May weather forecastKiefer, OK
May
Weather in May
May, the last month of the spring in Kiefer, is a warm month, with an average temperature ranging between min 59.5°F (15.3°C) and max 75.9°F (24.4°C).Temperature
With the start of May, the average high-temperature marginally shifts from April's agreeable 69.4°F (20.8°C) to a moderately hot 75.9°F (24.4°C). Kiefer's average low-temperature during May nights is observed to be a refreshing 59.5°F (15.3°C).Humidity
May is the most humid month, with an average relative humidity of 80%.Rainfall
May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 5.08" (129mm) of precipitation.Snowfall
March through October are months without snowfall.Daylight
The average length of the day in May is 14h and 5min.On the first day of May, sunrise is at 6:30 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 6:09 am and sunset at 8:35 pm CDT.
Sunshine
In Kiefer, Oklahoma, the average sunshine in May is 8.5h.UV index
The average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 6 in May suggests the following recommendations:
Skirt overexposure. People with light complexions might get scorched in under 20 minutes. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Kiefer, OK
- Average high temperature in May: 75.9°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (46.6°F).
- Average low temperature in May: 59.5°F
The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in May
Kiefer, OK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Kiefer, OK
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is March (10.8mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in May
Kiefer, OK
- Average humidity in May: 80%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, August and October (67%).
Average rainfall in May
Kiefer, OK
- Average rainfall in May: 5.08"
The wettest month (with the highest rainfall) is May (5.08").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in May
Kiefer, OK
- Average rainfall days in May: 15.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in May
Kiefer, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in May
Kiefer, OK
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.2 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
Kiefer, 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 48min).
- Average sunshine in May: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Kiefer, OK
- Average sunshine days in May: 14.2 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is May (14.2 days).
Average UV index in May
Kiefer, OK
- Average UV index in May: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in May
Kiefer, OK
- Average cloud cover in May: 38
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in May
Kiefer, 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).





