May weather forecastJamestown, OK
May
Weather in May
May, the last month of the spring in Jamestown, is a moderately hot month, with an average temperature ranging between min 58.6°F (14.8°C) and max 75.4°F (24.1°C).Temperature
May's onset brings a subtle temperature rise, moving from a pleasant 68.2°F (20.1°C) in April to a moderately hot 75.4°F (24.1°C). Throughout the month of May, the average temperature dips to a moderate 58.6°F (14.8°C) at night.Humidity
With an average relative humidity of 81%, May is the most humid month.Rainfall
May is the month with the most rainfall. Rain falls for 14.8 days and accumulates 4.06" (103mm) of precipitation.Snowfall
In Jamestown, snow does not fall in April through October.Daylight
The average length of the day in May in Jamestown is 14h and 8min.On the first day of May in Jamestown, sunrise is at 6:27 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:05 am and sunset at 8:35 pm CDT.
Sunshine
The average sunshine in May is 8.6h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 6 in May translates into this advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Jamestown, OK
- Average high temperature in May: 75.4°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in May: 58.6°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in May
Jamestown, OK
- Average pressure in May: 29.93"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Jamestown, OK
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is March (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in May
Jamestown, OK
- Average humidity in May: 81%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (68%).
Average rainfall in May
Jamestown, OK
- Average rainfall in May: 4.06"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is November (0.75").
Average rainfall days in May
Jamestown, OK
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is May (14.8 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in May
Jamestown, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Jamestown, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (2.8 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
Jamestown, OK
- Average daylight in May: 14h and 6min
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: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Jamestown, OK
- Average sunshine days in May: 12.9 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is May (12.9 days).
Average UV index in May
Jamestown, OK
- Average UV index in May: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Jamestown, OK
- Average cloud cover in May: 39
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in May
Jamestown, 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).
