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Norman, OK Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Norman, OK?
July is the warmest month (average high 93°F) and January the coldest (average low 28°F).
Norman climate at a glance
Norman, OK has hot summers and chilly winters. Daytime highs range from about 51°F in January to 93°F in July. The most comfortable time to visit is typically March to May and October to November, when daytime highs sit near 70°F.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 30° | 52° |
| Spring | Mar–May | 50° | 72° |
| Summer | Jun–Aug | 71° | 92° |
| Autumn | Sep–Nov | 51° | 74° |
How much rain does Norman get?
Norman has about 79 days with measurable rain in an average year. That is fewer rainy days than 58% of the US.
The longest dry spell in the last five years lasted 36 days, to December 9, 2021.
From September 2025 to August 2026 Norman got 24.5 in of rain. June 2026 had the most, with 5.4 in.
See where Norman ranks: rainiest cities in the US, US cities with the most rainy days, rainiest cities in Oklahoma.
Does it snow in Norman?
The snowiest winter on record is 1987–88, with 23.5 in.
The most recent measurable snow at the station fell on January 25, 2026.
From September 2025 to August 2026 the station measured 8.8 in of snow. January 2026 had the most, with 8.5 in.
See where Norman ranks: snowiest cities in the US.
Norman weather by month
Norman weather in January
In January, Norman averages a high of 51°F and a low of 28°F. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The January record high is 80°F (2015) and the record low is -2°F (2017).
Norman weather in February
In February, Norman averages a high of 55°F and a low of 32°F. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The February record high is 88°F (2017) and the record low is -12°F (2021).
Norman weather in March
In March, Norman averages a high of 65°F and a low of 42°F. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The March record high is 96°F (2026) and the record low is 5°F (2014). March is one of the most comfortable months to visit.
Norman weather in April
In April, Norman averages a high of 72°F and a low of 49°F. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The April record high is 93°F (2022) and the record low is 24°F (2018). April is one of the most comfortable months to visit.
Norman weather in May
In May, Norman averages a high of 79°F and a low of 59°F. Estimated sunshine is 43% of daylight hours, derived from ERA5 cloud cover. The May record high is 95°F (2014) and the record low is 32°F (2013). May is one of the most comfortable months to visit.
Norman weather in June
In June, Norman averages a high of 89°F and a low of 69°F. Estimated sunshine is 55% of daylight hours, derived from ERA5 cloud cover. The June record high is 104°F (2012) and the record low is 52°F (2012).
Norman weather in July
In July, Norman averages a high of 93°F and a low of 73°F. Estimated sunshine is 61% of daylight hours, derived from ERA5 cloud cover. The July record high is 110°F (2022) and the record low is 56°F (2013).
Norman weather in August
In August, Norman averages a high of 92°F and a low of 71°F. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The August record high is 111°F (2012) and the record low is 52°F (2015).
Norman weather in September
In September, Norman averages a high of 85°F and a low of 64°F. Estimated sunshine is 72% of daylight hours, derived from ERA5 cloud cover. The September record high is 105°F (2012) and the record low is 43°F (2020).
Norman weather in October
In October, Norman averages a high of 74°F and a low of 50°F. Estimated sunshine is 70% of daylight hours, derived from ERA5 cloud cover. The October record high is 94°F (2014) and the record low is 23°F (2019). October is one of the most comfortable months to visit.
Norman weather in November
In November, Norman averages a high of 62°F and a low of 39°F. Estimated sunshine is 63% of daylight hours, derived from ERA5 cloud cover. The November record high is 87°F (2025) and the record low is 14°F (2019). November is one of the most comfortable months to visit.
Norman weather in December
In December, Norman averages a high of 52°F and a low of 30°F. Estimated sunshine is 56% of daylight hours, derived from ERA5 cloud cover. The December record high is 86°F (2025) and the record low is 3°F (2022).
Sunshine, humidity and wind in Norman
September is the sunniest month in Norman, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. May is the cloudiest, at 43%. The annual cloud-cover estimate is 57% of daylight hours; it is not a measurement of sunshine duration. Norman is sunnier than 80% of the US.
Humidity peaks in May at 68% and is lowest in October at 54%.
Norman has about 75 days a year above 90°F. Norman is hotter than 82% of the US.
See where Norman ranks: sunniest cities in the US, cloudiest cities in the US, hottest cities in the US.
First and last freeze in Norman
The first fall freeze in Norman typically comes around November 5, and the last spring freeze around March 30. That leaves a frost-free growing season of about 220 days.
Norman weather records
These records cover NORMAN 2NW MESONET during 2009–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Norman station is 111°F, on August 1, 2012. The coldest is -12°F, on February 16, 2021.
The wettest day in the available station history brought 5.5 in of precipitation, on August 11, 2024.
The best time to visit Norman
The most comfortable time to visit is typically March to May and October to November, when daytime highs sit near 70°F.
Winter (December–February) is chilly, with average highs around 52°F and lows near 30°F. Snow is possible.
Spring (March–May) is warm, with average highs around 72°F and lows near 50°F.
Summer (June–August) is hot, with average highs around 92°F and lows near 71°F.
Autumn (September–November) is warm, with average highs around 74°F and lows near 51°F.
Monthly climate
| Month | Average low | Average high | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|
| January | 28° | 51° | 2 | 62% | 53% | 80° | -2° |
| February | 32° | 55° | 4 | 59% | 49% | 88° | -12° |
| March | 42° | 65° | 7 | 58% | 49% | 96° | 5° |
| April | 49° | 72° | 9 | 56% | 53% | 93° | 24° |
| May | 59° | 79° | 12 | 68% | 43% | 95° | 32° |
| June | 69° | 89° | 7 | 62% | 55% | 104° | 52° |
| July | 73° | 93° | 6 | 58% | 61% | 110° | 56° |
| August | 71° | 92° | 8 | 56% | 64% | 111° | 52° |
| September | 64° | 85° | 8 | 56% | 72% | 105° | 43° |
| October | 50° | 74° | 7 | 54% | 70% | 94° | 23° |
| November | 39° | 62° | 5 | 63% | 63% | 87° | 14° |
| December | 30° | 52° | 4 | 61% | 56% | 86° | 3° |
Station: NORMAN 2NW MESONET, 3 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 2009–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Norman climate questions
How many rainy days does Norman have a year?
Norman has about 79 days with measurable rain in an average year. May has the most, about 12.
What is the hottest month in Norman?
July is the warmest month in Norman, with an average high of 93°F.
What is the coldest month in Norman?
January is the coldest month in Norman, with an average low of 28°F.
What is the record high temperature in Norman?
Within the available 2009–2026 station history, the record high at the Norman station is 111°F, set on August 1, 2012. The record low is -12°F, on February 16, 2021.
What is the sunniest month in Norman?
September is the sunniest month in Norman, with estimated sunshine of 72% of daylight hours from ERA5 cloud cover. May is the cloudiest.
When is the first frost in Norman?
The first fall freeze in Norman typically comes around November 5. The last spring freeze is around March 30.
What is the best time to visit Norman?
The most comfortable time to visit is typically March to May and October to November, when daytime highs sit near 70°F.