Boron Weather in May
Average highs run from 79°F on May 1 to 90°F on May 31, and lows from 50°F to 58°F. Normal precipitation for the month is 0.14 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
- 84°F
- Average low
- 54°F
- Precipitation
- 0.14 in
- Record high
- 104°FMay 27, 2020
- Record low
- 32°FMay 21, 1908
- Chance of a freeze
- 0%
- Days of 90°F or more
- 6.5
- Daylight
- 13 h 36 min to 14 h 21 min
- Cloud cover
- 26%
- Humidity
- 40%
- Dew point
- 36°F
- Wind
- 11.0 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 | 79°F | 50°F | 90°F 1981 | 35°F 1967 | 4% | 0% |
| May 2 | 80°F | 50°F | 94°F 1966 | 34°F 1908 | 4% | 0% |
| May 3 | 80°F | 50°F | 95°F 2004 | 34°F 1908 | 4% | 0% |
| May 4 | 80°F | 51°F | 96°F 1909 | 38°F 1975 | 4% | 0% |
| May 5 | 81°F | 51°F | 95°F 1909 | 38°F 1975 | 4% | 0% |
| May 6 | 81°F | 51°F | 96°F 1909 | 37°F 1973 | 4% | 0% |
| May 7 | 81°F | 51°F | 95°F 1906 | 35°F 1977 | 4% | 0% |
| May 8 | 82°F | 52°F | 95°F 2001 | 33°F 1908 | 4% | 0% |
| May 9 | 82°F | 52°F | 95°F 2001 | 37°F 2017 | 4% | 0% |
| May 10 | 82°F | 52°F | 93°F 1997 | 37°F 1985 | 4% | 0% |
| May 11 | 83°F | 53°F | 98°F 1904 | 39°F 2000 | 3% | 0% |
| May 12 | 83°F | 53°F | 98°F 1904 | 39°F 2010 | 3% | 0% |
| May 13 | 83°F | 53°F | 94°F 1976 | 37°F 1998 | 3% | 0% |
| May 14 | 84°F | 53°F | 98°F 1904 | 34°F 1977 | 3% | 0% |
| May 15 | 84°F | 54°F | 97°F 1904 | 38°F 1984 | 3% | 0% |
| May 16 | 84°F | 54°F | 98°F 1904 | 39°F 1908 | 3% | 0% |
| May 17 | 85°F | 54°F | 98°F 1904 | 36°F 1974 | 3% | 0% |
| May 18 | 85°F | 54°F | 98°F 1904 | 36°F 1977 | 3% | 0% |
| May 19 | 85°F | 55°F | 98°F 1904 | 36°F 1908 | 3% | 0% |
| May 20 | 86°F | 55°F | 98°F 1904 | 36°F 1972 | 3% | 0% |
| May 21 | 86°F | 55°F | 99°F 1904 | 32°F 1908 | 3% | 0% |
| May 22 | 87°F | 55°F | 100°F 1967 | 41°F 1971 | 3% | 0% |
| May 23 | 87°F | 56°F | 99°F 2000 | 38°F 2010 | 3% | 0% |
| May 24 | 87°F | 56°F | 99°F 2000 | 38°F 1980 | 3% | 0% |
| May 25 | 88°F | 56°F | 99°F 2017 | 42°F 1980 | 2% | 0% |
| May 26 | 88°F | 57°F | 101°F 2020 | 39°F 1908 | 2% | 0% |
| May 27 | 88°F | 57°F | 104°F 2020 | 39°F 1977 | 2% | 0% |
| May 28 | 89°F | 57°F | 104°F 2003 | 38°F 2010 | 2% | 0% |
| May 29 | 89°F | 57°F | 101°F 1984 | 42°F 1971 | 2% | 0% |
| May 30 | 89°F | 58°F | 101°F 1984 | 45°F 2020 | 2% | 0% |
| May 31 | 90°F | 58°F | 101°F 2001 | 45°F 1966 | 2% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:00 AM, sunset 7:36 PM
- May 31
- sunrise 5:38 AM, sunset 7:59 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00047253 (Randsburg), public domain. Records: NOAA GHCN-Daily, station USC00045756, 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.