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
With the onset of May, Collison sees a temperature rise, with the average high-temperature moving from April's enjoyable 61.2°F (16.2°C) to an agreeable 71.8°F (22.1°C). In Collison, an average nighttime temperature of 55°F (12.8°C) is expected during May.Humidity
In Collison, the average relative humidity in May is 78%.Rainfall
In May, in Collison, the rain falls for 18 days. Throughout May, 3.15" (80mm) of precipitation is accumulated. In Collison, Illinois, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.Snowfall
May through October are months without snowfall in Collison.Daylight
In Collison, the average length of the day in May is 14h and 26min.On the first day of May, sunrise is at 5:49 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:14 pm CDT.
Sunshine
In May, the average sunshine in Collison is 8.8h.UV index
The average daily maximum UV index in May in Collison is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In May, the UV index of 5 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Collison?
What is the average humidity in May in Collison?
How many days does it rain in May in Collison?
When it does not snow in Collison?
Does it snow in Collison in May?
How many hours of daylight does Collison have in May?
What time are sunrise and sunset in May in Collison?
How many hours of sunshine does Collison have in May?
How high is the UV index in May in Collison?
Average temperature in May
Collison, IL
- Average high temperature in May: 71.8°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in May: 55°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in May
Collison, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Collison, IL
- Average wind speed in May: 8.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in May
Collison, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Collison, IL
- Average rainfall in May: 3.15"
The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").
Average rainfall days in May
Collison, IL
- Average rainfall days in May: 18 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in May
Collison, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Collison, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Collison, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in May: 8h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in May
Collison, IL
- Average sunshine days in May: 10 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in May
Collison, IL
- Average UV index in May: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Collison, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in May
Collison, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Collison, Illinois, USA
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