Norman, OK Weather by Month and Climate Averages

July is the warmest month (average high 93°F) and January the coldest (average low 28°F).

Norman climate at a glance

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.

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.

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.

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. The sun is out about 53% of daylight hours. 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. The sun is out about 49% of daylight hours. 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. The sun is out about 49% of daylight hours. 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. The sun is out about 53% of daylight hours. 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. The sun is out about 43% of daylight hours. 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. The sun is out about 55% of daylight hours. 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. The sun is out about 61% of daylight hours. 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. The sun is out about 64% of daylight hours. 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. The sun is out about 72% of daylight hours. 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. The sun is out about 70% of daylight hours. 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. The sun is out about 63% of daylight hours. 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. The sun is out about 56% of daylight hours. 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 sunshine about 72% of daylight hours. May is the cloudiest, at 43%. Over the year the sun shines about 57% of daylight hours. 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

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 on record brought 5.5 in of rain, 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

MonthRain daysHumiditySunshineRecord highRecord low
January262%53%80°-2°
February459%49%88°-12°
March758%49%96°
April956%53%93°24°
May1268%43%95°32°
June762%55%104°52°
July658%61%110°56°
August856%64%111°52°
September856%72%105°43°
October754%70%94°23°
November563%63%87°14°
December461%56%86°

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?

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 sunshine about 72% of daylight hours. 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.

Source: NOAA GHCN-Daily station NORMAN 2NW MESONET (3 km away).

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Normals from NOAA GHCN-Daily station NORMAN 2NW MESONET.