Great Falls Weather in June
Average highs run from 71°F on June 1 to 81°F on June 30, and lows from 47°F to 53°F. Normal precipitation for the month is 2.74 in over about 9 wet days.
June day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
June at a glance
- Average high
- 75°F
- Average low
- 50°F
- Precipitation
- 2.74 in
- Snowfall
- 0.3 in
- Record high
- 101°FJun 30, 1990
- Record low
- 31°FJun 7, 1950
- Chance of a freeze
- 1%
- Days of 90°F or more
- 1.8
- Daylight
- 15 h 43 min to 15 h 54 min
- Cloud cover
- 61%
- Humidity
- 58%
- Dew point
- 44°F
- Wind
- 8.5 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 |
|---|---|---|---|---|---|---|
| Jun 1 | 71°F | 47°F | 94°F 1977 | 34°F 1951 | 38% | 2% |
| Jun 2 | 71°F | 47°F | 89°F 1986 | 32°F 1984 | 38% | 2% |
| Jun 3 | 71°F | 47°F | 93°F 1988 | 33°F 1943 | 38% | 2% |
| Jun 4 | 71°F | 47°F | 95°F 1988 | 32°F 1998 | 37% | 2% |
| Jun 5 | 72°F | 47°F | 92°F 1969 | 34°F 1951 | 37% | 2% |
| Jun 6 | 72°F | 48°F | 93°F 1977 | 32°F 2009 | 37% | 2% |
| Jun 7 | 72°F | 48°F | 92°F 1985 | 31°F 1950 | 36% | 2% |
| Jun 8 | 72°F | 48°F | 93°F 1996 | 31°F 1950 | 36% | 1% |
| Jun 9 | 73°F | 48°F | 92°F 2018 | 36°F 1950 | 36% | 1% |
| Jun 10 | 73°F | 49°F | 93°F 1956 | 31°F 1999 | 35% | 1% |
| Jun 11 | 73°F | 49°F | 90°F 1965 | 32°F 2008 | 35% | 1% |
| Jun 12 | 74°F | 49°F | 95°F 1979 | 32°F 1969 | 34% | 1% |
| Jun 13 | 74°F | 49°F | 93°F 1940 | 32°F 1969 | 34% | 1% |
| Jun 14 | 75°F | 49°F | 99°F 2021 | 36°F 1945 | 33% | 1% |
| Jun 15 | 75°F | 50°F | 93°F 2021 | 33°F 1994 | 32% | 1% |
| Jun 16 | 75°F | 50°F | 93°F 1961 | 35°F 2001 | 32% | 1% |
| Jun 17 | 76°F | 50°F | 97°F 1961 | 33°F 1994 | 31% | 1% |
| Jun 18 | 76°F | 50°F | 93°F 2003 | 36°F 1949 | 31% | 1% |
| Jun 19 | 77°F | 50°F | 95°F 1974 | 34°F 2024 | 30% | 1% |
| Jun 20 | 77°F | 51°F | 96°F 1961 | 36°F 2004 | 30% | 1% |
| Jun 21 | 77°F | 51°F | 95°F 1937 | 33°F 2023 | 29% | 0% |
| Jun 22 | 78°F | 51°F | 99°F 1988 | 34°F 2023 | 28% | 0% |
| Jun 23 | 78°F | 51°F | 99°F 1941 | 37°F 1996 | 28% | 0% |
| Jun 24 | 79°F | 51°F | 97°F 1974 | 36°F 2003 | 27% | 0% |
| Jun 25 | 79°F | 52°F | 97°F 1988 | 37°F 2003 | 27% | 0% |
| Jun 26 | 80°F | 52°F | 97°F 1961 | 36°F 1999 | 26% | 0% |
| Jun 27 | 80°F | 52°F | 98°F 2015 | 37°F 1951 | 25% | 0% |
| Jun 28 | 80°F | 52°F | 99°F 2015 | 36°F 1995 | 25% | 0% |
| Jun 29 | 81°F | 52°F | 98°F 1937 | 39°F 2024 | 25% | 0% |
| Jun 30 | 81°F | 53°F | 101°F 1990 | 36°F 1995 | 24% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- June 1
- sunrise 5:32 AM, sunset 9:15 PM
- June 30
- sunrise 5:32 AM, sunset 9:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00243749 (Great Falls 16ST), public domain. Records: NOAA GHCN-Daily, station USW00024143, 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.