Norman, OK

Climate overview — based on NOAA 1991-2020 normals from NORMAN 3SSE, OK US.

Cfa Humid subtropical climate 8a USDA hardiness Zone 8a

Year-round temperatures (°F)

20° 40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Norman has an annual average temperature of 60.7°F with about 37.7 inches of precipitation per year and 4.1 inches of snow. The warmest month is July (average high 92.5°F), and the coldest is January (average low 27.7°F). May is typically the wettest month (5.14 in) and January the driest (1.37 in). Snow typically falls from November through March.

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
43°F
warmest to coldest month
Heating need
3,258
Cooling need
1,713

Best time to visit Norman

Full guide →

Climate change signal

All-time records →

36 of 366 (9.8%) of Norman's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1890s
67
1900s
30
1910s
53
1920s
22
1930s
36
1940s
13
1950s
47
1960s
20
1970s
13
1980s
0
1990s
0
2000s
16
2010s
26
2020s
23

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 49.9°F 27.7°F 38.8°F 1.37 in 1.2 in 5
February 54.4°F 31.3°F 42.9°F 1.60 in 1.2 in 6
March 63.2°F 39.8°F 51.5°F 2.80 in 0.2 in 7
April 71.4°F 48.2°F 59.8°F 3.48 in 8
May 78.8°F 58.4°F 68.6°F 5.14 in 10
June 87.2°F 67.3°F 77.3°F 4.79 in 9
July 92.5°F 71.2°F 81.8°F 3.71 in 6
August 92.1°F 70.2°F 81.2°F 3.61 in 7
September 84.2°F 62.2°F 73.2°F 3.68 in 7
October 73.7°F 50.3°F 62.0°F 3.43 in 7
November 61.8°F 38.8°F 50.3°F 2.04 in 0.5 in 6
December 51.6°F 30.6°F 41.1°F 2.00 in 1.0 in 6

Climate twins of Norman

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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