Boise County Weather in June
Average highs run from 71°F on June 1 to 81°F on June 30, and lows from 38°F to 43°F. Normal precipitation for the month is 1.09 in over about 7 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
- 40°F
- Precipitation
- 1.09 in
- Snowfall
- 0.1 in
- Record high
- 110°FJun 28, 2015
- Record low
- 31°FJun 1, 1984
- Chance of a freeze
- 84%
- Days of 90°F or more
- 2.2
- Daylight
- 15 h 16 min to 15 h 26 min
- Cloud cover
- 57%
- Humidity
- 60%
- Dew point
- 39°F
- Wind
- 4.3 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 |
|---|---|---|---|---|---|---|
| Jun 1 | 71°F | 38°F | 99°F 2001 | 31°F 1984 | 25% | 1% |
| Jun 2 | 71°F | 38°F | 97°F 1986 | 35°F 1954 | 25% | 1% |
| Jun 3 | 71°F | 38°F | 103°F 2021 | 38°F 1973 | 25% | 1% |
| Jun 4 | 71°F | 39°F | 98°F 1969 | 33°F 1962 | 24% | 1% |
| Jun 5 | 72°F | 39°F | 97°F 2016 | 37°F 1956 | 24% | 1% |
| Jun 6 | 72°F | 39°F | 101°F 1977 | 35°F 1982 | 24% | 1% |
| Jun 7 | 72°F | 39°F | 98°F 1996 | 31°F 1995 | 24% | 1% |
| Jun 8 | 72°F | 39°F | 101°F 2016 | 33°F 1982 | 24% | 1% |
| Jun 9 | 73°F | 39°F | 99°F 2015 | 36°F 1984 | 23% | 1% |
| Jun 10 | 73°F | 39°F | 97°F 1949 | 37°F 1959 | 23% | 1% |
| Jun 11 | 73°F | 40°F | 97°F 1940 | 36°F 1990 | 23% | 1% |
| Jun 12 | 74°F | 40°F | 102°F 1940 | 34°F 1993 | 22% | 1% |
| Jun 13 | 74°F | 40°F | 99°F 1987 | 37°F 1981 | 22% | 1% |
| Jun 14 | 74°F | 40°F | 105°F 1974 | 35°F 1976 | 21% | 1% |
| Jun 15 | 75°F | 40°F | 100°F 1999 | 34°F 1945 | 21% | 1% |
| Jun 16 | 75°F | 40°F | 104°F 1974 | 37°F 1978 | 20% | 0% |
| Jun 17 | 76°F | 40°F | 105°F 1974 | 37°F 1949 | 20% | 0% |
| Jun 18 | 76°F | 41°F | 103°F 1974 | 36°F 1973 | 20% | 0% |
| Jun 19 | 76°F | 41°F | 109°F 1940 | 37°F 1996 | 19% | 0% |
| Jun 20 | 77°F | 41°F | 101°F 1961 | 38°F 1953 | 19% | 0% |
| Jun 21 | 77°F | 41°F | 102°F 1945 | 40°F 1960 | 18% | 0% |
| Jun 22 | 78°F | 41°F | 104°F 1988 | 42°F 2019 | 18% | 0% |
| Jun 23 | 78°F | 42°F | 103°F 1988 | 39°F 1993 | 17% | 0% |
| Jun 24 | 78°F | 42°F | 98°F 1960 | 39°F 1946 | 16% | 0% |
| Jun 25 | 79°F | 42°F | 102°F 1962 | 38°F 1966 | 16% | 0% |
| Jun 26 | 79°F | 42°F | 102°F 1968 | 34°F 1976 | 15% | 0% |
| Jun 27 | 80°F | 42°F | 106°F 2015 | 41°F 1965 | 15% | 0% |
| Jun 28 | 80°F | 42°F | 110°F 2015 | 40°F 1969 | 14% | 0% |
| Jun 29 | 81°F | 43°F | 105°F 2008 | 39°F 1947 | 14% | 0% |
| Jun 30 | 81°F | 43°F | 104°F 2013 | 38°F 1988 | 13% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- June 1
- sunrise 6:03 AM, sunset 9:19 PM
- June 30
- sunrise 6:04 AM, sunset 9:30 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00104442 (Idaho City), public domain. Records: NOAA GHCN-Daily, station USW00024131, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.