Is this weather normal in Summit County?

Colorado · county records since 1895, through September 2026.

Weather › Colorado › Summit County

Summit County is in extreme drought: NOAA's Palmer reading for September was -4.5. 11 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 43°, lows near 20°

That is the 1991 to 2020 average for these dates in Summit County. The Weather Service forecast fills in below.

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usual high for the datewarmercooler

The last 12 months

Oct: +1.7°OctNov: +5.8°NovDec: +7.7°DecJan 2026: +0.6°JanFeb: +5.4°FebMar: +8.8°MarApr: +1.3°AprMay: -0.6°MayJun: +2.6°JunJul: +3.3°JulAug: +3.9°AugSep: +3.1°Sepwarmercooler

Each bar is a month's average temperature against the usual for that month (1991 to 2020). Ranks compare the same month in every year since 1895.

Every year since 1895

18952025

Rain and drought

Oct: -0.4 inOctNov: -1.2 inNovDec: -0.3 inDecJan 2026: -1.0 inJanFeb: -0.7 inFebMar: -1.3 inMarApr: -1.1 inAprMay: -0.2 inMayJun: -0.9 inJunJul: +0.5 inJulAug: -0.7 inAugSep: +0.1 inSepwetterdrier

Rain and melted snow against the usual for each month. The drought reading is NOAA's Palmer index for the county.

Month by month in Summit County

MonthUsual high / lowUsual rainWarmestColdest
January29° / 8°2.3 in23.9° 19547.0° 1937
February31° / 9°2.3 in27.4° 19078.1° 1903
March39° / 15°2.5 in35.6° 202615.6° 1965
April45° / 21°3.1 in38.7° 194325.1° 1920
May55° / 29°2.3 in47.7° 193435.7° 1907
June65° / 37°1.3 in55.6° 201245.7° 1951
July70° / 42°2.0 in59.9° 190150.3° 1895
August68° / 41°2.0 in58.3° 202649.8° 1927
September61° / 35°1.8 in51.7° 199841.3° 1912
October49° / 26°1.9 in43.4° 196330.6° 1984
November37° / 15°2.1 in33.6° 201717.1° 1979
December29° / 8°2.1 in27.9° 19809.5° 1913

Warmest and coldest are the month's whole-month average temperature, with the year it happened.

Towns in Summit County

Crime Radar: Breckenridge, Vail, Silverthorne, Frisco

Nearby counties