Blue River Weather in May
Average highs run from 43°F on May 1 to 55°F on May 31, and lows from 19°F to 30°F. Normal precipitation for the month is 1.97 in over about 10 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
- 49°F
- Average low
- 25°F
- Precipitation
- 1.97 in
- Snowfall
- 18.9 in
- Record high
- 71°FMay 31, 2002
- Record low
- -10°FMay 14, 1896
- Chance of a freeze
- 100%
- Daylight
- 13 h 53 min to 14 h 45 min
- Cloud cover
- 66%
- Humidity
- 66%
- Dew point
- 25°F
- Wind
- 5.6 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 | 43°F | 19°F | 58°F 1992 | -8°F 1993 | 40% | 37% |
| May 2 | 44°F | 20°F | 59°F 1981 | -5°F 1993 | 39% | 36% |
| May 3 | 44°F | 20°F | 57°F 1985 | -6°F 1993 | 39% | 36% |
| May 4 | 44°F | 20°F | 56°F 2000 | 5°F 1973 | 38% | 35% |
| May 5 | 45°F | 21°F | 60°F 2000 | 3°F 1953 | 38% | 34% |
| May 6 | 45°F | 21°F | 60°F 2000 | 0°F 1993 | 37% | 34% |
| May 7 | 45°F | 21°F | 60°F 2017 | 3°F 1993 | 37% | 33% |
| May 8 | 46°F | 22°F | 59°F 1989 | 3°F 2024 | 36% | 32% |
| May 9 | 46°F | 22°F | 59°F 1954 | 3°F 1990 | 36% | 31% |
| May 10 | 46°F | 23°F | 58°F 1977 | 9°F 1993 | 35% | 30% |
| May 11 | 47°F | 23°F | 58°F 2018 | 0°F 1953 | 35% | 30% |
| May 12 | 47°F | 23°F | 60°F 2007 | 6°F 1979 | 34% | 29% |
| May 13 | 47°F | 24°F | 63°F 2026 | 5°F 1896 | 34% | 28% |
| May 14 | 48°F | 24°F | 62°F 2026 | -10°F 1896 | 33% | 27% |
| May 15 | 48°F | 24°F | 58°F 1978 | 12°F 1968 | 33% | 26% |
| May 16 | 49°F | 25°F | 60°F 2012 | 14°F 1957 | 32% | 25% |
| May 17 | 49°F | 25°F | 61°F 2018 | 11°F 1995 | 32% | 25% |
| May 18 | 49°F | 25°F | 70°F 2012 | 12°F 1980 | 31% | 24% |
| May 19 | 50°F | 26°F | 67°F 2020 | 11°F 1960 | 31% | 23% |
| May 20 | 50°F | 26°F | 63°F 2020 | 11°F 1960 | 31% | 23% |
| May 21 | 51°F | 26°F | 65°F 2005 | 5°F 1977 | 30% | 22% |
| May 22 | 51°F | 27°F | 68°F 2005 | 7°F 1977 | 30% | 21% |
| May 23 | 52°F | 27°F | 64°F 2005 | 11°F 1987 | 30% | 20% |
| May 24 | 52°F | 27°F | 64°F 1990 | 11°F 1994 | 30% | 20% |
| May 25 | 53°F | 28°F | 61°F 2005 | 11°F 1980 | 29% | 19% |
| May 26 | 53°F | 28°F | 67°F 2018 | 14°F 2012 | 29% | 18% |
| May 27 | 53°F | 28°F | 66°F 2018 | 9°F 1978 | 29% | 18% |
| May 28 | 54°F | 29°F | 68°F 2018 | 7°F 1978 | 29% | 17% |
| May 29 | 54°F | 29°F | 66°F 2010 | 14°F 1973 | 28% | 16% |
| May 30 | 55°F | 29°F | 68°F 2000 | 15°F 2004 | 28% | 16% |
| May 31 | 55°F | 30°F | 71°F 2002 | 11°F 1975 | 28% | 15% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:05 AM, sunset 7:58 PM
- May 31
- sunrise 5:40 AM, sunset 8:25 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00051660 (Climax), public domain. Records: NOAA GHCN-Daily, station USC00051660, 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.