May weather forecastButler, OK
May
Weather in May
The last month of the spring, May, is a warm month in Butler, Oklahoma, with an average temperature fluctuating between 59.5°F (15.3°C) and 80.2°F (26.8°C).Temperature
As Butler enters May, the average high-temperature marginally increases from the an agreeable 71.8°F (22.1°C) of April to a moderately hot 80.2°F (26.8°C). Throughout the May nights, Butler encounters a low-temperature of 59.5°F (15.3°C).Humidity
May is the most humid month, with an average relative humidity of 62%.Rainfall
May is the month with the most rainfall. Rain falls for 12.1 days and accumulates 3.11" (79mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Butler, the average length of the day in May is 14h and 4min.On the first day of May, sunrise is at 6:43 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 8:46 pm CDT.
Sunshine
In May, the average sunshine is 10h.UV index
In Butler, the average daily maximum UV index in May is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 6 suggests these recommendations:
Steer clear of overexposure. Fair-skinned individuals can be scorched in less than 20 minutes. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Butler, OK
- Average high temperature in May: 80.2°F
The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in May: 59.5°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Butler, OK
- Average pressure in May: 29.88"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in May
Butler, OK
- Average wind speed in May: 11.8mph
The windiest month (with the highest average wind speed) is April (13.1mph).
The calmest month (with the lowest average wind speed) is August (9.4mph).
Average humidity in May
Butler, OK
- Average humidity in May: 62%
The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is August (51%).
Average rainfall in May
Butler, OK
- Average rainfall in May: 3.11"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are January and February (0.67").
Average rainfall days in May
Butler, OK
- Average rainfall days in May: 12.1 days
The month with the highest number of rainy days is May (12.1 days).
The month with the least rainy days is January (2.9 days).
Average snowfall in May
Butler, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Butler, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Butler, OK
- Average daylight in May: 14h and 6min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in May: 10h and 0min
The months with the most sunshine are June and July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Butler, OK
- Average sunshine days in May: 16.7 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (15.1 days).
Average UV index in May
Butler, OK
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Butler, OK
- Average cloud cover in May: 28
The months with the most cloud cover are March and April (Cloud cover 30).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in May
Butler, OK
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





