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 an increase in high-temperatures, moving from a refreshing 65.8°F (18.8°C) in April to a warm 75.2°F (24°C). In Valier, the nighttime temperature averages to a refreshing 58.1°F (14.5°C) during May.Humidity
May is the most humid month, with an average relative humidity of 79%.Rainfall
In Valier, in May, during 13.9 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Valier, during the entire year, the rain falls for 122.7 days and collects up to 18.03" (458mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May in Valier is 14h and 14min.On the first day of May, sunrise is at 5:58 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 5:35 am and sunset at 8:12 pm CDT.
Sunshine
In May, the average sunshine is 9.1h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 6 in May converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the most humid month?
What is the average humidity in May?
How much does it rain in May?
When it does not snow?
Does it snow in May?
What is the average length of the day in May in Valier?
When is the sunrise / sunset in May?
How many hours of sunshine does Valier have in May?
What is the month with the highest UV index?
How high is the UV index in May?
Average temperature in May
Valier, IL
- Average high temperature in May: 75.2°F
The warmest month (with the highest average high temperature) is July (87.1°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 (25.7°F).
Average pressure in May
Valier, IL
- Average pressure in May: 29.97"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
Valier, IL
- Average wind speed in May: 8mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity in May
Valier, 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 (70%).
Average rainfall in May
Valier, IL
- Average rainfall in May: 2.05"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in May
Valier, IL
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in May
Valier, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Valier, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (4.5 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
Valier, IL
- Average daylight in May: 14h and 1min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in May
Valier, IL
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (13.8 days).
Average UV index in May
Valier, IL
- Average UV index in May: 6
The months with the highest UV index are May, 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
Valier, IL
- Average cloud cover in May: 38
The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in May
Valier, 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).
Valier, Illinois, USA
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