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Weather in May, OK · National Weather Service + NOAA

May is snow country

May has chilly winters and hot summers. A typical July afternoon reaches 94°, a January night drops to 22°, and about 17 inches of snow falls in a normal winter. In November, a normal day reaches 60° and a normal night drops to 33°.

Winter 50°/24°Spring 71°/44°Summer 92°/66°Fall 72°/45°
Right now
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Loading conditions…
Sunrise 8:03 am · sunset 6:41 pm

Getting the latest forecast from the National Weather Service…

What stands out about May’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Snow countryAbout 17 inches a winter, more than 800 of 809 Oklahoma towns.Hot summersJuly afternoons average 94°, hotter than 95% of U.S. towns.Among Oklahoma’s coldest wintersJanuary nights average 22°, colder than 817 of 838 Oklahoma towns.A short growing season187 frost-free days, from Apr 17 to Oct 23.
A normal year

Where today sits in May’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
50° / 24°
6 days with an inch or more of snow
Spring
71° / 44°
Last frost around Apr 17
Summer
92° / 66°
98 days reach 90° in a normal year
Fall now
72° / 45°
First frost around Oct 23
Pastthe usual first frost (Oct 23). Last frost next spring: Apr 17
Best months to be outside
AprMayOct
Highs of 62–84° and lows of 40° or more
How much snow does May get?About 17 inches a winter.When is it wettest?June, with 3.7 inches.Is it warmer than it used to be?+0.7° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in May.

Town Square →
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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for May itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Laverne, OK (10 mi, snow) and Buffalo 2 Ssw, OK (14 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.