Climate averages 1991–2020
Oklahoma City weather
in April.
A mild, wet month: the 7th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Oklahoma City: 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 98 mm of rain on roughly 9 days, which makes April a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 04 min on an average April day.
The nearest other city in this atlas is Edmond (21 km away). In April its highs average 21.6°C, about as warm as Oklahoma City, with 99 mm of rain.
Among the 498 cities listed in the United States, Oklahoma City ranks joint 176th of 498 for the warmest April highs and joint 351st of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Oklahoma City is 2.2°C warmer than that mean.
From April to May, average highs rise by 4.5°C to 26.1°C, and monthly rainfall rises from 98 mm to 115 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
Oklahoma City climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.0°C-0.8°C | -0.8°C | 37 | 4.6 | 10.110 h |
| February | 11.7°C1.1°C | 1.1°C | 45 | 5.5 | 10.911 h |
| March | 16.7°C5.9°C | 5.9°C | 72 | 7.6 | 11.912 h |
| April, selected | 21.6°C10.7°C | 10.7°C | 98 | 8.6 | 13.113 h |
| May | 26.1°C16.2°C | 16.2°C | 115 | 11.0 | 14.014 h |
| June | 30.7°C21.3°C | 21.3°C | 95 | 9.6 | 14.515 h |
| July | 33.6°C23.9°C | 23.9°C | 61 | 6.8 | 14.314 h |
| August | 33.1°C23.4°C | 23.4°C | 64 | 6.7 | 13.513 h |
| September | 28.5°C18.9°C | 18.9°C | 73 | 6.9 | 12.412 h |
| October | 22.3°C12.5°C | 12.5°C | 75 | 7.2 | 11.311 h |
| November | 15.3°C5.9°C | 5.9°C | 49 | 5.6 | 10.310 h |
| December | 9.7°C0.6°C | 0.6°C | 46 | 5.1 | 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
- Edmond in AprilUnited States · 21 kmHigh 21.6°C · Low 10.8°C · 99 mm rain
- Norman in AprilUnited States · 28 kmHigh 21.7°C · Low 11.3°C · 100 mm rain
- Lawton in AprilUnited States · 124 kmHigh 23.1°C · Low 11.5°C · 92 mm rain
- Tulsa in AprilUnited States · 157 kmHigh 21.1°C · Low 10.9°C · 121 mm rain
- Broken Arrow in AprilUnited States · 169 kmHigh 21.0°C · Low 10.9°C · 127 mm rain
- Wichita Falls in AprilUnited States · 194 kmHigh 24.4°C · Low 12.8°C · 85 mm rain
- Wichita in AprilUnited States · 248 kmHigh 19.5°C · Low 8.7°C · 95 mm rain
- Denton in AprilUnited States · 253 kmHigh 23.3°C · Low 13.4°C · 96 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 Oklahoma City) is explained once on the Oklahoma City year overview and on the Sources, method and limits page.