Is this weather normal in DeKalb County?

Tennessee · county records since 1895, through September 2026.

Weather › Tennessee › DeKalb County

DeKalb County just had its 3rd-warmest September in 132 years, +6° against the usual. 10 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 66°, lows near 41°

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

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usual high for the datewarmercooler

The last 12 months

Oct: +1.3°OctNov: +2.9°NovDec: -0.2°DecJan 2026: -1.7°JanFeb: +0.6°FebMar: +8.0°MarApr: +5.9°AprMay: +0.2°MayJun: +0.1°JunJul: +1.1°JulAug: +1.3°AugSep: +6.1°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: -0.8 inNovDec: -3.3 inDecJan 2026: -0.2 inJanFeb: -1.8 inFebMar: -2.7 inMarApr: -2.0 inAprMay: +0.4 inMayJun: -1.7 inJunJul: +0.6 inJulAug: +0.5 inAugSep: -2.9 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 DeKalb County

MonthUsual high / lowUsual rainWarmestColdest
January48° / 28°4.9 in48.6° 195022.7° 1977
February52° / 31°4.9 in49.8° 201828.7° 1978
March61° / 38°5.4 in58.8° 201234.9° 1960
April71° / 45°4.9 in63.9° 202650.2° 1907
May78° / 55°4.8 in72.4° 196260.1° 1917
June85° / 63°5.1 in80.2° 195268.0° 1903
July88° / 67°5.0 in81.2° 193071.9° 1947
August88° / 65°3.9 in82.4° 200771.7° 1967
September82° / 58°4.0 in79.5° 192564.4° 1918
October72° / 46°3.4 in68.1° 191951.1° 1895
November60° / 36°4.0 in56.2° 198539.6° 1976
December51° / 31°5.8 in52.1° 201528.5° 1963

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

Towns in DeKalb County

Crime Radar: Smithville

Nearby counties