Heppner Weather in July
Average highs run from 82°F on July 1 to 89°F on July 31, and lows from 52°F to 57°F. Normal precipitation for the month is 0.31 in over about 3 wet days.
July day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
July at a glance
- Average high
- 87°F
- Average low
- 55°F
- Precipitation
- 0.31 in
- Record high
- 108°FJul 25, 1928
- Record low
- 32°FJul 16, 1986
- Chance of a freeze
- 0%
- Days of 90°F or more
- 12.4
- Daylight
- 15 h 36 min to 14 h 45 min
- Cloud cover
- 29%
- Humidity
- 48%
- Dew point
- 48°F
- Wind
- 8.9 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 |
|---|---|---|---|---|---|---|
| Jul 1 | 82°F | 52°F | 100°F 1987 | 36°F 1907 | 15% | 0% |
| Jul 2 | 82°F | 52°F | 99°F 1906 | 37°F 1954 | 15% | 0% |
| Jul 3 | 83°F | 53°F | 104°F 1922 | 37°F 1962 | 14% | 0% |
| Jul 4 | 83°F | 53°F | 105°F 1906 | 41°F 1907 | 14% | 0% |
| Jul 5 | 84°F | 53°F | 102°F 1968 | 38°F 1932 | 13% | 0% |
| Jul 6 | 84°F | 53°F | 103°F 1968 | 40°F 1898 | 13% | 0% |
| Jul 7 | 84°F | 54°F | 99°F 1908 | 38°F 1971 | 12% | 0% |
| Jul 8 | 85°F | 54°F | 101°F 1968 | 38°F 2005 | 12% | 0% |
| Jul 9 | 85°F | 54°F | 101°F 1975 | 40°F 1965 | 12% | 0% |
| Jul 10 | 86°F | 54°F | 104°F 2024 | 40°F 1905 | 11% | 0% |
| Jul 11 | 86°F | 55°F | 105°F 1926 | 38°F 1943 | 11% | 0% |
| Jul 12 | 86°F | 55°F | 103°F 1990 | 35°F 1993 | 11% | 0% |
| Jul 13 | 87°F | 55°F | 106°F 2002 | 40°F 1909 | 11% | 0% |
| Jul 14 | 87°F | 55°F | 103°F 1935 | 41°F 1913 | 10% | 0% |
| Jul 15 | 87°F | 55°F | 103°F 1935 | 37°F 1986 | 10% | 0% |
| Jul 16 | 88°F | 56°F | 103°F 1911 | 32°F 1986 | 10% | 0% |
| Jul 17 | 88°F | 56°F | 102°F 1979 | 41°F 1909 | 10% | 0% |
| Jul 18 | 88°F | 56°F | 104°F 1941 | 39°F 1962 | 10% | 0% |
| Jul 19 | 88°F | 56°F | 103°F 1960 | 39°F 1898 | 9% | 0% |
| Jul 20 | 89°F | 56°F | 103°F 1905 | 42°F 1924 | 9% | 0% |
| Jul 21 | 89°F | 56°F | 107°F 1905 | 39°F 1898 | 9% | 0% |
| Jul 22 | 89°F | 56°F | 106°F 1905 | 40°F 1934 | 9% | 0% |
| Jul 23 | 89°F | 57°F | 104°F 1905 | 40°F 1899 | 9% | 0% |
| Jul 24 | 89°F | 57°F | 107°F 1928 | 44°F 1948 | 9% | 0% |
| Jul 25 | 89°F | 57°F | 108°F 1928 | 43°F 1948 | 9% | 0% |
| Jul 26 | 89°F | 57°F | 105°F 1928 | 41°F 1919 | 8% | 0% |
| Jul 27 | 89°F | 57°F | 103°F 1939 | 41°F 1986 | 8% | 0% |
| Jul 28 | 89°F | 57°F | 107°F 1939 | 40°F 1949 | 8% | 0% |
| Jul 29 | 89°F | 57°F | 104°F 1998 | 37°F 1917 | 8% | 0% |
| Jul 30 | 89°F | 57°F | 105°F 2003 | 43°F 1963 | 8% | 0% |
| Jul 31 | 89°F | 57°F | 105°F 2022 | 43°F 1945 | 8% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:14 AM, sunset 8:50 PM
- July 31
- sunrise 5:42 AM, sunset 8:27 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00353827 (Heppner), public domain. Records: NOAA GHCN-Daily, station USC00353827, 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.