Council Weather in May
Average highs run from 67°F on May 1 to 76°F on May 31, and lows from 38°F to 46°F. Normal precipitation for the month is 2.37 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
- 72°F
- Average low
- 42°F
- Precipitation
- 2.37 in
- Snowfall
- 0.4 in
- Record high
- 87°FMay 30, 2020
- Record low
- 16°FMay 1, 2008
- Chance of a freeze
- 73%
- Days of 90°F or more
- 1.5
- Daylight
- 14 h 16 min to 15 h 20 min
- Cloud cover
- 59%
- Humidity
- 63%
- Dew point
- 37°F
- Wind
- 5.8 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 | 67°F | 38°F | 74°F 1998 | 16°F 2008 | 4% | |
| May 2 | 67°F | 38°F | 73°F 1998 | 16°F 2008 | 4% | |
| May 3 | 68°F | 39°F | 73°F 2023 | 21°F 2024 | 4% | |
| May 4 | 68°F | 39°F | 75°F 2017 | 20°F 2002 | 3% | |
| May 5 | 69°F | 39°F | 72°F 2016 | 22°F 1999 | 3% | |
| May 6 | 69°F | 40°F | 77°F 2021 | 21°F 2001 | 3% | |
| May 7 | 69°F | 40°F | 73°F 2013 | 20°F 2002 | 3% | |
| May 8 | 70°F | 40°F | 74°F 2013 | 18°F 2002 | 3% | |
| May 9 | 70°F | 40°F | 75°F 2013 | 21°F 2006 | 3% | |
| May 10 | 70°F | 41°F | 76°F 2013 | 21°F 1999 | 2% | |
| May 11 | 71°F | 41°F | 78°F 2013 | 21°F 1999 | 2% | |
| May 12 | 71°F | 41°F | 83°F 2026 | 25°F 2000 | 2% | |
| May 13 | 71°F | 42°F | 78°F 2013 | 18°F 2009 | 2% | |
| May 14 | 72°F | 42°F | 79°F 2012 | 22°F 2017 | 2% | |
| May 15 | 72°F | 42°F | 80°F 2006 | 25°F 2009 | 2% | |
| May 16 | 72°F | 43°F | 83°F 2006 | 24°F 1999 | 2% | |
| May 17 | 72°F | 43°F | 83°F 2008 | 22°F 2026 | 2% | |
| May 18 | 73°F | 43°F | 81°F 2006 | 21°F 2003 | 2% | |
| May 19 | 73°F | 43°F | 79°F 2002 | 18°F 2003 | 1% | |
| May 20 | 73°F | 44°F | 78°F 2023 | 23°F 2003 | 1% | |
| May 21 | 73°F | 44°F | 78°F 2023 | 23°F 2009 | 1% | |
| May 22 | 74°F | 44°F | 76°F 2001 | 28°F 2013 | 1% | |
| May 23 | 74°F | 44°F | 82°F 2001 | 23°F 2013 | 1% | |
| May 24 | 74°F | 45°F | 84°F 2001 | 24°F 2002 | 1% | |
| May 25 | 74°F | 45°F | 80°F 2026 | 26°F 2005 | 1% | |
| May 26 | 75°F | 45°F | 76°F 2001 | 28°F 2024 | 1% | |
| May 27 | 75°F | 45°F | 77°F 2003 | 28°F 1998 | 1% | |
| May 28 | 75°F | 45°F | 85°F 2003 | 24°F 1998 | 1% | |
| May 29 | 75°F | 46°F | 84°F 2020 | 25°F 2007 | 1% | |
| May 30 | 75°F | 46°F | 87°F 2020 | 26°F 2001 | 1% | |
| May 31 | 76°F | 46°F | 85°F 2025 | 27°F 2000 | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:35 AM, sunset 8:51 PM
- May 31
- sunrise 6:04 AM, sunset 9:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00102187 (Council), public domain. Records: NOAA GHCN-Daily, station USW00094182, 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.