May weather forecastPrairie City, IL
May
Weather in May
The last month of the spring, May, is an agreeable month in Prairie City, Illinois, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 71.1°F (21.7°C).Temperature
Prairie City's transition into May is marked by a rise in the average high-temperature, advancing from a refreshing 60.4°F (15.8°C) in April to a pleasant 71.1°F (21.7°C). May brings with it a nighttime average temperature of 54.5°F (12.5°C).Humidity
In May, the average relative humidity is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 16.3 days and accumulates 2.2" (56mm) of precipitation.Snowfall
May through September are months without snowfall in Prairie City.Daylight
In Prairie City, Illinois, the average length of the day in May is 14h and 28min.On the first day of May in Prairie City, sunrise is at 5:59 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:26 pm CDT.
Sunshine
In May, the average sunshine in Prairie City is 8.9h.UV index
In Prairie City, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 5 in May leads to these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Prairie City, IL
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in May: 54.5°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 (17.8°F).
Average pressure in May
Prairie City, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Prairie City, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Prairie City, IL
- Average humidity in May: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Prairie City, IL
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest months (with the least rainfall) are January and December (0.59").
Average rainfall days in May
Prairie City, IL
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in May
Prairie City, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.26").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Prairie City, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (10.3 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
Prairie City, IL
- Average daylight in May: 14h and 30min
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 18min).
- Average sunshine in May: 8h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in May
Prairie City, IL
- Average sunshine days in May: 11.9 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in May
Prairie City, 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
Prairie City, IL
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in May
Prairie City, IL
- Average visibility in May: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
