Climate averages 1991–2020
Fort Smith weather
in April.
A mild, wet month: the 7th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Fort Smith: daytime highs average 21.6°C and nights cool to about 10.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 149 mm of rain on roughly 11 days, which makes April a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average April day.
The nearest other city in this atlas is Fayetteville, United States (78 km away). In April its highs average 19.4°C, 2.1°C cooler than Fort Smith, with 140 mm of rain.
Among the 498 cities listed in the United States, Fort Smith ranks joint 176th of 498 for the warmest April highs and 498th of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Fort Smith is 2.2°C warmer than that mean.
From April to May, average highs rise by 4.4°C to 25.9°C, and monthly rainfall falls from 149 mm to 148 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Fort Smith climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.5°C-0.1°C | -0.1°C | 84 | 8.9 | 10.110 h |
| February | 12.3°C1.8°C | 1.8°C | 85 | 8.5 | 10.911 h |
| March | 17.0°C6.0°C | 6.0°C | 125 | 11.3 | 11.912 h |
| April, selected | 21.6°C10.7°C | 10.7°C | 149 | 11.3 | 13.113 h |
| May | 25.9°C16.0°C | 16.0°C | 148 | 12.9 | 14.014 h |
| June | 30.5°C20.8°C | 20.8°C | 92 | 10.3 | 14.515 h |
| July | 33.0°C23.1°C | 23.1°C | 78 | 8.8 | 14.314 h |
| August | 32.8°C22.7°C | 22.7°C | 63 | 8.3 | 13.513 h |
| September | 28.9°C18.6°C | 18.6°C | 93 | 7.4 | 12.412 h |
| October | 22.7°C12.4°C | 12.4°C | 108 | 9.0 | 11.311 h |
| November | 15.9°C6.2°C | 6.2°C | 110 | 8.7 | 10.310 h |
| December | 10.7°C1.6°C | 1.6°C | 96 | 8.9 | 9.810 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Fayetteville, United States in AprilUnited States · 78 kmHigh 19.4°C · Low 9.6°C · 140 mm rain
- Springdale in AprilUnited States · 92 kmHigh 19.5°C · Low 9.7°C · 131 mm rain
- Broken Arrow in AprilUnited States · 146 kmHigh 21.0°C · Low 10.9°C · 127 mm rain
- Tulsa in AprilUnited States · 167 kmHigh 21.1°C · Low 10.9°C · 121 mm rain
- Little Rock in AprilUnited States · 205 kmHigh 22.1°C · Low 12.0°C · 128 mm rain
- Springfield (Missouri), United States in AprilUnited States · 226 kmHigh 18.9°C · Low 8.6°C · 131 mm rain
- Norman in AprilUnited States · 277 kmHigh 21.7°C · Low 11.3°C · 100 mm rain
- Edmond in AprilUnited States · 280 kmHigh 21.6°C · Low 10.8°C · 99 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Fort Smith) is explained once on the Fort Smith year overview and on the Sources, method and limits page.