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 transition to May introduces an increase in the average high-temperature, shifting from an agreeable 68°F (20°C) in April to a moderately hot 77°F (25°C). From significant daily highs, Keyes's nights in May cool down to an average low-temperature of 54°F (12.2°C).Humidity
In Keyes, the average relative humidity in May is 43%.Rainfall
In May, the rain falls for 9.8 days. Throughout May, 1.38" (35mm) of precipitation is accumulated. Throughout the year, there are 87 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Keyes aggregates 0.08" (2mm) of snow. In Keyes, during the entire year, snow falls for 13.5 days and aggregates up to 4.57" (116mm) of snow.Daylight
In May, the average length of the day in Keyes is 14h and 9min.On the first day of May, sunrise is at 6:53 am and sunset at 8:38 pm. On the last day of the month, sunrise is at 6:31 am and sunset at 9:02 pm CDT.
Sunshine
In May, the average sunshine is 11.2h.UV index
In Keyes, the average daily maximum UV index in May 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: In May, the maximum UV index of 6 suggests these recommendations:
Take precautions against overexposure. Protection against sun damage is needed. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
Average temperature in May
Keyes, OK
- Average high temperature in May: 77°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (46.6°F).
- Average low temperature in May: 54°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is December (28.2°F).
Average pressure in May
Keyes, OK
- Average pressure in May: 29.84"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in May
Keyes, OK
- Average wind speed in May: 12.8mph
The windiest month (with the highest average wind speed) is April (13.4mph).
The calmest months (with the lowest average wind speed) are January and August (10.6mph).
Average humidity in May
Keyes, OK
- Average humidity in May: 43%
The month with the highest relative humidity is December (55%).
The month with the lowest relative humidity is June (41%).
Average rainfall in May
Keyes, OK
- Average rainfall in May: 1.38"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is January (0.24").
Average rainfall days in May
Keyes, OK
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (1.8 days).
Average snowfall in May
Keyes, OK
- Average snowfall in May: 0.08"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in May
Keyes, OK
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (3.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Keyes, 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 42min).
- Average sunshine in May: 11h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in May
Keyes, OK
- Average sunshine days in May: 18.3 days
The month with the most sunshine days is December (26.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Keyes, 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
Keyes, OK
- Average cloud cover in May: 19
The month with the most cloud cover is February (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 15).
Average visibility in May
Keyes, 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).
Keyes, Oklahoma, USA
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