Nez Perce County Weather in May
Average highs run from 56°F on May 1 to 63°F on May 31, and lows from 35°F to 41°F. Normal precipitation for the month is 2.76 in over about 14 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
- 60°F
- Average low
- 39°F
- Precipitation
- 2.76 in
- Snowfall
- 1.6 in
- Record high
- 100°FMay 29, 1983
- Record low
- 23°FMay 1, 1954
- Chance of a freeze
- 93%
- Daylight
- 14 h 23 min to 15 h 32 min
- Cloud cover
- 62%
- Humidity
- 70%
- Dew point
- 42°F
- Wind
- 4.9 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 | 56°F | 35°F | 87°F 1998 | 23°F 1954 | 48% | 12% |
| May 2 | 56°F | 35°F | 87°F 1966 | 28°F 1954 | 48% | 11% |
| May 3 | 57°F | 36°F | 91°F 1966 | 32°F 1969 | 48% | 11% |
| May 4 | 57°F | 36°F | 93°F 1966 | 33°F 1949 | 47% | 10% |
| May 5 | 57°F | 36°F | 96°F 1966 | 32°F 1982 | 47% | 10% |
| May 6 | 58°F | 36°F | 92°F 2021 | 33°F 1950 | 47% | 9% |
| May 7 | 58°F | 37°F | 93°F 1987 | 33°F 2003 | 47% | 9% |
| May 8 | 58°F | 37°F | 93°F 2007 | 34°F 1999 | 46% | 8% |
| May 9 | 59°F | 37°F | 90°F 1987 | 33°F 1955 | 46% | 8% |
| May 10 | 59°F | 37°F | 93°F 2013 | 33°F 1999 | 46% | 7% |
| May 11 | 59°F | 38°F | 94°F 1993 | 34°F 1983 | 46% | 7% |
| May 12 | 59°F | 38°F | 96°F 1988 | 31°F 1985 | 46% | 6% |
| May 13 | 60°F | 38°F | 89°F 1973 | 32°F 1955 | 46% | 6% |
| May 14 | 60°F | 38°F | 94°F 1973 | 32°F 1955 | 46% | 6% |
| May 15 | 60°F | 39°F | 95°F 2006 | 36°F 1974 | 46% | 5% |
| May 16 | 60°F | 39°F | 96°F 2006 | 34°F 1983 | 46% | 5% |
| May 17 | 61°F | 39°F | 97°F 2006 | 37°F 1974 | 46% | 5% |
| May 18 | 61°F | 39°F | 97°F 2006 | 34°F 1965 | 46% | 4% |
| May 19 | 61°F | 39°F | 92°F 2023 | 37°F 1951 | 46% | 4% |
| May 20 | 61°F | 40°F | 95°F 2023 | 39°F 1960 | 46% | 4% |
| May 21 | 61°F | 40°F | 91°F 1958 | 35°F 1960 | 46% | 3% |
| May 22 | 62°F | 40°F | 93°F 1958 | 32°F 1960 | 47% | 3% |
| May 23 | 62°F | 40°F | 96°F 1985 | 34°F 1964 | 47% | 3% |
| May 24 | 62°F | 40°F | 93°F 2003 | 37°F 1950 | 47% | 3% |
| May 25 | 62°F | 40°F | 93°F 1992 | 35°F 1955 | 47% | 3% |
| May 26 | 62°F | 41°F | 95°F 1958 | 39°F 1967 | 46% | 2% |
| May 27 | 62°F | 41°F | 95°F 1958 | 38°F 1973 | 46% | 2% |
| May 28 | 63°F | 41°F | 98°F 1983 | 37°F 1955 | 46% | 2% |
| May 29 | 63°F | 41°F | 100°F 1983 | 35°F 1951 | 46% | 2% |
| May 30 | 63°F | 41°F | 99°F 1986 | 32°F 1951 | 46% | 2% |
| May 31 | 63°F | 41°F | 98°F 1986 | 34°F 1951 | 46% | 2% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 5:33 AM, sunset 7:56 PM
- May 31
- sunrise 4:59 AM, sunset 8:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00109846 (Winchester), public domain. Records: NOAA GHCN-Daily, station USW00024149, 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.