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
Williamsfield in May experiences an increase in the average high-temperature, moving from April's refreshing 59.7°F (15.4°C) to a pleasant 71.1°F (21.7°C). During May in Williamsfield, the average low-temperature is recorded at a cool 54.1°F (12.3°C).Humidity
In May, the average relative humidity is 78%.Rainfall
The month with the most rainfall in Williamsfield is May, when the rain falls for 15.2 days and typically aggregates up to 2.24" (57mm) of precipitation.Snowfall
May through September are months without snowfall in Williamsfield.Daylight
In May, the average length of the day in Williamsfield is 14h and 29min.On the first day of the month, sunrise is at 5:57 am and sunset at 7:57 pm. On the last day of May, sunrise is at 5:30 am and sunset at 8:25 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
The average daily maximum UV index in May in Williamsfield is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in May interprets into the following advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature in Williamsfield?
What is the average humidity in May in Williamsfield?
What is the wettest month in Williamsfield?
How many days does it rain in May in Williamsfield?
When it does not snow in Williamsfield?
Does it snow in Williamsfield in May?
What is the average length of the day in May in Williamsfield?
When are sunrise and sunset in May in Williamsfield?
How long on average sun shines in May in Williamsfield?
What is the UV index reading in May in Williamsfield?
Average temperature in May
Williamsfield, IL
- Average high temperature in May: 71.1°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in May: 54.1°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in May
Williamsfield, 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
Williamsfield, IL
- Average wind speed in May: 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
Williamsfield, 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
Williamsfield, IL
- Average rainfall in May: 2.24"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in May
Williamsfield, IL
- Average rainfall days in May: 15.2 days
The month with the highest number of rainy days is May (15.2 days).
The months with the least rainy days are January and February (4.2 days).
Average snowfall in May
Williamsfield, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Williamsfield, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.6 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
Williamsfield, IL
- Average daylight in May: 14h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in May: 8h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Williamsfield, IL
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in May
Williamsfield, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Williamsfield, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Williamsfield, 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).
Williamsfield, Illinois, USA
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