Lassen County Weather in July
Average highs run from 85°F on July 1 to 89°F on July 31, and lows from 51°F to 54°F. Normal precipitation for the month is 0.21 in over about 1 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
- 88°F
- Average low
- 53°F
- Precipitation
- 0.21 in
- Record high
- 106°FJul 19, 1931
- Record low
- 15°FJul 6, 2026
- Chance of a freeze
- 0%
- Days of 90°F or more
- 14.7
- Daylight
- 15 h 02 min to 14 h 21 min
- Cloud cover
- 22%
- Humidity
- 35%
- Dew point
- 37°F
- Wind
- 5.4 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 |
|---|---|---|---|---|---|
| Jul 1 | 85°F | 51°F | 100°F 1967 | 30°F 1976 | 4% |
| Jul 2 | 86°F | 51°F | 101°F 1967 | 34°F 1975 | 4% |
| Jul 3 | 86°F | 51°F | 99°F 1937 | 33°F 1948 | 4% |
| Jul 4 | 86°F | 51°F | 100°F 1929 | 34°F 1947 | 4% |
| Jul 5 | 86°F | 52°F | 101°F 2007 | 32°F 1955 | 3% |
| Jul 6 | 87°F | 52°F | 102°F 1984 | 15°F 2026 | 3% |
| Jul 7 | 87°F | 52°F | 101°F 2024 | 34°F 1903 | 3% |
| Jul 8 | 87°F | 52°F | 101°F 2024 | 36°F 1948 | 3% |
| Jul 9 | 88°F | 52°F | 102°F 2024 | 37°F 1944 | 3% |
| Jul 10 | 88°F | 53°F | 104°F 2002 | 38°F 1947 | 3% |
| Jul 11 | 88°F | 53°F | 105°F 2002 | 35°F 1974 | 3% |
| Jul 12 | 88°F | 53°F | 102°F 1917 | 38°F 1947 | 3% |
| Jul 13 | 88°F | 53°F | 103°F 1935 | 36°F 1993 | 3% |
| Jul 14 | 88°F | 53°F | 103°F 1972 | 36°F 1993 | 3% |
| Jul 15 | 89°F | 53°F | 100°F 1987 | 38°F 1966 | 3% |
| Jul 16 | 89°F | 54°F | 102°F 1972 | 33°F 1993 | 3% |
| Jul 17 | 89°F | 54°F | 102°F 1972 | 33°F 1993 | 3% |
| Jul 18 | 89°F | 54°F | 104°F 1931 | 35°F 1983 | 3% |
| Jul 19 | 89°F | 54°F | 106°F 1931 | 34°F 1987 | 3% |
| Jul 20 | 89°F | 54°F | 106°F 1931 | 38°F 1949 | 3% |
| Jul 21 | 89°F | 54°F | 102°F 1931 | 37°F 1993 | 3% |
| Jul 22 | 89°F | 54°F | 104°F 1988 | 36°F 1987 | 3% |
| Jul 23 | 89°F | 54°F | 104°F 1931 | 35°F 1947 | 3% |
| Jul 24 | 89°F | 54°F | 104°F 1928 | 38°F 1993 | 3% |
| Jul 25 | 89°F | 54°F | 106°F 1928 | 36°F 1994 | 3% |
| Jul 26 | 89°F | 54°F | 104°F 1928 | 37°F 1993 | 3% |
| Jul 27 | 89°F | 54°F | 102°F 1928 | 38°F 1909 | 3% |
| Jul 28 | 89°F | 54°F | 102°F 1968 | 38°F 1948 | 3% |
| Jul 29 | 89°F | 54°F | 100°F 1929 | 39°F 1948 | 3% |
| Jul 30 | 89°F | 54°F | 102°F 1901 | 36°F 1993 | 3% |
| Jul 31 | 89°F | 54°F | 100°F 1988 | 35°F 1957 | 3% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:35 AM, sunset 8:37 PM
- July 31
- sunrise 5:58 AM, sunset 8:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00048702 (Susanville 2SW), public domain. Records: NOAA GHCN-Daily, station USC00048702, 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.