Colma Weather in July
Average highs run from 61°F on July 1 to 63°F on July 31, and lows from 53°F to 55°F. Normal precipitation for the month is 0.01 in over about 0 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
- 62°F
- Average low
- 54°F
- Precipitation
- 0.01 in
- Record high
- 99°FJul 1, 1985
- Record low
- 44°FJul 29, 1951
- Chance of a freeze
- 0%
- Daylight
- 14 h 43 min to 14 h 06 min
- Cloud cover
- 58%
- Humidity
- 86%
- Dew point
- 54°F
- Wind
- 9.2 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 | 61°F | 53°F | 99°F 1985 | 46°F 1949 | 2% |
| Jul 2 | 61°F | 54°F | 97°F 1970 | 47°F 1954 | 2% |
| Jul 3 | 61°F | 54°F | 89°F 1970 | 48°F 1953 | 2% |
| Jul 4 | 61°F | 54°F | 87°F 2024 | 46°F 1954 | 2% |
| Jul 5 | 61°F | 54°F | 81°F 1981 | 48°F 1946 | 2% |
| Jul 6 | 61°F | 54°F | 86°F 1957 | 47°F 1950 | 2% |
| Jul 7 | 62°F | 54°F | 85°F 1985 | 49°F 1949 | 2% |
| Jul 8 | 62°F | 54°F | 90°F 1985 | 48°F 1951 | 2% |
| Jul 9 | 62°F | 54°F | 94°F 1959 | 47°F 1953 | 2% |
| Jul 10 | 62°F | 54°F | 97°F 1959 | 47°F 1953 | 2% |
| Jul 11 | 62°F | 54°F | 93°F 1983 | 48°F 1949 | 2% |
| Jul 12 | 62°F | 54°F | 88°F 1983 | 47°F 1950 | 2% |
| Jul 13 | 62°F | 54°F | 97°F 1972 | 49°F 1955 | 1% |
| Jul 14 | 62°F | 54°F | 98°F 1972 | 48°F 1950 | 1% |
| Jul 15 | 62°F | 54°F | 93°F 1995 | 49°F 1949 | 1% |
| Jul 16 | 62°F | 54°F | 87°F 1988 | 49°F 1949 | 1% |
| Jul 17 | 62°F | 54°F | 91°F 1961 | 47°F 1954 | 1% |
| Jul 18 | 62°F | 55°F | 88°F 1968 | 50°F 1949 | 1% |
| Jul 19 | 62°F | 55°F | 90°F 1961 | 49°F 1981 | 1% |
| Jul 20 | 62°F | 55°F | 93°F 1996 | 49°F 1945 | 1% |
| Jul 21 | 62°F | 55°F | 92°F 2026 | 49°F 1949 | 1% |
| Jul 22 | 62°F | 55°F | 97°F 2006 | 49°F 1951 | 1% |
| Jul 23 | 62°F | 55°F | 89°F 2005 | 50°F 1962 | 1% |
| Jul 24 | 62°F | 55°F | 90°F 1974 | 50°F 1955 | 1% |
| Jul 25 | 62°F | 55°F | 91°F 1973 | 49°F 1945 | 1% |
| Jul 26 | 62°F | 55°F | 94°F 1963 | 49°F 1951 | 1% |
| Jul 27 | 62°F | 55°F | 86°F 1967 | 48°F 1951 | 1% |
| Jul 28 | 62°F | 55°F | 88°F 1954 | 48°F 1953 | 1% |
| Jul 29 | 62°F | 55°F | 91°F 1977 | 44°F 1951 | 1% |
| Jul 30 | 63°F | 55°F | 97°F 1977 | 45°F 1954 | 1% |
| Jul 31 | 63°F | 55°F | 97°F 1993 | 49°F 1945 | 1% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- July 1
- sunrise 5:52 AM, sunset 8:35 PM
- July 31
- sunrise 6:13 AM, sunset 8:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047767 (San Francisco Oceanside), public domain. Records: NOAA GHCN-Daily, station USW00023234, 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.