Westminster Weather in July
Average highs run from 81°F on July 1 to 84°F on July 31, and lows from 63°F to 65°F. Normal precipitation for the month is 0.03 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
- 83°F
- Average low
- 65°F
- Precipitation
- 0.03 in
- Record high
- 109°FJul 6, 2018
- Record low
- 51°FJul 15, 1960
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.1
- Daylight
- 14 h 22 min to 13 h 50 min
- Cloud cover
- 19%
- Humidity
- 53%
- Dew point
- 53°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 | 81°F | 63°F | 107°F 1985 | 52°F 1962 | 2% |
| Jul 2 | 81°F | 63°F | 102°F 1985 | 52°F 1962 | 2% |
| Jul 3 | 81°F | 64°F | 100°F 1981 | 55°F 1960 | 2% |
| Jul 4 | 81°F | 64°F | 98°F 1957 | 54°F 1964 | 2% |
| Jul 5 | 81°F | 64°F | 91°F 2014 | 53°F 1955 | 2% |
| Jul 6 | 82°F | 64°F | 109°F 2018 | 54°F 1955 | 2% |
| Jul 7 | 82°F | 64°F | 91°F 1976 | 55°F 1962 | 2% |
| Jul 8 | 82°F | 64°F | 93°F 1961 | 54°F 1964 | 2% |
| Jul 9 | 82°F | 64°F | 99°F 1985 | 56°F 1952 | 2% |
| Jul 10 | 82°F | 64°F | 105°F 1959 | 55°F 1952 | 2% |
| Jul 11 | 82°F | 65°F | 98°F 1971 | 55°F 1952 | 2% |
| Jul 12 | 82°F | 65°F | 97°F 1983 | 56°F 1952 | 2% |
| Jul 13 | 82°F | 65°F | 100°F 1953 | 53°F 1960 | 2% |
| Jul 14 | 83°F | 65°F | 99°F 1978 | 55°F 1952 | 2% |
| Jul 15 | 83°F | 65°F | 99°F 1978 | 51°F 1960 | 2% |
| Jul 16 | 83°F | 65°F | 95°F 1998 | 57°F 1960 | 2% |
| Jul 17 | 83°F | 65°F | 95°F 1998 | 57°F 1955 | 2% |
| Jul 18 | 83°F | 65°F | 94°F 1992 | 57°F 1958 | 2% |
| Jul 19 | 83°F | 65°F | 93°F 2000 | 57°F 1987 | 2% |
| Jul 20 | 83°F | 65°F | 99°F 1960 | 57°F 1962 | 1% |
| Jul 21 | 83°F | 65°F | 97°F 1960 | 55°F 1965 | 1% |
| Jul 22 | 83°F | 65°F | 101°F 2006 | 56°F 1952 | 1% |
| Jul 23 | 83°F | 65°F | 96°F 2019 | 58°F 1965 | 1% |
| Jul 24 | 83°F | 65°F | 99°F 2006 | 58°F 1999 | 1% |
| Jul 25 | 83°F | 65°F | 97°F 2019 | 59°F 1949 | 1% |
| Jul 26 | 83°F | 65°F | 101°F 1977 | 57°F 2012 | 1% |
| Jul 27 | 83°F | 65°F | 100°F 1972 | 53°F 1965 | 1% |
| Jul 28 | 83°F | 65°F | 96°F 1972 | 55°F 1965 | 1% |
| Jul 29 | 84°F | 65°F | 97°F 1980 | 56°F 2012 | 1% |
| Jul 30 | 84°F | 65°F | 100°F 1980 | 56°F 1962 | 1% |
| Jul 31 | 84°F | 65°F | 99°F 1972 | 56°F 1962 | 1% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:45 AM, sunset 8:07 PM
- July 31
- sunrise 6:03 AM, sunset 7:53 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047888 (Santa Ana Fire Stn), public domain. Records: NOAA GHCN-Daily, station USW00023129, 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.