Ottawa Weather in April
Average highs run from 62°F on April 1 to 70°F on April 30, and lows from 37°F to 47°F. Normal precipitation for the month is 3.79 in over about 10 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
- 66°F
- Average low
- 42°F
- Precipitation
- 3.79 in
- Record high
- 96°FApr 29, 1910
- Record low
- 11°FApr 5, 1920
- Chance of a freeze
- 96%
- Daylight
- 12 h 39 min to 13 h 47 min
- Cloud cover
- 61%
- Humidity
- 71%
- Dew point
- 45°F
- Wind
- 13.0 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 | 62°F | 37°F | 90°F 1940 | 20°F 1899 | 31% | 1% |
| Apr 2 | 62°F | 37°F | 86°F 1946 | 17°F 1936 | 31% | 1% |
| Apr 3 | 62°F | 37°F | 85°F 2012 | 12°F 1936 | 31% | 1% |
| Apr 4 | 63°F | 38°F | 89°F 1909 | 14°F 1899 | 31% | 1% |
| Apr 5 | 63°F | 38°F | 86°F 2000 | 11°F 1920 | 32% | 1% |
| Apr 6 | 63°F | 38°F | 87°F 1954 | 20°F 1936 | 32% | 0% |
| Apr 7 | 64°F | 39°F | 84°F 1978 | 19°F 2007 | 32% | 0% |
| Apr 8 | 64°F | 39°F | 91°F 1905 | 18°F 2007 | 32% | 0% |
| Apr 9 | 64°F | 39°F | 90°F 1905 | 22°F 1928 | 33% | 0% |
| Apr 10 | 64°F | 40°F | 93°F 1930 | 22°F 1989 | 33% | 0% |
| Apr 11 | 65°F | 40°F | 89°F 1930 | 21°F 1918 | 33% | 0% |
| Apr 12 | 65°F | 40°F | 91°F 1972 | 19°F 1957 | 34% | 0% |
| Apr 13 | 65°F | 41°F | 91°F 2006 | 21°F 1950 | 34% | 0% |
| Apr 14 | 66°F | 41°F | 91°F 2006 | 19°F 1907 | 35% | 0% |
| Apr 15 | 66°F | 41°F | 90°F 1924 | 22°F 1928 | 35% | 0% |
| Apr 16 | 66°F | 42°F | 87°F 1898 | 25°F 2014 | 35% | 0% |
| Apr 17 | 66°F | 42°F | 91°F 1981 | 22°F 1904 | 35% | 0% |
| Apr 18 | 67°F | 42°F | 92°F 1981 | 28°F 1953 | 36% | 0% |
| Apr 19 | 67°F | 43°F | 90°F 1987 | 28°F 2022 | 36% | 0% |
| Apr 20 | 67°F | 43°F | 94°F 1902 | 25°F 1910 | 36% | 0% |
| Apr 21 | 67°F | 44°F | 90°F 1925 | 23°F 1907 | 37% | 0% |
| Apr 22 | 68°F | 44°F | 92°F 1953 | 26°F 1986 | 37% | 0% |
| Apr 23 | 68°F | 44°F | 89°F 1906 | 26°F 2021 | 38% | 0% |
| Apr 24 | 68°F | 45°F | 89°F 1906 | 26°F 1967 | 38% | 0% |
| Apr 25 | 69°F | 45°F | 88°F 1989 | 28°F 2013 | 38% | 0% |
| Apr 26 | 69°F | 46°F | 95°F 1981 | 27°F 1907 | 38% | 0% |
| Apr 27 | 69°F | 46°F | 91°F 1956 | 29°F 1967 | 39% | 0% |
| Apr 28 | 69°F | 46°F | 91°F 1910 | 30°F 1928 | 39% | 0% |
| Apr 29 | 70°F | 47°F | 96°F 1910 | 30°F 1903 | 39% | 0% |
| Apr 30 | 70°F | 47°F | 92°F 1959 | 26°F 1908 | 40% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- April 1
- sunrise 7:06 AM, sunset 7:45 PM
- April 30
- sunrise 6:25 AM, sunset 8:12 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00146128 (Ottawa), public domain. Records: NOAA GHCN-Daily, station USC00146128, 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.