Climate averages 1991–2020
Dayton weather
in April.
A mild, wet month: the 7th warmest and one of the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Dayton: daytime highs average 16.8°C and nights cool to about 6.4°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 116 mm of rain on roughly 13 days, which makes April a wet month (one of the wettest months of the year). Daylight, from sunrise to sunset, lasts about 13 h 14 min on an average April day.
The nearest other city in this atlas is Cincinnati (76 km away). In April its highs average 17.7°C, 0.9°C warmer than Dayton, with 118 mm of rain.
Among the 498 cities listed in the United States, Dayton ranks joint 320th of 498 for the warmest April highs and joint 448th of 498 for the driest April (rainfall, lowest first). The mean April high of those 498 cities is 19.4°C; Dayton is 2.6°C cooler than that mean.
From April to May, average highs rise by 5.2°C to 22.0°C, and monthly rainfall stays at 116 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
Dayton climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 2.3°C-5.5°C | -5.5°C | 82 | 9.8 | 9.710 h |
| February | 4.6°C-4.1°C | -4.1°C | 70 | 9.3 | 10.711 h |
| March | 10.0°C0.4°C | 0.4°C | 100 | 11.1 | 11.912 h |
| April, selected | 16.8°C6.4°C | 6.4°C | 116 | 12.7 | 13.213 h |
| May | 22.0°C12.3°C | 12.3°C | 116 | 13.3 | 14.314 h |
| June | 26.5°C17.4°C | 17.4°C | 106 | 12.6 | 14.915 h |
| July | 28.4°C19.5°C | 19.5°C | 86 | 11.6 | 14.715 h |
| August | 27.9°C18.9°C | 18.9°C | 81 | 10.0 | 13.714 h |
| September | 24.4°C15.3°C | 15.3°C | 68 | 7.8 | 12.512 h |
| October | 17.6°C9.0°C | 9.0°C | 74 | 8.4 | 11.211 h |
| November | 10.4°C2.8°C | 2.8°C | 82 | 8.9 | 10.010 h |
| December | 4.6°C-2.3°C | -2.3°C | 85 | 9.7 | 9.49 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
- Cincinnati in AprilUnited States · 76 kmHigh 17.7°C · Low 6.8°C · 118 mm rain
- Columbus in AprilUnited States · 104 kmHigh 16.6°C · Low 5.6°C · 115 mm rain
- Muncie in AprilUnited States · 113 kmHigh 16.1°C · Low 5.4°C · 113 mm rain
- Fishers in AprilUnited States · 157 kmHigh 16.6°C · Low 6.0°C · 116 mm rain
- Carmel in AprilUnited States · 166 kmHigh 16.4°C · Low 6.0°C · 116 mm rain
- Indianapolis in AprilUnited States · 168 kmHigh 16.8°C · Low 6.5°C · 120 mm rain
- Fort Wayne in AprilUnited States · 172 kmHigh 15.2°C · Low 4.4°C · 101 mm rain
- Meads in AprilUnited States · 197 kmHigh 19.1°C · Low 8.3°C · 108 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 Dayton) is explained once on the Dayton year overview and on the Sources, method and limits page.