Coldest Mays in Montana since 1895

Written by:
May 5, 2026
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Coldest Mays in Montana since 1895

compiled a ranking of the coldest Mays in Montana since 1895 using data from the . Rankings are based on the lowest average temperature in each month. For each of the coldest months listed below, we've included the average state temperature, state-wide highs and lows for the month, and the total precipitation.

#10. May 1950
- Average temperature: 46.5°F
- Monthly high temperature: 58.9°F
- Monthly low temperature: 34°F
- Total precipitation: 1.18"

#8. May 2010 (tie)
- Average temperature: 46.3°F
- Monthly high temperature: 57.7°F
- Monthly low temperature: 34.8°F
- Total precipitation: 3.93"

#8. May 1953 (tie)
- Average temperature: 46.3°F
- Monthly high temperature: 57.8°F
- Monthly low temperature: 34.9°F
- Total precipitation: 4.11"

#7. May 1959
- Average temperature: 46.2°F
- Monthly high temperature: 58.1°F
- Monthly low temperature: 34.2°F
- Total precipitation: 2.44"

#6. May 1974
- Average temperature: 46.1°F
- Monthly high temperature: 57.2°F
- Monthly low temperature: 35.1°F
- Total precipitation: 3.33"

#5. May 1996
- Average temperature: 45.9°F
- Monthly high temperature: 55.8°F
- Monthly low temperature: 36°F
- Total precipitation: 3.6"

#4. May 1916
- Average temperature: 45.7°F
- Monthly high temperature: 57.4°F
- Monthly low temperature: 33.9°F
- Total precipitation: 2.45"

#3. May 1899
- Average temperature: 45.4°F
- Monthly high temperature: 56.1°F
- Monthly low temperature: 34.7°F
- Total precipitation: 3.2"

#1. May 1927 (tie)
- Average temperature: 45°F
- Monthly high temperature: 54.1°F
- Monthly low temperature: 35.8°F
- Total precipitation: 5.75"

#1. May 1907 (tie)
- Average temperature: 45°F
- Monthly high temperature: 56°F
- Monthly low temperature: 34.1°F
- Total precipitation: 2.6"

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