Coulee Dam Weather in June
Average highs run from 74°F on June 1 to 82°F on June 30, and lows from 49°F to 56°F. Normal precipitation for the month is 1.15 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
- 78°F
- Average low
- 52°F
- Precipitation
- 1.15 in
- Record high
- 112°FJun 28, 2021
- Record low
- 36°FJun 10, 2008
- Chance of a freeze
- 0%
- Days of 90°F or more
- 3.2
- Daylight
- 15 h 46 min to 15 h 59 min
- Cloud cover
- 61%
- Humidity
- 55%
- Dew point
- 43°F
- Wind
- 6.3 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Jun 1 | 74°F | 49°F | 100°F 1986 | 37°F 1984 | 27% |
| Jun 2 | 75°F | 50°F | 99°F 1937 | 40°F 1950 | 27% |
| Jun 3 | 75°F | 50°F | 94°F 1969 | 38°F 1962 | 27% |
| Jun 4 | 75°F | 50°F | 97°F 1969 | 38°F 1962 | 27% |
| Jun 5 | 75°F | 50°F | 95°F 2016 | 37°F 1985 | 26% |
| Jun 6 | 75°F | 50°F | 97°F 2016 | 40°F 1962 | 26% |
| Jun 7 | 76°F | 50°F | 97°F 2016 | 39°F 2004 | 26% |
| Jun 8 | 76°F | 50°F | 96°F 2015 | 39°F 2002 | 26% |
| Jun 9 | 76°F | 51°F | 97°F 2025 | 41°F 1959 | 25% |
| Jun 10 | 76°F | 51°F | 97°F 2025 | 36°F 2008 | 25% |
| Jun 11 | 76°F | 51°F | 100°F 1940 | 40°F 2018 | 25% |
| Jun 12 | 77°F | 51°F | 98°F 1940 | 39°F 2001 | 24% |
| Jun 13 | 77°F | 51°F | 93°F 1986 | 39°F 1952 | 24% |
| Jun 14 | 77°F | 52°F | 92°F 1963 | 41°F 1945 | 23% |
| Jun 15 | 77°F | 52°F | 97°F 1963 | 40°F 1945 | 23% |
| Jun 16 | 78°F | 52°F | 99°F 1961 | 39°F 2024 | 23% |
| Jun 17 | 78°F | 52°F | 100°F 1961 | 41°F 1973 | 22% |
| Jun 18 | 78°F | 52°F | 98°F 1969 | 40°F 1954 | 22% |
| Jun 19 | 78°F | 53°F | 98°F 1940 | 42°F 1996 | 21% |
| Jun 20 | 79°F | 53°F | 99°F 1945 | 42°F 1953 | 21% |
| Jun 21 | 79°F | 53°F | 105°F 1938 | 43°F 2006 | 21% |
| Jun 22 | 79°F | 53°F | 102°F 1936 | 43°F 1997 | 20% |
| Jun 23 | 80°F | 54°F | 102°F 1973 | 41°F 1943 | 20% |
| Jun 24 | 80°F | 54°F | 101°F 1992 | 39°F 2001 | 19% |
| Jun 25 | 81°F | 54°F | 100°F 2004 | 36°F 2001 | 19% |
| Jun 26 | 81°F | 54°F | 99°F 2015 | 38°F 2001 | 18% |
| Jun 27 | 81°F | 55°F | 108°F 2021 | 42°F 1975 | 18% |
| Jun 28 | 82°F | 55°F | 112°F 2021 | 41°F 1975 | 18% |
| Jun 29 | 82°F | 55°F | 112°F 2021 | 41°F 1949 | 17% |
| Jun 30 | 82°F | 56°F | 111°F 2021 | 40°F 1949 | 17% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- June 1
- sunrise 5:01 AM, sunset 8:47 PM
- June 30
- sunrise 5:00 AM, sunset 8:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00451767 (Coulee Dam 1 Sw), public domain. Records: NOAA GHCN-Daily, station USC00451767, 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.