Glenns Ferry Weather in May
Average highs run from 73°F on May 1 to 83°F on May 31, and lows from 41°F to 50°F. Normal precipitation for the month is 1.07 in.
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
- 79°F
- Average low
- 46°F
- Precipitation
- 1.07 in
- Record high
- 105°FMay 28, 2003
- Record low
- 25°FMay 7, 2010
- Chance of a freeze
- 51%
- Days of 90°F or more
- 4.3
- Daylight
- 14 h 07 min to 15 h 08 min
- Cloud cover
- 58%
- Humidity
- 50%
- Dew point
- 37°F
- Wind
- 8.3 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 | 73°F | 41°F | 92°F 1998 | 30°F 2013 | |
| May 2 | 74°F | 41°F | 96°F 1985 | 26°F 2008 | |
| May 3 | 74°F | 42°F | 93°F 1998 | 27°F 2006 | |
| May 4 | 74°F | 42°F | 90°F 2004 | 30°F 2007 | |
| May 5 | 75°F | 42°F | 91°F 1992 | 29°F 1985 | |
| May 6 | 75°F | 42°F | 94°F 1992 | 29°F 1999 | |
| May 7 | 76°F | 43°F | 94°F 1989 | 25°F 2010 | |
| May 8 | 76°F | 43°F | 95°F 1987 | 28°F 2002 | |
| May 9 | 76°F | 43°F | 91°F 1987 | 29°F 2002 | |
| May 10 | 77°F | 44°F | 94°F 1987 | 29°F 2008 | |
| May 11 | 77°F | 44°F | 90°F 2007 | 29°F 1999 | |
| May 12 | 77°F | 44°F | 93°F 1993 | 29°F 1999 | |
| May 13 | 78°F | 45°F | 95°F 1988 | 30°F 1983 | |
| May 14 | 78°F | 45°F | 93°F 1997 | 30°F 2017 | |
| May 15 | 79°F | 45°F | 95°F 1987 | 30°F 1986 | |
| May 16 | 79°F | 46°F | 97°F 1997 | 34°F 1990 | |
| May 17 | 79°F | 46°F | 96°F 1988 | 31°F 1986 | |
| May 18 | 79°F | 46°F | 97°F 1992 | 35°F 1998 | |
| May 19 | 80°F | 47°F | 96°F 2009 | 27°F 2003 | |
| May 20 | 80°F | 47°F | 93°F 1986 | 30°F 2003 | |
| May 21 | 80°F | 47°F | 92°F 2012 | 32°F 2009 | |
| May 22 | 81°F | 47°F | 90°F 2003 | 34°F 1987 | |
| May 23 | 81°F | 48°F | 94°F 1988 | 31°F 1986 | |
| May 24 | 81°F | 48°F | 96°F 2001 | 34°F 1986 | |
| May 25 | 81°F | 48°F | 98°F 2001 | 32°F 2010 | |
| May 26 | 82°F | 49°F | 96°F 2001 | 35°F 1989 | |
| May 27 | 82°F | 49°F | 98°F 1986 | 35°F 1998 | |
| May 28 | 82°F | 49°F | 105°F 2003 | 33°F 1991 | |
| May 29 | 82°F | 49°F | 100°F 2003 | 36°F 2006 | |
| May 30 | 83°F | 49°F | 98°F 1986 | 34°F 2010 | |
| May 31 | 83°F | 50°F | 98°F 1986 | 39°F 1988 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:35 AM, sunset 8:42 PM
- May 31
- sunrise 6:05 AM, sunset 9:13 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00103631 (Glenns Ferry), public domain. Records: NOAA GHCN-Daily, station USC00103932, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.