San Rafael Weather in October
Average highs run from 33°C on October 1 to 32°C on October 31, and lows from 27°C to 26°C. Normal precipitation for the month is 118 mm over about 19 wet days.
October day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
October at a glance
- Average high
- 32°C
- Average low
- 26°C
- Precipitation
- 118 mm
- Record high
- 41°COct 21, 1993
- Record low
- 18°COct 24, 1978
- Daylight
- 12 h 01 min to 11 h 45 min
- Cloud cover
- 60%
- Humidity
- 76%
- Dew point
- 24°C
- Wind
- 15.8 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Oct 1 | 33°C | 27°C | 37°C 2015 | 22°C 2004 | 58% |
| Oct 2 | 33°C | 27°C | 36°C 1997 | 20°C 1992 | 58% |
| Oct 3 | 33°C | 27°C | 39°C 1983 | 21°C 1974 | 58% |
| Oct 4 | 33°C | 27°C | 36°C 1994 | 20°C 1969 | 59% |
| Oct 5 | 33°C | 27°C | 37°C 1967 | 21°C 1974 | 60% |
| Oct 6 | 32°C | 27°C | 37°C 1983 | 22°C 1992 | 60% |
| Oct 7 | 32°C | 27°C | 37°C 1967 | 20°C 1986 | 59% |
| Oct 8 | 32°C | 27°C | 37°C 1961 | 22°C 1992 | 59% |
| Oct 9 | 32°C | 27°C | 37°C 1997 | 21°C 1995 | 60% |
| Oct 10 | 32°C | 27°C | 36°C 1995 | 22°C 1974 | 61% |
| Oct 11 | 32°C | 27°C | 35°C 1963 | 20°C 1962 | 61% |
| Oct 12 | 32°C | 26°C | 36°C 1968 | 21°C 1974 | 61% |
| Oct 13 | 32°C | 26°C | 36°C 1995 | 23°C 1983 | 62% |
| Oct 14 | 32°C | 26°C | 36°C 1963 | 22°C 1974 | 61% |
| Oct 15 | 32°C | 26°C | 36°C 1963 | 21°C 1967 | 61% |
| Oct 16 | 32°C | 26°C | 37°C 1999 | 20°C 1967 | 62% |
| Oct 17 | 32°C | 26°C | 40°C 1993 | 22°C 1959 | 62% |
| Oct 18 | 32°C | 26°C | 35°C 1989 | 21°C 1977 | 62% |
| Oct 19 | 32°C | 26°C | 38°C 1983 | 21°C 1959 | 62% |
| Oct 20 | 32°C | 26°C | 35°C 1963 | 20°C 1987 | 62% |
| Oct 21 | 32°C | 26°C | 41°C 1993 | 22°C 2011 | 62% |
| Oct 22 | 32°C | 26°C | 37°C 1962 | 22°C 1964 | 61% |
| Oct 23 | 32°C | 26°C | 36°C 1988 | 21°C 1981 | 61% |
| Oct 24 | 32°C | 26°C | 36°C 1963 | 18°C 1978 | 60% |
| Oct 25 | 32°C | 26°C | 36°C 1962 | 22°C 1961 | 59% |
| Oct 26 | 32°C | 26°C | 36°C 1966 | 20°C 1993 | 58% |
| Oct 27 | 32°C | 26°C | 39°C 1989 | 20°C 1975 | 57% |
| Oct 28 | 32°C | 26°C | 36°C 1965 | 22°C 1965 | 55% |
| Oct 29 | 32°C | 26°C | 35°C 1962 | 22°C 1975 | 55% |
| Oct 30 | 32°C | 26°C | 35°C 1959 | 22°C 1987 | 53% |
| Oct 31 | 32°C | 26°C | 35°C 1962 | 21°C 1977 | 53% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-4).
- October 1
- sunrise 6:36 AM, sunset 6:37 PM
- October 31
- sunrise 6:38 AM, sunset 6:23 PM
Other months
Sources
Records: NOAA GHCN-Daily, station VEM00080407, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.