Trinity County Weather in May
Average highs run from 84°F on May 1 to 91°F on May 31, and lows from 59°F to 68°F.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 87°F
- Average low
- 64°F
- Record high
- 100°FMay 23, 2005
- Record low
- 37°FMay 4, 2013
- Chance of a freeze
- 0%
- Days of 90°F or more
- 8.6
- Daylight
- 13 h 24 min to 14 h 01 min
- Cloud cover
- 59%
- Humidity
- 75%
- Dew point
- 65°F
- Wind
- 4.7 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 |
|---|---|---|---|---|---|---|
| May 1 | 84°F | 59°F | 91°F 1981 | 40°F 1996 | 0% | |
| May 2 | 85°F | 60°F | 92°F 1981 | 42°F 2014 | 0% | |
| May 3 | 85°F | 60°F | 92°F 1917 | 42°F 1978 | 0% | |
| May 4 | 85°F | 60°F | 92°F 2010 | 37°F 2013 | 0% | |
| May 5 | 85°F | 61°F | 94°F 1906 | 41°F 2013 | 0% | |
| May 6 | 85°F | 61°F | 94°F 2010 | 45°F 2013 | 0% | |
| May 7 | 86°F | 61°F | 96°F 1984 | 42°F 1917 | 0% | |
| May 8 | 86°F | 61°F | 95°F 2007 | 42°F 1917 | 0% | |
| May 9 | 86°F | 62°F | 94°F 2011 | 43°F 1960 | 0% | |
| May 10 | 86°F | 62°F | 98°F 2008 | 46°F 1961 | 0% | |
| May 11 | 86°F | 62°F | 93°F 2011 | 42°F 1981 | 0% | |
| May 12 | 87°F | 63°F | 93°F 1967 | 43°F 1981 | 0% | |
| May 13 | 87°F | 63°F | 93°F 1915 | 43°F 1960 | 0% | |
| May 14 | 87°F | 63°F | 93°F 1915 | 46°F 1971 | 0% | |
| May 15 | 87°F | 64°F | 94°F 2007 | 45°F 1907 | 0% | |
| May 16 | 87°F | 64°F | 94°F 2007 | 45°F 1967 | 0% | |
| May 17 | 88°F | 64°F | 93°F 2010 | 45°F 1967 | 0% | |
| May 18 | 88°F | 64°F | 94°F 1963 | 50°F 1970 | 0% | |
| May 19 | 88°F | 65°F | 94°F 2013 | 50°F 1968 | 0% | |
| May 20 | 88°F | 65°F | 99°F 2008 | 50°F 2002 | 0% | |
| May 21 | 89°F | 65°F | 99°F 2008 | 50°F 1960 | 0% | |
| May 22 | 89°F | 66°F | 99°F 2008 | 51°F 2001 | 0% | |
| May 23 | 89°F | 66°F | 100°F 2005 | 51°F 2001 | 0% | |
| May 24 | 89°F | 66°F | 95°F 1912 | 53°F 2018 | 0% | |
| May 25 | 89°F | 66°F | 98°F 2008 | 52°F 1971 | 0% | |
| May 26 | 90°F | 67°F | 98°F 2008 | 52°F 1971 | 0% | |
| May 27 | 90°F | 67°F | 97°F 2008 | 49°F 1961 | 0% | |
| May 28 | 90°F | 67°F | 98°F 2011 | 47°F 1961 | 0% | |
| May 29 | 90°F | 67°F | 100°F 2011 | 54°F 1961 | 0% | |
| May 30 | 90°F | 68°F | 98°F 1996 | 51°F 1984 | 0% | |
| May 31 | 91°F | 68°F | 100°F 1911 | 50°F 1984 | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- May 1
- sunrise 6:36 AM, sunset 8:00 PM
- May 31
- sunrise 6:18 AM, sunset 8:19 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00413778 (Groveton), public domain. Records: NOAA GHCN-Daily, station USC00412114, 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.