May weather forecastHeavener, OK
May
Weather in May
The last month of the spring, May, is a moderately hot month in Heavener, Oklahoma, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 58.8°F (14.9°C).Temperature
May brings a slight increase in the average high-temperature, progressing from an agreeable 71.2°F (21.8°C) in April to a warm 80.1°F (26.7°C). May brings an average low-temperature of 58.8°F (14.9°C) to Heavener.Humidity
The months with the highest humidity are February, March and May, with an average relative humidity of 76%.Rainfall
The month with the most rainfall is May, when the rain falls for 14.2 days and typically aggregates up to 4.13" (105mm) of precipitation.Snowfall
In Heavener, snow does not fall in April through November.Daylight
In May, the average length of the day is 14h and 1min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:04 pm. On the last day of May, sunrise is at 6:05 am and sunset at 8:26 pm CDT.
Sunshine
The average sunshine in May in Heavener is 8.9h.UV index
In May, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 6 during May translates into the following directions:
Guard oneself from overexposure. Defence against sun injury is vital. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. 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
Heavener, OK
- Average high temperature in May: 80.1°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in May: 58.8°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in May
Heavener, OK
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Heavener, OK
- Average wind speed in May: 7mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in May
Heavener, OK
- Average humidity in May: 76%
The months with the highest relative humidity are February, March and May (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in May
Heavener, OK
- Average rainfall in May: 4.13"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in May
Heavener, OK
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in May
Heavener, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in May
Heavener, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Heavener, OK
- Average daylight in May: 14h and 0min
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 54min).
- Average sunshine in May: 8h and 54min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in May
Heavener, OK
- Average sunshine days in May: 14.6 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in May
Heavener, OK
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in May
Heavener, OK
- Average cloud cover in May: 36
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 25).
Average visibility in May
Heavener, 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).
