Kittitas Weather in May
Average highs run from 65°F on May 1 to 72°F on May 31, and lows from 38°F to 46°F. Normal precipitation for the month is 0.81 in over about 7 wet days.
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
- 69°F
- Average low
- 42°F
- Precipitation
- 0.81 in
- Record high
- 99°FMay 17, 2006
- Record low
- 20°FMay 1, 1954
- Chance of a freeze
- 76%
- Daylight
- 14 h 26 min to 15 h 37 min
- Cloud cover
- 67%
- Humidity
- 66%
- Dew point
- 39°F
- Wind
- 6.0 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 |
|---|---|---|---|---|---|
| May 1 | 65°F | 38°F | 84°F 2004 | 20°F 1954 | 23% |
| May 2 | 65°F | 38°F | 84°F 2016 | 25°F 1948 | 23% |
| May 3 | 66°F | 38°F | 86°F 2023 | 27°F 2001 | 23% |
| May 4 | 66°F | 39°F | 85°F 2026 | 29°F 1955 | 23% |
| May 5 | 66°F | 39°F | 84°F 1945 | 25°F 1959 | 23% |
| May 6 | 67°F | 39°F | 87°F 2013 | 25°F 2001 | 23% |
| May 7 | 67°F | 40°F | 91°F 2013 | 28°F 2000 | 23% |
| May 8 | 67°F | 40°F | 91°F 2013 | 25°F 2002 | 23% |
| May 9 | 68°F | 40°F | 93°F 2013 | 28°F 2010 | 23% |
| May 10 | 68°F | 41°F | 94°F 2013 | 25°F 1999 | 23% |
| May 11 | 68°F | 41°F | 91°F 1949 | 30°F 1942 | 23% |
| May 12 | 69°F | 41°F | 91°F 1949 | 31°F 1942 | 24% |
| May 13 | 69°F | 42°F | 89°F 1949 | 31°F 1940 | 24% |
| May 14 | 69°F | 42°F | 91°F 2012 | 31°F 1955 | 24% |
| May 15 | 69°F | 42°F | 92°F 2006 | 32°F 2003 | 24% |
| May 16 | 70°F | 42°F | 98°F 2006 | 31°F 2003 | 24% |
| May 17 | 70°F | 43°F | 99°F 2006 | 33°F 1940 | 25% |
| May 18 | 70°F | 43°F | 98°F 2006 | 35°F 1943 | 25% |
| May 19 | 70°F | 43°F | 93°F 2023 | 27°F 2003 | 25% |
| May 20 | 71°F | 43°F | 92°F 2023 | 36°F 1953 | 25% |
| May 21 | 71°F | 44°F | 90°F 1958 | 33°F 2010 | 25% |
| May 22 | 71°F | 44°F | 93°F 1958 | 30°F 1953 | 25% |
| May 23 | 71°F | 44°F | 95°F 2001 | 33°F 1953 | 25% |
| May 24 | 71°F | 44°F | 90°F 1947 | 33°F 1950 | 24% |
| May 25 | 72°F | 45°F | 92°F 1947 | 36°F 1950 | 24% |
| May 26 | 72°F | 45°F | 94°F 1947 | 31°F 1999 | 24% |
| May 27 | 72°F | 45°F | 90°F 1947 | 32°F 1940 | 24% |
| May 28 | 72°F | 45°F | 93°F 2005 | 31°F 1954 | 24% |
| May 29 | 72°F | 45°F | 94°F 2009 | 33°F 2021 | 24% |
| May 30 | 72°F | 46°F | 91°F 2009 | 35°F 1946 | 24% |
| May 31 | 72°F | 46°F | 92°F 2007 | 35°F 1953 | 24% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 5:46 AM, sunset 8:12 PM
- May 31
- sunrise 5:11 AM, sunset 8:48 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00452505 (Ellensburg), public domain. Records: NOAA GHCN-Daily, station USW00024220, 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.