Is this weather normal in Delta County?

Colorado · county records since 1895, through September 2026.

Weather › Colorado › Delta County

Delta County is in extreme drought: NOAA's Palmer reading for September was -6.9. Every one of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 54°, lows near 30°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +1.0°OctNov: +5.4°NovDec: +7.7°DecJan 2026: +0.9°JanFeb: +4.9°FebMar: +9.3°MarApr: +1.1°AprMay: +0.7°MayJun: +3.5°JunJul: +3.4°JulAug: +4.2°AugSep: +2.1°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: +1.1 inOctNov: -0.6 inNovDec: -0.9 inDecJan 2026: -0.6 inJanFeb: -0.3 inFebMar: -1.1 inMarApr: +0.3 inAprMay: -0.7 inMayJun: -0.5 inJunJul: -0.5 inJulAug: -0.4 inAugSep: +1.3 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 Delta County

MonthUsual high / lowUsual rainWarmestColdest
January37° / 16°1.6 in33.2° 200512.6° 1963
February42° / 20°1.6 in37.4° 199514.8° 1933
March51° / 26°1.5 in48.1° 202627.3° 1917
April58° / 32°1.5 in50.8° 199236.1° 1920
May68° / 41°1.4 in58.7° 193445.8° 1917
June80° / 49°0.7 in68.9° 201257.5° 1945
July85° / 55°1.4 in74.7° 200363.6° 1902
August82° / 54°1.5 in72.6° 202060.9° 1968
September74° / 46°1.7 in64.1° 202250.9° 1912
October61° / 35°1.7 in54.0° 202440.1° 1969
November48° / 25°1.4 in43.7° 201727.0° 1938
December37° / 16°1.6 in34.8° 198013.9° 1909

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

Towns in Delta County

Crime Radar: Delta

Nearby counties