May weather forecastSumpter, OK
May
Weather in May
The last month of the spring, May, is a warm month in Sumpter, Oklahoma, with an average temperature varying between 58.6°F (14.8°C) and 76.8°F (24.9°C).Temperature
With the onset of May, Sumpter sees a temperature rise, with the average high-temperature moving from April's comfortable 67.8°F (19.9°C) to a warm 76.8°F (24.9°C). Sumpter anticipates an average minimum temperature of 58.6°F (14.8°C) in the month of May.Humidity
With an average relative humidity of 74%, May is the most humid month.Rainfall
The month with the most rainfall is May, when the rain falls for 15 days and typically aggregates up to 4.09" (104mm) of precipitation.Snowfall
April through September are months without snowfall.Daylight
The average length of the day in May is 14h and 10min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:18 pm. On the last day of May, sunrise is at 6:11 am and sunset at 8:42 pm CDT.
Sunshine
In May, the average sunshine is 9.4h.UV index
The average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In May, the maximum UV index of 6 suggests this advice:
Endorse precautions and be consistent with sun safety guidelines. Preventing sunburn is paramount. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sumpter, OK
- Average high temperature in May: 76.8°F
The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in May
Sumpter, OK
- Average pressure in May: 29.9"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in May
Sumpter, OK
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in May
Sumpter, OK
- Average humidity in May: 74%
The month with the highest relative humidity is May (74%).
The month with the lowest relative humidity is July (61%).
Average rainfall in May
Sumpter, OK
- Average rainfall in May: 4.09"
The wettest month (with the highest rainfall) is May (4.09").
The driest month (with the least rainfall) is December (0.59").
Average rainfall days in May
Sumpter, OK
- Average rainfall days in May: 15 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is January (4.5 days).
Average snowfall in May
Sumpter, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.91").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Sumpter, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.4 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
Sumpter, OK
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in May: 9h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 12min).
Average sunshine days in May
Sumpter, OK
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is January (24 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in May
Sumpter, OK
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Sumpter, OK
- Average cloud cover in May: 34
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in May
Sumpter, 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).
