Big Sky Weather in April
Average highs run from 45°F on April 1 to 52°F on April 30, and lows from 21°F to 25°F. Normal precipitation for the month is 2.42 in over about 12 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
- 48°F
- Average low
- 23°F
- Precipitation
- 2.42 in
- Snowfall
- 6.0 in
- Record high
- 85°FApr 27, 1987
- Record low
- -7°FApr 5, 1936
- Chance of a freeze
- 100%
- Daylight
- 12 h 48 min to 14 h 16 min
- Cloud cover
- 73%
- Humidity
- 74%
- Dew point
- 25°F
- Wind
- 6.3 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 | 45°F | 21°F | 72°F 1966 | -6°F 1936 | 38% | 12% |
| Apr 2 | 45°F | 21°F | 72°F 1990 | 1°F 1935 | 38% | 12% |
| Apr 3 | 45°F | 21°F | 75°F 1961 | 2°F 1945 | 38% | 12% |
| Apr 4 | 45°F | 21°F | 71°F 1960 | 13°F 1935 | 38% | 12% |
| Apr 5 | 46°F | 21°F | 74°F 2021 | -7°F 1936 | 38% | 11% |
| Apr 6 | 46°F | 21°F | 73°F 1930 | 0°F 1997 | 38% | 11% |
| Apr 7 | 46°F | 21°F | 76°F 1930 | 12°F 1923 | 38% | 11% |
| Apr 8 | 46°F | 21°F | 78°F 1996 | 7°F 1928 | 38% | 11% |
| Apr 9 | 46°F | 21°F | 80°F 1996 | 2°F 1982 | 38% | 11% |
| Apr 10 | 46°F | 22°F | 74°F 1996 | 4°F 1933 | 38% | 11% |
| Apr 11 | 47°F | 22°F | 73°F 1988 | 9°F 1953 | 38% | 11% |
| Apr 12 | 47°F | 22°F | 77°F 1988 | 6°F 1997 | 38% | 11% |
| Apr 13 | 47°F | 22°F | 75°F 1940 | 6°F 2020 | 38% | 11% |
| Apr 14 | 47°F | 22°F | 76°F 1936 | 7°F 1935 | 38% | 10% |
| Apr 15 | 48°F | 22°F | 76°F 1926 | 10°F 1973 | 38% | 10% |
| Apr 16 | 48°F | 22°F | 77°F 1994 | 11°F 1999 | 38% | 10% |
| Apr 17 | 48°F | 23°F | 78°F 1994 | 10°F 1964 | 38% | 10% |
| Apr 18 | 48°F | 23°F | 80°F 1962 | 6°F 2013 | 38% | 10% |
| Apr 19 | 49°F | 23°F | 79°F 1994 | -1°F 1941 | 38% | 10% |
| Apr 20 | 49°F | 23°F | 80°F 1989 | 8°F 1968 | 38% | 9% |
| Apr 21 | 49°F | 23°F | 82°F 1994 | 8°F 2021 | 38% | 9% |
| Apr 22 | 50°F | 23°F | 83°F 2012 | 10°F 2011 | 38% | 9% |
| Apr 23 | 50°F | 24°F | 79°F 2012 | 9°F 1931 | 38% | 9% |
| Apr 24 | 50°F | 24°F | 80°F 1987 | 15°F 2013 | 38% | 8% |
| Apr 25 | 51°F | 24°F | 81°F 1946 | 15°F 1985 | 38% | 8% |
| Apr 26 | 51°F | 24°F | 78°F 1992 | 18°F 1924 | 38% | 8% |
| Apr 27 | 51°F | 25°F | 85°F 1987 | 16°F 1976 | 39% | 8% |
| Apr 28 | 52°F | 25°F | 80°F 1939 | 7°F 1984 | 39% | 7% |
| Apr 29 | 52°F | 25°F | 82°F 1939 | 14°F 1994 | 39% | 7% |
| Apr 30 | 52°F | 25°F | 80°F 2007 | 14°F 1984 | 39% | 7% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- April 1
- sunrise 7:06 AM, sunset 7:54 PM
- April 30
- sunrise 6:15 AM, sunset 8:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00240775 (Big Sky 2WNW), public domain. Records: NOAA GHCN-Daily, station USC00242793, 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.