Sundance Weather in May
Average highs run from 57°F on May 1 to 68°F on May 31, and lows from 33°F to 45°F. Normal precipitation for the month is 3.47 in over about 13 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
- 63°F
- Average low
- 39°F
- Precipitation
- 3.47 in
- Snowfall
- 1.5 in
- Record high
- 98°FMay 15, 2018
- Record low
- 8°FMay 1, 1954
- Chance of a freeze
- 98%
- Daylight
- 14 h 14 min to 15 h 17 min
- Cloud cover
- 64%
- Humidity
- 60%
- Dew point
- 37°F
- Wind
- 9.4 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 | 57°F | 33°F | 88°F 1992 | 8°F 1954 | 41% | 9% |
| May 2 | 57°F | 34°F | 85°F 1947 | 10°F 1954 | 41% | 8% |
| May 3 | 58°F | 34°F | 91°F 1952 | 15°F 1954 | 41% | 8% |
| May 4 | 58°F | 34°F | 89°F 1966 | 10°F 1954 | 41% | 8% |
| May 5 | 58°F | 35°F | 89°F 2018 | 17°F 1967 | 41% | 7% |
| May 6 | 59°F | 35°F | 91°F 1966 | 21°F 1954 | 41% | 7% |
| May 7 | 59°F | 36°F | 87°F 2017 | 22°F 1954 | 41% | 6% |
| May 8 | 60°F | 36°F | 89°F 1992 | 22°F 2010 | 42% | 6% |
| May 9 | 60°F | 36°F | 86°F 1992 | 21°F 1968 | 42% | 5% |
| May 10 | 60°F | 37°F | 89°F 1961 | 21°F 1953 | 42% | 5% |
| May 11 | 61°F | 37°F | 87°F 2018 | 16°F 1968 | 42% | 5% |
| May 12 | 61°F | 38°F | 86°F 1955 | 10°F 1943 | 42% | 4% |
| May 13 | 62°F | 38°F | 86°F 1944 | 20°F 2004 | 42% | 4% |
| May 14 | 62°F | 39°F | 92°F 2001 | 22°F 1951 | 42% | 4% |
| May 15 | 62°F | 39°F | 98°F 2018 | 25°F 1953 | 42% | 3% |
| May 16 | 63°F | 39°F | 89°F 1972 | 28°F 2009 | 42% | 3% |
| May 17 | 63°F | 40°F | 92°F 1948 | 30°F 1992 | 42% | 3% |
| May 18 | 64°F | 40°F | 93°F 1948 | 26°F 1943 | 42% | 3% |
| May 19 | 64°F | 41°F | 90°F 1948 | 28°F 1942 | 42% | 3% |
| May 20 | 64°F | 41°F | 93°F 1964 | 23°F 2003 | 42% | 2% |
| May 21 | 65°F | 41°F | 89°F 1954 | 20°F 1963 | 42% | 2% |
| May 22 | 65°F | 42°F | 87°F 1948 | 24°F 1963 | 42% | 2% |
| May 23 | 65°F | 42°F | 89°F 2006 | 27°F 1957 | 42% | 2% |
| May 24 | 66°F | 43°F | 89°F 1967 | 22°F 2002 | 42% | 2% |
| May 25 | 66°F | 43°F | 86°F 1958 | 20°F 2002 | 42% | 1% |
| May 26 | 66°F | 43°F | 93°F 1969 | 26°F 1992 | 42% | 1% |
| May 27 | 67°F | 44°F | 98°F 1969 | 28°F 1992 | 42% | 1% |
| May 28 | 67°F | 44°F | 91°F 2006 | 29°F 1947 | 42% | 1% |
| May 29 | 67°F | 44°F | 92°F 2018 | 22°F 1947 | 42% | 1% |
| May 30 | 68°F | 45°F | 91°F 1958 | 27°F 1947 | 42% | 1% |
| May 31 | 68°F | 45°F | 87°F 2002 | 30°F 1956 | 42% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 5:48 AM, sunset 8:02 PM
- May 31
- sunrise 5:17 AM, sunset 8:34 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00488705 (Sundance), public domain. Records: NOAA GHCN-Daily, station USC00484760, 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.