Coldest Mays in Oregon since 1895

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

compiled a ranking of the coldest Mays in Oregon 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 1953 (tie)
- Average temperature: 46.8°F
- Monthly high temperature: 57.3°F
- Monthly low temperature: 36.2°F
- Total precipitation: 4.28"

#10. May 1917 (tie)
- Average temperature: 46.8°F
- Monthly high temperature: 57°F
- Monthly low temperature: 36.5°F
- Total precipitation: 2.52"

#9. May 2011
- Average temperature: 46.5°F
- Monthly high temperature: 57.6°F
- Monthly low temperature: 35.5°F
- Total precipitation: 3.4"

#8. May 2010
- Average temperature: 46.4°F
- Monthly high temperature: 57.4°F
- Monthly low temperature: 35.5°F
- Total precipitation: 3.02"

#7. May 1977
- Average temperature: 46.2°F
- Monthly high temperature: 56.2°F
- Monthly low temperature: 36.3°F
- Total precipitation: 3.72"

#6. May 1911
- Average temperature: 46°F
- Monthly high temperature: 57.1°F
- Monthly low temperature: 34.8°F
- Total precipitation: 2.76"

#5. May 1933
- Average temperature: 45.8°F
- Monthly high temperature: 56°F
- Monthly low temperature: 35.6°F
- Total precipitation: 3.14"

#3. May 1916 (tie)
- Average temperature: 45.7°F
- Monthly high temperature: 57.1°F
- Monthly low temperature: 34.4°F
- Total precipitation: 2.69"

#3. May 1908 (tie)
- Average temperature: 45.7°F
- Monthly high temperature: 57.6°F
- Monthly low temperature: 33.9°F
- Total precipitation: 2.45"

#2. May 1896
- Average temperature: 45.2°F
- Monthly high temperature: 55°F
- Monthly low temperature: 35.5°F
- Total precipitation: 4.64"

#1. May 1899
- Average temperature: 45°F
- Monthly high temperature: 55°F
- Monthly low temperature: 35°F
- Total precipitation: 2.53"

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