Late spring · Weather & things to do
Oklahoma City in May
The year's rain peaks now, with about 5.1 in (129 mm) falling in Oklahoma City, alongside highs near 81°F (27°C) and lows of 59°F (15°C).
It scores 81/100 for comfort, 6th of 12, which makes it a solid shoulder-season month.
- Avg high
- 81°F (27°C)
- Avg low
- 59°F (15°C)
- Rain
- 5.1 in (129 mm)
- Humidity
- 69%
- Cloud cover
- 55%
- Daylight
- ~13 h 52 min
- Comfort score
- 81/100 · Great
What May feels like
Days are warm, averaging 81°F (27°C).
There's a big swing between day and night, about 12°C (22°F), so mornings and evenings feel much cooler than the afternoon.
Expect regular rain: about 5.1 in (129 mm) falls in the month.
Plan around May
May is shoulder season: good weather, a step below the best months (March & April and October & November).
- Inside the wettest three-month stretch, April – June.
- Comfort slips from 87/100 in April to 81/100.
- May sits inside the Mar – May window our Oklahoma Route 66 route recommends.
What to pack for May
- Light, breathable clotheshighs average 81°F
- Sunscreen, sunglasses and a hatstrong sun this month
- A warm layer for eveningsnights drop to 59°F
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost picks involve some walking
What to do in Oklahoma City in May
Wet days call for a roof: these picks favor sit-down and indoor stops, plus a few for drier spells.
National Cowboy & Western Heritage Museum
Large museum of Western art, rodeo history and a recreated frontier town.
Why now An indoor-leaning stop for a month with 5.1 in of rain.
Stonecloud Brewing Co.
Film Row taproom pouring well-regarded IPAs and pilsners.
Why now A sit-down stop to wait out showers in a month with 5.1 in of rain.
Oklahoma City National Memorial & Museum
Outdoor memorial and museum for the 1995 bombing victims.
Why now A good rainy-day backup in May.
Cattlemen's Steakhouse
Stockyards City steakhouse open since 1910.
Why now Easy to slot in when May's rain moves in.
Picasso Cafe
Paseo Arts District restaurant with a patio and local art on the walls.
Nearby in May
- Lake Hefner in May~8 mi · highs 81°F, 5.1 in rain · similar daytime temperatures, about as wet
- Wichita Mountains in May~84 mi · highs 82°F, 4.5 in rain · similar daytime temperatures, about as wet
- Tulsa in May~98 mi · highs 79°F, 5.7 in rain · similar daytime temperatures, wetter
- Dallas in May~190 mi · highs 84°F, 4.6 in rain · 2°C (3°F) warmer by day, about as wet
These averages also cover Downtown OKC & Bricktown.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Oklahoma City in May: quick answers
Is May a good time to visit Oklahoma City?
It's a good shoulder-season choice, scoring 81/100 against a best of 92 in March & April and October & November. Expect highs of 81°F (27°C) and 5.1 in (129 mm) of rain. May is inside the Mar – May window our Oklahoma Route 66 route recommends.
How hot is Oklahoma City in May?
Average highs are 81°F (27°C) and average lows 59°F (15°C), making it the 5th-warmest month by daytime highs.
Does it rain a lot in Oklahoma City in May?
Yes: about 5.1 in (129 mm) of rain falls across May on average, the wettest month of the year. The annual total is about 34.6 in (878 mm).
What should I pack for Oklahoma City in May?
Bring light, breathable clothes (highs average 81°F), sunscreen, sunglasses and a hat (strong sun this month), a warm layer for evenings (nights drop to 59°F), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most picks involve some walking).
More on Oklahoma City
Routes in season in May
- Oklahoma Route 66 Mar – May
Planning Oklahoma City in May?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.