Tempe Junction Weather in May
Average highs run from 90°F on May 1 to 100°F on May 31, and lows from 55°F to 63°F. Normal precipitation for the month is 0.18 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
- 95°F
- Average low
- 59°F
- Precipitation
- 0.18 in
- Record high
- 113°FMay 26, 1951
- Record low
- 40°FMay 2, 1967
- Chance of a freeze
- 0%
- Days of 90°F or more
- 23.9
- Daylight
- 13 h 32 min to 14 h 13 min
- Cloud cover
- 25%
- Humidity
- 24%
- Dew point
- 33°F
- Wind
- 7.4 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 | 90°F | 55°F | 103°F 1985 | 43°F 1967 | 4% |
| May 2 | 91°F | 55°F | 104°F 1986 | 40°F 1967 | 4% |
| May 3 | 91°F | 56°F | 102°F 2014 | 42°F 1942 | 4% |
| May 4 | 91°F | 56°F | 103°F 2017 | 44°F 1935 | 4% |
| May 5 | 92°F | 56°F | 108°F 2017 | 45°F 1964 | 4% |
| May 6 | 92°F | 57°F | 106°F 2018 | 44°F 1964 | 4% |
| May 7 | 92°F | 57°F | 108°F 1989 | 46°F 1975 | 4% |
| May 8 | 92°F | 57°F | 110°F 1989 | 40°F 1965 | 4% |
| May 9 | 93°F | 58°F | 109°F 1934 | 45°F 1950 | 4% |
| May 10 | 93°F | 58°F | 111°F 1934 | 49°F 1953 | 4% |
| May 11 | 93°F | 58°F | 110°F 1934 | 49°F 1953 | 4% |
| May 12 | 94°F | 58°F | 109°F 1996 | 49°F 1942 | 4% |
| May 13 | 94°F | 59°F | 108°F 1978 | 42°F 1942 | 4% |
| May 14 | 94°F | 59°F | 106°F 1940 | 42°F 1942 | 4% |
| May 15 | 95°F | 59°F | 106°F 2012 | 50°F 1968 | 4% |
| May 16 | 95°F | 59°F | 106°F 1997 | 49°F 1955 | 4% |
| May 17 | 95°F | 60°F | 108°F 1970 | 44°F 1943 | 4% |
| May 18 | 96°F | 60°F | 107°F 1970 | 45°F 1943 | 4% |
| May 19 | 96°F | 60°F | 110°F 2008 | 46°F 1935 | 4% |
| May 20 | 96°F | 60°F | 108°F 2008 | 48°F 1948 | 4% |
| May 21 | 97°F | 60°F | 109°F 2005 | 52°F 1938 | 4% |
| May 22 | 97°F | 61°F | 109°F 2000 | 48°F 1962 | 4% |
| May 23 | 97°F | 61°F | 109°F 2001 | 49°F 1965 | 4% |
| May 24 | 98°F | 61°F | 109°F 1983 | 52°F 1944 | 3% |
| May 25 | 98°F | 61°F | 108°F 2001 | 48°F 1965 | 3% |
| May 26 | 98°F | 62°F | 113°F 1951 | 50°F 1965 | 3% |
| May 27 | 99°F | 62°F | 111°F 1951 | 53°F 1965 | 3% |
| May 28 | 99°F | 62°F | 113°F 1983 | 55°F 1946 | 3% |
| May 29 | 99°F | 62°F | 112°F 2020 | 51°F 1953 | 3% |
| May 30 | 100°F | 62°F | 111°F 2020 | 52°F 1942 | 3% |
| May 31 | 100°F | 63°F | 109°F 2001 | 50°F 1935 | 3% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (MST).
- May 1
- sunrise 5:39 AM, sunset 7:11 PM
- May 31
- sunrise 5:19 AM, sunset 7:32 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00028499 (Tempe Asu), public domain. Records: NOAA GHCN-Daily, station USW00023183, 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.