Oro Valley Weather in May
Average highs run from 85°F on May 1 to 97°F on May 31, and lows from 47°F to 53°F. Normal precipitation for the month is 0.20 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
- 91°F
- Average low
- 51°F
- Precipitation
- 0.20 in
- Record high
- 108°FMay 13, 1996
- Record low
- 33°FMay 12, 2014
- Chance of a freeze
- 3%
- Days of 90°F or more
- 19.1
- Daylight
- 13 h 28 min to 14 h 08 min
- Cloud cover
- 25%
- Humidity
- 23%
- Dew point
- 31°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 | 85°F | 47°F | 101°F 2023 | 42°F 2011 | |
| May 2 | 86°F | 48°F | 97°F 1992 | 44°F 2014 | |
| May 3 | 86°F | 48°F | 102°F 1986 | 44°F 1988 | |
| May 4 | 86°F | 48°F | 100°F 1986 | 43°F 2013 | |
| May 5 | 87°F | 48°F | 100°F 2016 | 45°F 2012 | |
| May 6 | 87°F | 49°F | 100°F 1989 | 47°F 2007 | |
| May 7 | 87°F | 49°F | 102°F 1989 | 41°F 2014 | |
| May 8 | 88°F | 49°F | 105°F 2018 | 34°F 2014 | |
| May 9 | 88°F | 49°F | 105°F 1989 | 38°F 2014 | |
| May 10 | 88°F | 50°F | 105°F 2018 | 35°F 2014 | |
| May 11 | 89°F | 50°F | 102°F 2001 | 41°F 2014 | |
| May 12 | 89°F | 50°F | 106°F 1996 | 33°F 2014 | |
| May 13 | 89°F | 50°F | 108°F 1996 | 39°F 2014 | |
| May 14 | 90°F | 50°F | 103°F 1988 | 45°F 2008 | |
| May 15 | 90°F | 50°F | 101°F 1988 | 50°F 1998 | |
| May 16 | 91°F | 51°F | 102°F 2012 | 54°F 1989 | |
| May 17 | 91°F | 51°F | 104°F 2012 | 47°F 2017 | |
| May 18 | 91°F | 51°F | 104°F 2003 | 46°F 2013 | |
| May 19 | 92°F | 51°F | 104°F 2009 | 46°F 2013 | |
| May 20 | 92°F | 51°F | 103°F 2008 | 43°F 2013 | |
| May 21 | 93°F | 51°F | 105°F 2005 | 46°F 2013 | |
| May 22 | 93°F | 52°F | 107°F 2005 | 40°F 2014 | |
| May 23 | 94°F | 52°F | 108°F 2005 | 42°F 2014 | |
| May 24 | 94°F | 52°F | 107°F 2005 | 43°F 2014 | |
| May 25 | 94°F | 52°F | 105°F 2001 | 40°F 2014 | |
| May 26 | 95°F | 52°F | 105°F 2001 | 51°F 2008 | |
| May 27 | 95°F | 53°F | 105°F 1983 | 46°F 2013 | |
| May 28 | 96°F | 53°F | 108°F 1983 | 41°F 2008 | |
| May 29 | 96°F | 53°F | 107°F 1984 | 42°F 2013 | |
| May 30 | 97°F | 53°F | 104°F 1984 | 45°F 2016 | |
| May 31 | 97°F | 53°F | 105°F 2002 | 47°F 2016 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (MST).
- May 1
- sunrise 5:37 AM, sunset 7:05 PM
- May 31
- sunrise 5:18 AM, sunset 7:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00021357 (Catalina SP), public domain. Records: NOAA GHCN-Daily, station USC00028795, 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.