Idaho Springs Weather in May
Average highs run from 53°F on May 1 to 66°F on May 31, and lows from 30°F to 39°F. Normal precipitation for the month is 2.13 in over about 10 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
- 60°F
- Average low
- 35°F
- Precipitation
- 2.13 in
- Snowfall
- 6.6 in
- Record high
- 71°FMay 28, 2010
- Record low
- -1°FMay 2, 2013
- Chance of a freeze
- 100%
- Daylight
- 13 h 54 min to 14 h 48 min
- Cloud cover
- 66%
- Humidity
- 59%
- Dew point
- 26°F
- Wind
- 6.7 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 | 53°F | 30°F | 65°F 2020 | 3°F 2013 | 37% | 22% |
| May 2 | 54°F | 30°F | 56°F 2023 | -1°F 2013 | 37% | 21% |
| May 3 | 54°F | 30°F | 59°F 2012 | 10°F 2008 | 36% | 21% |
| May 4 | 54°F | 31°F | 65°F 2012 | 17°F 2021 | 36% | 20% |
| May 5 | 55°F | 31°F | 63°F 2004 | 18°F 2026 | 36% | 19% |
| May 6 | 55°F | 31°F | 64°F 2017 | 16°F 2026 | 36% | 18% |
| May 7 | 56°F | 32°F | 63°F 2022 | 15°F 2010 | 35% | 18% |
| May 8 | 56°F | 32°F | 61°F 2004 | 13°F 2010 | 35% | 17% |
| May 9 | 56°F | 32°F | 62°F 2018 | 17°F 2019 | 35% | 16% |
| May 10 | 57°F | 33°F | 66°F 2018 | 17°F 2019 | 35% | 16% |
| May 11 | 57°F | 33°F | 65°F 2022 | 17°F 2024 | 35% | 15% |
| May 12 | 58°F | 34°F | 66°F 2026 | 14°F 2014 | 34% | 14% |
| May 13 | 58°F | 34°F | 69°F 2026 | 9°F 2014 | 34% | 14% |
| May 14 | 59°F | 34°F | 63°F 2026 | 19°F 2014 | 34% | 13% |
| May 15 | 59°F | 35°F | 63°F 2026 | 23°F 2008 | 34% | 12% |
| May 16 | 60°F | 35°F | 65°F 2022 | 24°F 2015 | 34% | 12% |
| May 17 | 60°F | 35°F | 66°F 2018 | 25°F 2016 | 33% | 11% |
| May 18 | 60°F | 35°F | 68°F 2009 | 20°F 2017 | 33% | 10% |
| May 19 | 61°F | 36°F | 67°F 2020 | 18°F 2017 | 33% | 10% |
| May 20 | 61°F | 36°F | 70°F 2005 | 18°F 2022 | 33% | 9% |
| May 21 | 62°F | 36°F | 68°F 2005 | 16°F 2022 | 33% | 8% |
| May 22 | 62°F | 37°F | 68°F 2012 | 14°F 2022 | 33% | 8% |
| May 23 | 63°F | 37°F | 65°F 2005 | 23°F 2017 | 33% | 7% |
| May 24 | 63°F | 37°F | 64°F 2013 | 19°F 2007 | 33% | 7% |
| May 25 | 64°F | 37°F | 66°F 2018 | 23°F 2020 | 33% | 6% |
| May 26 | 64°F | 38°F | 68°F 2018 | 28°F 2019 | 33% | 6% |
| May 27 | 65°F | 38°F | 67°F 2010 | 28°F 2005 | 33% | 5% |
| May 28 | 65°F | 38°F | 71°F 2010 | 27°F 2019 | 33% | 5% |
| May 29 | 65°F | 38°F | 71°F 2020 | 26°F 2019 | 33% | 5% |
| May 30 | 66°F | 39°F | 66°F 2020 | 23°F 2004 | 33% | 4% |
| May 31 | 66°F | 39°F | 67°F 2020 | 26°F 2022 | 33% | 4% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (MDT).
- May 1
- sunrise 6:02 AM, sunset 7:56 PM
- May 31
- sunrise 5:36 AM, sunset 8:24 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00053261 (Georgetown), public domain. Records: NOAA GHCN-Daily, station USW00094075, 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.