Is this weather normal in Dallas County?

Texas · county records since 1895, through September 2026.

Weather › Texas › Dallas County

Dallas County just had its warmest September ever recorded, +9° against the usual. 11 of the last 12 months ran warmer than usual there.

This week

Usual for Oct 28 to Nov 3: highs near 72°, lows near 51°

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

Loading the forecast...

usual high for the datewarmercooler

The last 12 months

Oct: +4.7°OctNov: +6.1°NovDec: +4.4°DecJan 2026: -0.7°JanFeb: +8.0°FebMar: +8.9°MarApr: +4.2°AprMay: +0.1°MayJun: +1.6°JunJul: +2.2°JulAug: +5.0°AugSep: +8.8°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: -1.6 inOctNov: +1.4 inNovDec: -3.1 inDecJan 2026: -0.9 inJanFeb: -1.1 inFebMar: -0.0 inMarApr: +1.7 inAprMay: -0.4 inMayJun: +1.1 inJunJul: -0.2 inJulAug: -2.3 inAugSep: -2.4 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 Dallas County

MonthUsual high / lowUsual rainWarmestColdest
January57° / 36°2.6 in54.4° 200632.8° 1940
February61° / 40°2.9 in59.0° 201735.4° 1899
March68° / 47°3.6 in67.3° 190746.2° 1915
April76° / 54°3.5 in71.1° 200659.3° 1926
May83° / 63°4.7 in78.6° 199667.6° 1917
June91° / 71°3.9 in87.1° 191175.1° 1903
July95° / 75°2.0 in90.9° 202280.2° 1976
August96° / 74°2.3 in92.7° 201178.8° 1992
September89° / 67°3.0 in86.8° 202669.0° 1974
October79° / 56°4.7 in73.8° 202458.9° 1976
November67° / 46°3.0 in62.9° 192748.0° 1929
December58° / 38°3.2 in60.4° 202134.9° 1983

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

Towns in Dallas County

Crime Radar: Dallas, Grand Prairie, Irving, Garland, Mesquite, Carrollton, Cedar Hill, Lancaster

Nearby counties