April brings a mix of rain and warmer days, with highs often reaching 23 °C (74 °F) and 12 days marked by rain showers.
Will I need air conditioning in Fort Smith, AR during May?
As the temperature can rise to about 27 °C (80 °F), air conditioning will provide comfort from the heat, especially considering the 71 % humidity level.
How hot are the days in Fort Smith, AR in June?
The days are definitely warm with average highs of 31 °C (88 °F), so dressing lightly and staying hydrated is advisable.
How can I stay cool in Fort Smith, AR during July?
Staying cool in 34 °C (93 °F) could involve light clothing, air conditioning, and frequent hydration. Outdoor activities should be planned for cooler parts of the day.
Is August too hot for outdoor activities in Fort Smith, AR?
August heat, peaking at 34 °C (93 °F), suggests scheduling outdoor activities for mornings or evenings when temperatures are milder.
What are the chances of experiencing a thunderstorm in September in Fort Smith, AR?
With an average of 9 days of rain, thunderstorms can occur; it's wise to stay updated with the local weather forecast.
Does October in Fort Smith, AR have a lot of sunny days?
You'll find a mix of sun and cloud in October, with an average of 7 hours of sunshine to enjoy throughout the month.
Is November much colder than October in Fort Smith, AR?
You'll notice a drop in temperature from October to November, with the highs averaging 17 °C (63 °F) so having a jacket would be advisable.
What are the normal daytime temperatures in Fort Smith, AR during December?
Daytime temperatures in December typically reach 11 °C (52 °F), which is cool but not frigid.
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