Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The start of May is characterized by a subtle increase in the average high-temperature, transitioning from an agreeable 69.4°F (20.8°C) in April to a moderately hot 77°F (25°C). In Stillwater, May's nights observe an average temperature dip to a mild 59°F (15°C).Humidity
The most humid month is May, with an average relative humidity of 75%.Rainfall
May is the month with the most rainfall. Rain falls for 14.6 days and accumulates 4.25" (108mm) of precipitation.Snowfall
April through October are months without snowfall in Stillwater.Daylight
In Stillwater, the average length of the day in May is 14h and 6min.On the first day of the month, sunrise is at 6:34 am and sunset at 8:16 pm. On the last day of May, sunrise is at 6:12 am and sunset at 8:39 pm CDT.
Sunshine
In May, the average sunshine in Stillwater is 9.2h.UV index
In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 6 in May translates into these instructions:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What is the usual temperature for Stillwater in May?
What is the most humid month in Stillwater?
What is the average humidity in May in Stillwater?
What is the rainiest month in Stillwater?
How much does it rain in Stillwater in May?
When it does not snow in Stillwater?
What is the average length of the day in May in Stillwater?
When is the sunrise / sunset in May in Stillwater?
How long on average sun shines in May in Stillwater?
What is the UV index reading in May in Stillwater?
Average temperature in May
Stillwater, OK
- Average high temperature in May: 77°F
The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in May
Stillwater, 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
Stillwater, OK
- Average wind speed in May: 9.9mph
The windiest month (with the highest average wind speed) is April (11.5mph).
The calmest month (with the lowest average wind speed) is August (8.2mph).
Average humidity in May
Stillwater, OK
- Average humidity in May: 75%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (62%).
Average rainfall in May
Stillwater, OK
- Average rainfall in May: 4.25"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (0.98").
Average rainfall days in May
Stillwater, OK
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in May
Stillwater, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Stillwater, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.8 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
Stillwater, OK
- Average daylight in May: 14h and 1min
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 48min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in May
Stillwater, OK
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is January (22.9 days).
The month with the least sunshine days is May (13.7 days).
Average UV index in May
Stillwater, 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
Stillwater, 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
Stillwater, 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).
Stillwater, Oklahoma, USA
Weather forecast for your location
2. Allow the app to use your location
