May weather forecastBlackwell, OK
May
Weather in May
May, the last month of the spring in Blackwell, is a moderately hot month, with temperature in the range of an average low of 58.6°F (14.8°C) and an average high of 76.8°F (24.9°C).Temperature
As May sets, the average high-temperature shows an increase, moving up from a comfortable 67.8°F (19.9°C) in April to a moderately hot 76.8°F (24.9°C). Blackwell observes an average low-temperature of 58.6°F (14.8°C) during May nights.Humidity
May is the most humid month, with an average relative humidity of 74%.Rainfall
The month with the most rainfall in Blackwell 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
In Blackwell, the average length of the day in May is 14h and 9min.On the first day of the month, sunrise is at 6:34 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
The average sunshine in May is 9.4h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 6 in May translates into the following instructions:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Blackwell, 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
Blackwell, 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
Blackwell, 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
Blackwell, 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
Blackwell, 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
Blackwell, 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
Blackwell, 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
Blackwell, 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
Blackwell, OK
- Average daylight in May: 14h and 12min
The month with the longest days is June (Average daylight: 14h and 36min).
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
Blackwell, 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
Blackwell, 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
Blackwell, 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
Blackwell, 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).
