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, Atwater's weather sees a temperature rise, transitioning from a comfortable 63.5°F (17.5°C) in April to an agreeable 73.2°F (22.9°C). An average low-temperature of 56.8°F (13.8°C) is noted during the nights in May.Humidity
The average relative humidity in May in Atwater is 78%.Rainfall
In May, in Atwater, the rain falls for 17.8 days. Throughout May, 3.54" (90mm) of precipitation is accumulated. In Atwater, during the entire year, the rain falls for 151.5 days and collects up to 31.3" (795mm) of precipitation.Snowfall
May through October are months without snowfall in Atwater.Daylight
The average length of the day in May in Atwater, Illinois, is 14h and 21min.On the first day of May in Atwater, Illinois, sunrise is at 5:59 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 5:34 am and sunset at 8:19 pm CDT.
Sunshine
In Atwater, the average sunshine in May is 9.2h.UV index
In Atwater, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during May translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Frequently asked questions
What are May temperatures in Atwater?
What is the average humidity in May in Atwater?
How many days does it rain in May in Atwater?
When it does not snow in Atwater?
Does it snow in Atwater in May?
What is the average length of the day in May in Atwater?
What time are sunrise and sunset in May in Atwater?
How long on average sun shines in May in Atwater?
How high is the UV index in May in Atwater?
Average temperature in May
Atwater, IL
- Average high temperature in May: 73.2°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in May: 56.8°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in May
Atwater, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in May
Atwater, IL
- Average wind speed in May: 8.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in May
Atwater, IL
- Average humidity in May: 78%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in May
Atwater, IL
- Average rainfall in May: 3.54"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is December (1.73").
Average rainfall days in May
Atwater, IL
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in May
Atwater, IL
- Average snowfall in May: 0"
The month with the highest snowfall is February (3.19").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in May
Atwater, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.5 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
Atwater, IL
- Average daylight in May: 14h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in May
Atwater, IL
- Average sunshine days in May: 10.6 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in May
Atwater, 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
Atwater, IL
- Average cloud cover in May: 38
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).
Average visibility in May
Atwater, 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).
Atwater, Illinois, USA
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