Olean Weather in April
Average highs run from 50°F on April 1 to 63°F on April 30, and lows from 26°F to 38°F. Normal precipitation for the month is 3.35 in over about 15 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
- 57°F
- Average low
- 32°F
- Precipitation
- 3.35 in
- Snowfall
- 1.8 in
- Record high
- 87°FApr 29, 1990
- Record low
- -2°FApr 5, 2016
- Chance of a freeze
- 100%
- Daylight
- 12 h 43 min to 14 h 01 min
- Cloud cover
- 71%
- Humidity
- 81%
- Dew point
- 37°F
- Wind
- 6.0 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 | 50°F | 26°F | 81°F 1998 | 1°F 1969 | 48% | 11% |
| Apr 2 | 50°F | 27°F | 80°F 1986 | 12°F 1907 | 48% | 10% |
| Apr 3 | 51°F | 27°F | 83°F 2010 | 1°F 1898 | 48% | 10% |
| Apr 4 | 51°F | 28°F | 83°F 2010 | 2°F 1954 | 48% | 10% |
| Apr 5 | 52°F | 28°F | 81°F 1910 | -2°F 2016 | 48% | 9% |
| Apr 6 | 52°F | 28°F | 76°F 2023 | -2°F 2016 | 48% | 9% |
| Apr 7 | 53°F | 29°F | 76°F 1997 | 9°F 1982 | 48% | 8% |
| Apr 8 | 53°F | 29°F | 80°F 1991 | 2°F 1979 | 48% | 8% |
| Apr 9 | 53°F | 30°F | 77°F 1991 | 3°F 1939 | 48% | 8% |
| Apr 10 | 54°F | 30°F | 74°F 1991 | 9°F 1979 | 48% | 7% |
| Apr 11 | 54°F | 31°F | 77°F 2017 | -1°F 1909 | 48% | 7% |
| Apr 12 | 55°F | 31°F | 74°F 1941 | 13°F 1973 | 48% | 6% |
| Apr 13 | 55°F | 31°F | 82°F 2001 | 15°F 1940 | 48% | 6% |
| Apr 14 | 56°F | 32°F | 80°F 2023 | 13°F 1950 | 48% | 6% |
| Apr 15 | 56°F | 32°F | 81°F 2023 | 11°F 1932 | 48% | 5% |
| Apr 16 | 57°F | 33°F | 81°F 1994 | 8°F 1943 | 48% | 5% |
| Apr 17 | 57°F | 33°F | 83°F 2002 | 11°F 2020 | 48% | 5% |
| Apr 18 | 58°F | 34°F | 84°F 2002 | 15°F 2020 | 48% | 5% |
| Apr 19 | 58°F | 34°F | 85°F 1976 | 18°F 1904 | 48% | 4% |
| Apr 20 | 59°F | 34°F | 82°F 2008 | 15°F 1904 | 48% | 4% |
| Apr 21 | 59°F | 35°F | 85°F 1954 | 16°F 1981 | 48% | 4% |
| Apr 22 | 60°F | 35°F | 82°F 1902 | 18°F 1959 | 49% | 3% |
| Apr 23 | 60°F | 36°F | 80°F 1985 | 17°F 1989 | 49% | 3% |
| Apr 24 | 61°F | 36°F | 83°F 1958 | 15°F 1989 | 48% | 3% |
| Apr 25 | 61°F | 36°F | 83°F 2022 | 16°F 1967 | 48% | 3% |
| Apr 26 | 61°F | 37°F | 84°F 1942 | 19°F 1967 | 48% | 3% |
| Apr 27 | 62°F | 37°F | 83°F 1990 | 20°F 1993 | 48% | 2% |
| Apr 28 | 62°F | 38°F | 86°F 2009 | 18°F 1934 | 48% | 2% |
| Apr 29 | 63°F | 38°F | 87°F 1990 | 20°F 1967 | 48% | 2% |
| Apr 30 | 63°F | 38°F | 85°F 1899 | 23°F 2012 | 48% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- April 1
- sunrise 6:56 AM, sunset 7:39 PM
- April 30
- sunrise 6:11 AM, sunset 8:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00306196 (Olean), public domain. Records: NOAA GHCN-Daily, station USC00303025, 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.