Richland Weather in April
Average highs run from 76°F on April 1 to 82°F on April 30, and lows from 44°F to 52°F. Normal precipitation for the month is 4.18 in over about 6 wet days.
April day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
April at a glance
- Average high
- 79°F
- Average low
- 48°F
- Precipitation
- 4.18 in
- Record high
- 94°FApr 30, 2012
- Record low
- 28°FApr 7, 1950
- Chance of a freeze
- 52%
- Days of 90°F or more
- 0.7
- Daylight
- 12 h 32 min to 13 h 26 min
- Cloud cover
- 51%
- Humidity
- 77%
- Dew point
- 56°F
- Wind
- 7.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Apr 1 | 76°F | 44°F | 88°F 1974 | 30°F 1987 | 21% |
| Apr 2 | 76°F | 44°F | 89°F 2017 | 34°F 1961 | 21% |
| Apr 3 | 76°F | 45°F | 88°F 1957 | 32°F 1962 | 21% |
| Apr 4 | 76°F | 45°F | 87°F 1954 | 33°F 1987 | 21% |
| Apr 5 | 76°F | 45°F | 90°F 1988 | 34°F 1987 | 21% |
| Apr 6 | 77°F | 45°F | 88°F 1967 | 35°F 1950 | 21% |
| Apr 7 | 77°F | 45°F | 89°F 1967 | 28°F 1950 | 21% |
| Apr 8 | 77°F | 46°F | 89°F 1978 | 32°F 1950 | 21% |
| Apr 9 | 77°F | 46°F | 89°F 1978 | 34°F 2000 | 21% |
| Apr 10 | 77°F | 46°F | 88°F 1965 | 35°F 1974 | 20% |
| Apr 11 | 78°F | 46°F | 87°F 1979 | 31°F 1960 | 20% |
| Apr 12 | 78°F | 46°F | 88°F 1977 | 35°F 1973 | 20% |
| Apr 13 | 78°F | 47°F | 88°F 1977 | 36°F 1975 | 20% |
| Apr 14 | 78°F | 47°F | 89°F 1981 | 35°F 1950 | 20% |
| Apr 15 | 78°F | 47°F | 91°F 1972 | 36°F 1950 | 19% |
| Apr 16 | 79°F | 47°F | 89°F 1977 | 32°F 1950 | 19% |
| Apr 17 | 79°F | 48°F | 91°F 1955 | 32°F 1949 | 19% |
| Apr 18 | 79°F | 48°F | 91°F 2002 | 37°F 1956 | 19% |
| Apr 19 | 79°F | 48°F | 91°F 2002 | 33°F 1983 | 19% |
| Apr 20 | 79°F | 49°F | 91°F 2002 | 35°F 1953 | 19% |
| Apr 21 | 80°F | 49°F | 92°F 1987 | 32°F 1953 | 19% |
| Apr 22 | 80°F | 49°F | 92°F 1987 | 37°F 1953 | 19% |
| Apr 23 | 80°F | 49°F | 90°F 1970 | 35°F 1986 | 19% |
| Apr 24 | 80°F | 50°F | 91°F 1965 | 38°F 1986 | 19% |
| Apr 25 | 81°F | 50°F | 89°F 1960 | 39°F 1968 | 18% |
| Apr 26 | 81°F | 50°F | 91°F 1986 | 40°F 1983 | 18% |
| Apr 27 | 81°F | 51°F | 93°F 1986 | 42°F 1977 | 18% |
| Apr 28 | 81°F | 51°F | 89°F 1989 | 41°F 1953 | 18% |
| Apr 29 | 82°F | 51°F | 91°F 2012 | 41°F 1973 | 18% |
| Apr 30 | 82°F | 52°F | 94°F 2012 | 42°F 2008 | 18% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (EDT).
- April 1
- sunrise 7:27 AM, sunset 7:59 PM
- April 30
- sunrise 6:53 AM, sunset 8:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00095394 (Lumpkin 2 Se), public domain. Records: NOAA GHCN-Daily, station USW00093842, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.