Irmo Weather in April
Average highs run from 73°F on April 1 to 81°F on April 30, and lows from 48°F to 56°F. Normal precipitation for the month is 2.83 in over about 8 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
- 77°F
- Average low
- 52°F
- Precipitation
- 2.83 in
- Record high
- 94°FApr 23, 1970
- Record low
- 26°FApr 8, 2007
- Chance of a freeze
- 31%
- Days of 90°F or more
- 1.1
- Daylight
- 12 h 34 min to 13 h 32 min
- Cloud cover
- 54%
- Humidity
- 75%
- Dew point
- 53°F
- Wind
- 7.2 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Apr 1 | 73°F | 48°F | 92°F 1974 | 28°F 1987 | 28% | 0% |
| Apr 2 | 73°F | 48°F | 91°F 2012 | 32°F 1997 | 28% | 0% |
| Apr 3 | 73°F | 48°F | 89°F 1963 | 28°F 1992 | 28% | 0% |
| Apr 4 | 74°F | 48°F | 90°F 1963 | 32°F 1962 | 28% | 0% |
| Apr 5 | 74°F | 49°F | 91°F 2010 | 34°F 1961 | 28% | 0% |
| Apr 6 | 74°F | 49°F | 92°F 2010 | 31°F 1992 | 28% | 0% |
| Apr 7 | 74°F | 49°F | 90°F 1967 | 30°F 1982 | 28% | 0% |
| Apr 8 | 75°F | 50°F | 90°F 1954 | 26°F 2007 | 28% | 0% |
| Apr 9 | 75°F | 50°F | 92°F 2015 | 33°F 1972 | 28% | 0% |
| Apr 10 | 75°F | 50°F | 91°F 2001 | 30°F 1972 | 28% | 0% |
| Apr 11 | 76°F | 50°F | 89°F 1977 | 29°F 1960 | 28% | 0% |
| Apr 12 | 76°F | 51°F | 91°F 1977 | 30°F 1973 | 28% | 0% |
| Apr 13 | 76°F | 51°F | 90°F 1977 | 33°F 1975 | 28% | 0% |
| Apr 14 | 76°F | 51°F | 90°F 2006 | 31°F 1973 | 28% | 0% |
| Apr 15 | 77°F | 51°F | 92°F 2026 | 33°F 1950 | 28% | 0% |
| Apr 16 | 77°F | 52°F | 92°F 2006 | 29°F 1950 | 28% | 0% |
| Apr 17 | 77°F | 52°F | 91°F 2006 | 30°F 1949 | 28% | 0% |
| Apr 18 | 78°F | 52°F | 93°F 2026 | 34°F 1983 | 28% | 0% |
| Apr 19 | 78°F | 52°F | 92°F 1968 | 29°F 1983 | 27% | 0% |
| Apr 20 | 78°F | 53°F | 93°F 1994 | 26°F 1983 | 27% | 0% |
| Apr 21 | 78°F | 53°F | 92°F 1963 | 29°F 1953 | 27% | 0% |
| Apr 22 | 79°F | 53°F | 93°F 1970 | 31°F 1978 | 27% | 0% |
| Apr 23 | 79°F | 54°F | 94°F 1970 | 32°F 1993 | 27% | 0% |
| Apr 24 | 79°F | 54°F | 93°F 1958 | 30°F 1986 | 27% | 0% |
| Apr 25 | 79°F | 54°F | 93°F 1960 | 35°F 1974 | 27% | 0% |
| Apr 26 | 80°F | 54°F | 93°F 1990 | 37°F 1968 | 27% | 0% |
| Apr 27 | 80°F | 55°F | 94°F 1986 | 35°F 1972 | 27% | 0% |
| Apr 28 | 80°F | 55°F | 94°F 1986 | 36°F 1993 | 27% | 0% |
| Apr 29 | 80°F | 55°F | 94°F 1970 | 35°F 1967 | 27% | 0% |
| Apr 30 | 81°F | 56°F | 93°F 1962 | 39°F 2008 | 27% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- April 1
- sunrise 7:12 AM, sunset 7:46 PM
- April 30
- sunrise 6:36 AM, sunset 8:08 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013883 (Columbia), public domain. Records: NOAA GHCN-Daily, station USW00013883, 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.