Oklahoma City weather in May
May is a fair month to visit Oklahoma City: highs of 27°C (81°F) and about 129 mm (5.1 in) of rain on average. Nights average 15°C (59°F) and cloud cover 55% (NASA POWER, 2001–2025 averages). It is the wettest month of the year and the 5th warmest. Compared with April, it is warmer and wetter; June brings highs of 32°C (89°F) and 113 mm (4.4 in) of rain.
Is May a good time to visit Oklahoma City?
fair month Weather score 68/100.
May is a fair month in Oklahoma City. The weather is usually best in Apr, Sep–Nov.
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Does it rain a lot in Oklahoma City in May?
Some rain is normal: about 129 mm (5.1 in) falls in an average May. It is the wettest month of the year.
How warm is Oklahoma City in May?
Days average 27°C (81°F) and nights 15°C (59°F).
Oklahoma City weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 9°C (47°F) | -3°C (27°F) | 32 mm | 48% | least pleasant |
| February | 11°C (51°F) | -1°C (29°F) | 39 mm | 56% | least pleasant |
| March | 17°C (63°F) | 4°C (40°F) | 62 mm | 55% | fair |
| April | 23°C (73°F) | 9°C (49°F) | 89 mm | 52% | best |
| May | 27°C (81°F) | 15°C (59°F) | 129 mm | 55% | fair |
| June | 32°C (89°F) | 20°C (69°F) | 113 mm | 44% | fair |
| July | 35°C (94°F) | 23°C (73°F) | 85 mm | 39% | fair |
| August | 34°C (93°F) | 22°C (72°F) | 94 mm | 40% | fair |
| September | 29°C (85°F) | 17°C (63°F) | 77 mm | 38% | best |
| October | 23°C (73°F) | 10°C (50°F) | 81 mm | 40% | best |
| November | 16°C (61°F) | 4°C (38°F) | 39 mm | 43% | best |
| December | 9°C (49°F) | -2°C (29°F) | 38 mm | 51% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
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