Drain Weather in January
Average highs run from 49°F on January 1 to 52°F on January 31, and lows from 34°F to 35°F. Normal precipitation for the month is 7.31 in over about 20 wet days.
January day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
January at a glance
- Average high
- 51°F
- Average low
- 35°F
- Precipitation
- 7.31 in
- Record high
- 71°FJan 18, 2018
- Record low
- -2°FJan 26, 1957
- Chance of a freeze
- 97%
- Daylight
- 9 h 00 min to 9 h 52 min
- Cloud cover
- 74%
- Humidity
- 93%
- Dew point
- 40°F
- Wind
- 5.1 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 |
|---|---|---|---|---|---|---|
| Jan 1 | 49°F | 34°F | 62°F 1927 | 0°F 1924 | 65% | 1% |
| Jan 2 | 49°F | 34°F | 62°F 1927 | 3°F 1924 | 65% | 1% |
| Jan 3 | 49°F | 34°F | 62°F 1994 | 6°F 1950 | 65% | 1% |
| Jan 4 | 49°F | 34°F | 66°F 2012 | 11°F 1974 | 65% | 1% |
| Jan 5 | 49°F | 34°F | 64°F 2001 | 11°F 2017 | 65% | 1% |
| Jan 6 | 49°F | 34°F | 61°F 1928 | 6°F 1974 | 65% | 1% |
| Jan 7 | 49°F | 35°F | 66°F 1927 | 6°F 1937 | 65% | 1% |
| Jan 8 | 49°F | 35°F | 65°F 1953 | 3°F 1937 | 65% | 1% |
| Jan 9 | 50°F | 35°F | 64°F 1990 | 5°F 1974 | 65% | 1% |
| Jan 10 | 50°F | 35°F | 61°F 2019 | 6°F 1974 | 65% | 1% |
| Jan 11 | 50°F | 35°F | 63°F 1953 | 6°F 1949 | 64% | 1% |
| Jan 12 | 50°F | 35°F | 60°F 1945 | 5°F 1937 | 64% | 1% |
| Jan 13 | 50°F | 35°F | 66°F 1968 | 8°F 1930 | 64% | 1% |
| Jan 14 | 50°F | 35°F | 66°F 1994 | 16°F 1949 | 64% | 1% |
| Jan 15 | 50°F | 35°F | 65°F 1958 | 12°F 1917 | 64% | 1% |
| Jan 16 | 51°F | 35°F | 62°F 1923 | 11°F 1917 | 64% | 1% |
| Jan 17 | 51°F | 35°F | 66°F 1981 | 12°F 1917 | 64% | 1% |
| Jan 18 | 51°F | 35°F | 71°F 2018 | 13°F 1943 | 63% | 1% |
| Jan 19 | 51°F | 35°F | 63°F 1944 | 10°F 1922 | 63% | 1% |
| Jan 20 | 51°F | 35°F | 66°F 1968 | 1°F 1962 | 63% | 1% |
| Jan 21 | 51°F | 35°F | 64°F 1925 | 5°F 1930 | 63% | 1% |
| Jan 22 | 51°F | 35°F | 68°F 1931 | -1°F 1962 | 63% | 1% |
| Jan 23 | 51°F | 35°F | 63°F 1931 | 3°F 1962 | 63% | 1% |
| Jan 24 | 52°F | 35°F | 66°F 2015 | -1°F 1949 | 63% | 1% |
| Jan 25 | 52°F | 35°F | 64°F 1993 | 1°F 1949 | 62% | 1% |
| Jan 26 | 52°F | 35°F | 65°F 2015 | -2°F 1957 | 62% | 1% |
| Jan 27 | 52°F | 35°F | 68°F 1931 | -2°F 1957 | 62% | 1% |
| Jan 28 | 52°F | 35°F | 68°F 2016 | 4°F 1957 | 62% | 1% |
| Jan 29 | 52°F | 35°F | 67°F 1992 | 0°F 1980 | 62% | 1% |
| Jan 30 | 52°F | 35°F | 67°F 2024 | 4°F 1980 | 62% | 1% |
| Jan 31 | 52°F | 35°F | 68°F 2024 | 9°F 1950 | 61% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PST).
- January 1
- sunrise 7:47 AM, sunset 4:47 PM
- January 31
- sunrise 7:31 AM, sunset 5:23 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00352406 (Drain), public domain. Records: NOAA GHCN-Daily, station USC00351897, 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.