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 arrival of May brings a change in Boise City's weather, with average high-temperatures moving from April's pleasant 68°F (20°C) to a warm 77°F (25°C). Boise City's average nighttime temperature descends significantly from the day's peak in May, settling at a fresh 54°F (12.2°C).Humidity
The average relative humidity in May is 43%.Rainfall
In Boise City, in May, it is raining for 9.8 days, with typically 1.38" (35mm) of accumulated precipitation. Throughout the year, there are 87 rainfall days, and 12.32" (313mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 0.1 snowfall days, in May, Boise City aggregates 0.08" (2mm) of snow. In Boise City, during the entire year, snow falls for 13.5 days and aggregates up to 4.57" (116mm) of snow.Daylight
In Boise City, the average length of the day in May is 14h and 9min.On the first day of the month, sunrise is at 6:55 am and sunset at 8:39 pm. On the last day of May, sunrise is at 6:32 am and sunset at 9:03 pm CDT.
Sunshine
The average sunshine in May is 11.2h.UV index
The average daily maximum UV index in May in Boise City is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 6 in May, converts into the following recommendations:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows?
How many hours of daylight does Boise City have in May?
When 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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
Boise City, 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).
Boise City, Oklahoma, USA
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