Morongo Valley Weather in May
Average highs run from 76°F on May 1 to 84°F on May 31, and lows from 50°F to 59°F. Normal precipitation for the month is 0.07 in over about 1 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
- 80°F
- Average low
- 54°F
- Precipitation
- 0.07 in
- Record high
- 114°FMay 23, 2001
- Record low
- 47°FMay 1, 1999
- Chance of a freeze
- 0%
- Days of 90°F or more
- 3.4
- Daylight
- 13 h 33 min to 14 h 16 min
- Cloud cover
- 25%
- Humidity
- 36%
- Dew point
- 34°F
- Wind
- 8.9 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 | 76°F | 50°F | 103°F 2000 | 47°F 1999 | 4% | 0% |
| May 2 | 76°F | 50°F | 106°F 2017 | 56°F 2003 | 4% | 0% |
| May 3 | 77°F | 51°F | 106°F 2017 | 55°F 2023 | 4% | 0% |
| May 4 | 77°F | 51°F | 107°F 2017 | 55°F 1999 | 4% | 0% |
| May 5 | 77°F | 51°F | 106°F 2020 | 54°F 2023 | 3% | 0% |
| May 6 | 77°F | 51°F | 108°F 2020 | 54°F 1998 | 3% | 0% |
| May 7 | 77°F | 52°F | 110°F 2020 | 53°F 2017 | 3% | 0% |
| May 8 | 78°F | 52°F | 109°F 2001 | 54°F 2017 | 3% | 0% |
| May 9 | 78°F | 52°F | 109°F 2001 | 55°F 2003 | 3% | 0% |
| May 10 | 78°F | 52°F | 109°F 2025 | 53°F 2003 | 3% | 0% |
| May 11 | 78°F | 53°F | 107°F 2025 | 54°F 2005 | 3% | 0% |
| May 12 | 79°F | 53°F | 106°F 2013 | 53°F 1998 | 3% | 0% |
| May 13 | 79°F | 53°F | 108°F 2013 | 47°F 1998 | 3% | 0% |
| May 14 | 79°F | 54°F | 107°F 2013 | 47°F 1998 | 3% | 0% |
| May 15 | 80°F | 54°F | 108°F 2022 | 52°F 1998 | 3% | 0% |
| May 16 | 80°F | 54°F | 108°F 2014 | 51°F 2011 | 3% | 0% |
| May 17 | 80°F | 55°F | 108°F 2006 | 55°F 1998 | 2% | 0% |
| May 18 | 80°F | 55°F | 110°F 2008 | 58°F 1998 | 2% | 0% |
| May 19 | 81°F | 55°F | 113°F 2008 | 53°F 2011 | 2% | 0% |
| May 20 | 81°F | 55°F | 107°F 2005 | 57°F 2019 | 2% | 0% |
| May 21 | 81°F | 56°F | 110°F 2000 | 54°F 2002 | 2% | 0% |
| May 22 | 82°F | 56°F | 113°F 2000 | 56°F 2019 | 2% | 0% |
| May 23 | 82°F | 56°F | 114°F 2001 | 54°F 2019 | 2% | 0% |
| May 24 | 82°F | 57°F | 110°F 2001 | 50°F 2010 | 2% | 0% |
| May 25 | 82°F | 57°F | 110°F 2001 | 53°F 2008 | 2% | 0% |
| May 26 | 83°F | 57°F | 111°F 2020 | 54°F 2008 | 2% | 0% |
| May 27 | 83°F | 58°F | 110°F 2020 | 53°F 1998 | 2% | 0% |
| May 28 | 83°F | 58°F | 114°F 2003 | 57°F 2019 | 1% | 0% |
| May 29 | 84°F | 58°F | 107°F 2017 | 60°F 2008 | 1% | 0% |
| May 30 | 84°F | 59°F | 108°F 2002 | 55°F 2011 | 1% | 0% |
| May 31 | 84°F | 59°F | 114°F 2001 | 60°F 1999 | 1% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 5:57 AM, sunset 7:30 PM
- May 31
- sunrise 5:36 AM, sunset 7:52 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045860 (Morongo Valley N), public domain. Records: NOAA GHCN-Daily, station USW00093138, 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.