May weather forecastCoulterville, IL
May
Weather in May
May, the last month of the spring in Coulterville, is a warm month, with an average temperature ranging between max 74.8°F (23.8°C) and min 58.1°F (14.5°C).Temperature
The shift from April to May is marked by an increase in the average high-temperature, moving from an enjoyable 65.8°F (18.8°C) to a moderately hot 74.8°F (23.8°C). Throughout the month of May, Coulterville expects an average low of 58.1°F (14.5°C).Humidity
May is the most humid month, with an average relative humidity of 79%.Rainfall
May is the month with the most rainfall in Coulterville. Rain falls for 14.3 days and accumulates 2.2" (56mm) of precipitation.Snowfall
In Coulterville, Illinois, snow does not fall in April through September.Daylight
In May, the average length of the day is 14h and 16min.On the first day of May in Coulterville, sunrise is at 6:00 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:36 am and sunset at 8:15 pm CDT.
Sunshine
The average sunshine in May in Coulterville is 9.4h.UV index
The average daily maximum UV index in May in Coulterville is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 5 in May translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Coulterville, IL
- Average high temperature in May: 74.8°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in May: 58.1°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in May
Coulterville, IL
- Average pressure in May: 29.96"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in May
Coulterville, IL
- Average wind speed in May: 7.5mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in May
Coulterville, IL
- Average humidity in May: 79%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Coulterville, IL
- Average rainfall in May: 2.2"
The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in May
Coulterville, IL
- Average rainfall days in May: 14.3 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in May
Coulterville, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in May
Coulterville, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.8 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
Coulterville, IL
- Average daylight in May: 14h and 18min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 9h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in May
Coulterville, IL
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is December (21.7 days).
The month with the least sunshine days is July (13 days).
Average UV index in May
Coulterville, 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
Coulterville, IL
- Average cloud cover in May: 37
The months with the most cloud cover are January and February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in May
Coulterville, IL
- 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).
