Grant County Weather in June
Average highs run from 70°F on June 1 to 80°F on June 30, and lows from 40°F to 45°F. Normal precipitation for the month is 1.30 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
- 43°F
- Precipitation
- 1.30 in
- Record high
- 103°FJun 18, 1974
- Record low
- 25°FJun 27, 1966
- Chance of a freeze
- 39%
- Days of 90°F or more
- 3.2
- Daylight
- 15 h 20 min to 15 h 30 min
- Cloud cover
- 53%
- Humidity
- 61%
- Dew point
- 40°F
- Wind
- 4.9 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 | 70°F | 40°F | 98°F 1986 | 30°F 1984 | 36% | 0% |
| Jun 2 | 70°F | 41°F | 96°F 1986 | 33°F 1954 | 36% | 0% |
| Jun 3 | 71°F | 41°F | 95°F 2021 | 32°F 1966 | 35% | 0% |
| Jun 4 | 71°F | 41°F | 97°F 1970 | 28°F 1962 | 35% | 0% |
| Jun 5 | 71°F | 41°F | 96°F 2000 | 32°F 1956 | 35% | 0% |
| Jun 6 | 71°F | 41°F | 99°F 1970 | 30°F 1966 | 34% | 0% |
| Jun 7 | 72°F | 41°F | 98°F 1970 | 32°F 2021 | 33% | 0% |
| Jun 8 | 72°F | 42°F | 96°F 1996 | 32°F 1974 | 33% | 0% |
| Jun 9 | 72°F | 42°F | 95°F 2015 | 32°F 1999 | 32% | 0% |
| Jun 10 | 72°F | 42°F | 97°F 2025 | 32°F 1959 | 32% | 0% |
| Jun 11 | 73°F | 42°F | 93°F 2025 | 34°F 1974 | 31% | 0% |
| Jun 12 | 73°F | 42°F | 96°F 1974 | 34°F 1972 | 30% | 0% |
| Jun 13 | 73°F | 42°F | 96°F 1974 | 32°F 1965 | 30% | 0% |
| Jun 14 | 74°F | 42°F | 97°F 1974 | 31°F 1992 | 29% | 0% |
| Jun 15 | 74°F | 43°F | 101°F 1974 | 33°F 2022 | 28% | 0% |
| Jun 16 | 74°F | 43°F | 99°F 1961 | 34°F 1994 | 27% | 0% |
| Jun 17 | 75°F | 43°F | 100°F 1961 | 35°F 1991 | 27% | 0% |
| Jun 18 | 75°F | 43°F | 103°F 1974 | 31°F 1996 | 26% | 0% |
| Jun 19 | 75°F | 43°F | 99°F 1985 | 30°F 1996 | 25% | 0% |
| Jun 20 | 76°F | 43°F | 100°F 1959 | 33°F 1960 | 25% | 0% |
| Jun 21 | 76°F | 44°F | 98°F 1961 | 33°F 1960 | 24% | 0% |
| Jun 22 | 77°F | 44°F | 100°F 1970 | 34°F 2012 | 23% | 0% |
| Jun 23 | 77°F | 44°F | 102°F 1961 | 33°F 2012 | 23% | 0% |
| Jun 24 | 78°F | 44°F | 101°F 1970 | 36°F 1985 | 22% | 0% |
| Jun 25 | 78°F | 44°F | 100°F 1992 | 34°F 1966 | 21% | 0% |
| Jun 26 | 78°F | 45°F | 100°F 1961 | 30°F 1966 | 21% | 0% |
| Jun 27 | 79°F | 45°F | 101°F 2002 | 25°F 1966 | 20% | 0% |
| Jun 28 | 79°F | 45°F | 101°F 2015 | 35°F 2012 | 20% | 0% |
| Jun 29 | 80°F | 45°F | 99°F 2006 | 33°F 1971 | 19% | 0% |
| Jun 30 | 80°F | 45°F | 102°F 2021 | 34°F 1966 | 18% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- June 1
- sunrise 5:14 AM, sunset 8:34 PM
- June 30
- sunrise 5:15 AM, sunset 8:45 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00354291 (John Day), public domain. Records: NOAA GHCN-Daily, station USC00354291, 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.