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
Collinsville's transition into May is noticed by a slight rise in the average high-temperature, advancing from an agreeable 68.4°F (20.2°C) in April to a moderately hot 75.7°F (24.3°C). May brings Collinsville a consistent average low-temperature of 59°F (15°C).Humidity
May is the most humid month in Collinsville, with an average relative humidity of 80%.Rainfall
May is the month with the most rainfall. Rain falls for 15.8 days and accumulates 5.28" (134mm) of precipitation.Snowfall
In Collinsville, snow does not fall in April through October.Daylight
In May, the average length of the day is 14h and 7min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:11 pm. On the last day of May, sunrise is at 6:06 am and sunset at 8:35 pm CDT.
Sunshine
The average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for average individuals.Note: The UV index of 6 during May leads to these advisories:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May?
What is the most humid month?
What is the average humidity in May?
What is the rainiest month?
How many days does it rain in May in Collinsville?
When it does not snow?
What is the average length of the day in May?
What time are sunrise and sunset in May?
How many hours of sunshine does Collinsville have in May?
How high is the UV index in May?
Average temperature in May
Collinsville, OK
- Average high temperature in May: 75.7°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in May: 59°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in May
Collinsville, OK
- Average pressure in May: 29.92"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in May
Collinsville, OK
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is March (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in May
Collinsville, 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 (68%).
Average rainfall in May
Collinsville, OK
- Average rainfall in May: 5.28"
The wettest month (with the highest rainfall) is May (5.28").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in May
Collinsville, 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 (6.1 days).
Average snowfall in May
Collinsville, OK
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in May
Collinsville, OK
- Average snowfall days in May: 0 days
The months with the highest number of snowfall days are January and 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
Collinsville, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in May
Collinsville, OK
- Average sunshine days in May: 13.5 days
The months with the most sunshine days are January and December (21.9 days).
The month with the least sunshine days is May (13.5 days).
Average UV index in May
Collinsville, 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
Collinsville, 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
Collinsville, 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).
Collinsville, Oklahoma, USA
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