Oklahoma City Weather in May
Oklahoma City in May sees high daytime temperatures of 26°C (79°F) and nighttime lows of 15°C (59°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in Oklahoma City in May
With peak rainfall occurring this month, heavy downpours are common. It's advisable to have a poncho on hand to manage the rain. Typically, you can expect about 11 days of rain this month, with 166 mm (6.5 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Oklahoma City in May
May in Oklahoma City brings typical temperatures with highs around 26°C (79°F) and lows of 15°C (59°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 15°C (59°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Oklahoma City in May
Expect sunny days throughout the month, with an estimated 274 hours of sunshine. This makes it a pleasant time to visit Oklahoma City.
Wind Speed in Oklahoma City in May
May sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.For Oklahoma City itself, October generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Oklahoma City's climate page.
Oklahoma City Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
26°C (79°F)
Chance of Rain
37%
Precipitation
166 mm (6.5 in)
Rainy days
11 days
Humidity
59%
Windspeed
6 m/s (12 knots)
Sunshine
274 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Oklahoma City typically rise from around 23°C (73°F) at the start of May to approximately 28°C (82°F) by the end. Nights are pleasant, with lows typically ranging from 12°C (54°F) to 18°C (64°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Oklahoma City in May
Browse day-by-day weather records for Oklahoma City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Oklahoma City historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Oklahoma City.
- The hottest May day on record in Oklahoma City reached 39°C (102°F) (May 30, 1985).
- Oklahoma City registered its coldest May night on May 3, 2013, with temperatures dropping to 2°C (36°F).
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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unpleasant
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What to Wear in Oklahoma City in May
Warm but pleasant conditions in Oklahoma City in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Oklahoma City in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Oklahoma City's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Oklahoma City climate overview or explore weather in the United States of America.
