May weather forecastFoss, OK
May
Weather in May
The last month of the spring, May, is a moderately hot month in Foss, Oklahoma, with an average temperature fluctuating between 80.2°F (26.8°C) and 59.5°F (15.3°C).Temperature
May's onset is marked by a subtle temperature increase, moving from a pleasant 72°F (22.2°C) in April to a warm 80.2°F (26.8°C). Foss throughout May, experiences an average nighttime temperature of 59.5°F (15.3°C).Humidity
With an average relative humidity of 63%, May is the most humid month.Rainfall
May is the month with the most rainfall. Rain falls for 13.1 days and accumulates 3.35" (85mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May in Foss is 14h and 3min.On the first day of the month, sunrise is at 6:44 am and sunset at 8:23 pm. On the last day of May, sunrise is at 6:22 am and sunset at 8:46 pm CDT.
Sunshine
In May, the average sunshine is 10.1h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 6 in May translates into these instructions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Foss, OK
- Average high temperature in May: 80.2°F
The warmest month (with the highest average high temperature) is July (95.2°F).
The month with the lowest average high temperature is December (49.5°F).
- Average low temperature in May: 59.5°F
The month with the highest average low temperature is July (74.3°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).
Average pressure in May
Foss, OK
- Average pressure in May: 29.89"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
Foss, OK
- Average wind speed in May: 11.6mph
The windiest month (with the highest average wind speed) is April (12.9mph).
The calmest month (with the lowest average wind speed) is August (9.2mph).
Average humidity in May
Foss, OK
- Average humidity in May: 63%
The month with the highest relative humidity is May (63%).
The month with the lowest relative humidity is August (51%).
Average rainfall in May
Foss, OK
- Average rainfall in May: 3.35"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in May
Foss, OK
- Average rainfall days in May: 13.1 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in May
Foss, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Foss, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.3 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
Foss, 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 48min).
- Average sunshine in May: 10h and 6min
The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in May
Foss, OK
- Average sunshine days in May: 15 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is May (15 days).
Average UV index in May
Foss, 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
Foss, OK
- Average cloud cover in May: 28
The months with the most cloud cover are March and April (Cloud cover 30).
The months with the least cloud cover are June and August (Cloud cover 17).
Average visibility in May
Foss, 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).
