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Fort Smith (AR) Weather and Climate: A Comprehensive Guide

The temperature in Fort Smith can vary greatly throughout the year. The temperatures shift from very warm to cold. It also has a notably wet climate with much precipitation. Now, let’s break down all the climate details for a clearer picture.

Average maximum day and minimum night temperature

Depending on the time of the year, temperatures range from very warm to chilly in Fort Smith. Average maximum daytime temperatures range from a very warm 34°C in July, the warmest time of the year, to a chilly 10°C during cooler months like January.

At night, temperatures typically drop to an average of around -2°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

Precipitation and rainy days

Fort Smith has a relatively rain/snowy climate with high precipitation levels, averaging 1205 mm of rain/snowfall annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, May receives heavy rainfall, averaging 168 mm of precipitation, recorded across 12 rainy days. In contrast, the drier season, February brings less rainfall, with 56 mm over 8 rainy days. For more details, please visit our Fort Smith Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

Forecast for Fort Smith (AR)

Sun   Dec 22
11°C | 0°C
E 5 m/s
almost clear and no rain

almost clear and no rain

Mon   Dec 23
13°C | 3°C
E 4 m/s
4.1 mm
overcast and  chance of rain

overcast and chance of rain

Tue   Dec 24
13°C | 8°C
E 4 m/s
26 mm
overcast and heavy rain

overcast and heavy rain

The best time of year to visit Fort Smith in the United States of America

During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which is the warmest month in Fort Smith?
    July has an average maximum temperature of 34°C and is the warmest month of the year.
  • Which is the coldest month in Fort Smith?
    The coldest month is January with an average maximum temperature of 10°C.
  • Which is the wettest month in Fort Smith?
    May tops the wettest month list with 168 mm of rainfall.
  • Which is the driest month in Fort Smith?
    February is the driest month with 56 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.