Window Rock Weather in May
Average highs run from 69°F on May 1 to 80°F on May 31, and lows from 33°F to 40°F. Normal precipitation for the month is 0.57 in over about 4 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
- 74°F
- Average low
- 36°F
- Precipitation
- 0.57 in
- Snowfall
- 1.1 in
- Record high
- 92°FMay 31, 2002
- Record low
- 13°FMay 2, 2008
- Chance of a freeze
- 98%
- Daylight
- 13 h 39 min to 14 h 24 min
- Cloud cover
- 39%
- Humidity
- 35%
- Dew point
- 26°F
- Wind
- 11.2 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 | 69°F | 33°F | 83°F 2021 | 19°F 2010 | 15% | 6% |
| May 2 | 69°F | 33°F | 80°F 2020 | 13°F 2008 | 15% | 6% |
| May 3 | 69°F | 33°F | 80°F 2000 | 14°F 2011 | 15% | 6% |
| May 4 | 70°F | 33°F | 80°F 2000 | 21°F 2013 | 15% | 5% |
| May 5 | 70°F | 34°F | 83°F 2017 | 25°F 2002 | 15% | 5% |
| May 6 | 70°F | 34°F | 85°F 2020 | 22°F 1999 | 14% | 5% |
| May 7 | 71°F | 34°F | 83°F 2018 | 19°F 2026 | 14% | 5% |
| May 8 | 71°F | 34°F | 87°F 2018 | 28°F 2024 | 14% | 4% |
| May 9 | 71°F | 35°F | 87°F 2018 | 26°F 2013 | 14% | 4% |
| May 10 | 72°F | 35°F | 88°F 2018 | 18°F 2003 | 14% | 4% |
| May 11 | 72°F | 35°F | 83°F 2026 | 21°F 2003 | 14% | 4% |
| May 12 | 72°F | 35°F | 87°F 2026 | 19°F 2010 | 14% | 3% |
| May 13 | 73°F | 36°F | 85°F 2006 | 18°F 2000 | 14% | 3% |
| May 14 | 73°F | 36°F | 84°F 2022 | 20°F 2014 | 14% | 3% |
| May 15 | 74°F | 36°F | 89°F 2022 | 23°F 2025 | 14% | 3% |
| May 16 | 74°F | 36°F | 84°F 2022 | 27°F 2010 | 14% | 2% |
| May 17 | 74°F | 37°F | 84°F 2003 | 27°F 1999 | 14% | 2% |
| May 18 | 75°F | 37°F | 85°F 2022 | 27°F 1999 | 14% | 2% |
| May 19 | 75°F | 37°F | 86°F 2008 | 29°F 2025 | 13% | 2% |
| May 20 | 76°F | 37°F | 88°F 2005 | 19°F 2025 | 13% | 1% |
| May 21 | 76°F | 37°F | 87°F 2005 | 26°F 1999 | 13% | 1% |
| May 22 | 76°F | 38°F | 89°F 2005 | 22°F 2002 | 13% | 1% |
| May 23 | 77°F | 38°F | 89°F 2000 | 22°F 2002 | 13% | 1% |
| May 24 | 77°F | 38°F | 87°F 2000 | 23°F 2021 | 12% | 1% |
| May 25 | 78°F | 38°F | 86°F 2005 | 26°F 2010 | 12% | 1% |
| May 26 | 78°F | 39°F | 87°F 2022 | 29°F 2010 | 12% | 1% |
| May 27 | 79°F | 39°F | 88°F 2020 | 23°F 2012 | 12% | 0% |
| May 28 | 79°F | 39°F | 90°F 2014 | 25°F 2012 | 11% | 0% |
| May 29 | 79°F | 39°F | 91°F 2000 | 25°F 2006 | 11% | 0% |
| May 30 | 80°F | 40°F | 91°F 2002 | 28°F 2006 | 11% | 0% |
| May 31 | 80°F | 40°F | 92°F 2002 | 24°F 2011 | 11% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:24 AM, sunset 8:03 PM
- May 31
- sunrise 6:02 AM, sunset 8:26 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00003029 (Window Rock AP), public domain. Records: NOAA GHCN-Daily, station USW00003029, 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.