ClimateAverages

Norman Climate

Oklahoma, United States of America · population 120,284 · 297 weather stations within 200 km · records 1799 to 2025

Average annual daytime high
22.8°C
Warmest month · July
34.6°C
Typical daytime high
Coldest month · January
-3.3°C
Typical overnight low

Norman has an average annual daytime high of 22.8°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 34.6°C, and its coldest is January, with overnight lows near -3.3°C.

Month by month averages

MonthAvg highAvg low
January9.5°C-3.3°CColdest
February12.9°C-0.8°C
March17.7°C3.5°C
April23.2°C9.4°C
May26.9°C14.3°C
June31.4°C18.9°C
July34.6°C21.2°CWarmest
August34.5°C20.5°C
September30.2°C16.6°C
October24.4°C9.9°C
November16.8°C3.4°C
December11.6°C-1.2°C

Temperature range across the year

-5°5°16°26°37°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.2°C vs. 1951–1980
Coldest year on record
1880
-2.2°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Norman getting hotter?

Since 1900, Norman's average temperature has risen by +2.0°C. Compared to the earliest station records that begin in 1799, warming totals +1.6°C.

15.2°15.9°16.5°17.1°17.8°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
March to November

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Norman?

Norman's average annual daytime high is 22.8°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 34.6°C, and the coldest is January, with lows averaging -3.3°C.

What is the warmest month in Norman?

July is the warmest month in Norman, with typical daytime highs of 34.6°C.

What is the hottest year on record for Norman?

2011 is the hottest year on record for Norman, running +2.2°C above the 1951 to 1980 baseline.

Is Norman getting hotter?

Yes. Since 1900, Norman has warmed by roughly +2.0°C.

When is the best time to visit Norman?

March to November typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.