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
May's arrival brings a change in high-temperatures, moving from a moderate 59.5°F (15.3°C) in April to a pleasant 70.7°F (21.5°C). During May in Seaton, the average low-temperature is recorded at a cool 53.8°F (12.1°C).Humidity
The average relative humidity in May is 78%.Rainfall
May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 2.76" (70mm) of precipitation.Snowfall
In Seaton, snow does not fall in May through September.Daylight
In Seaton, the average length of the day in May is 14h and 30min.On the first day of May in Seaton, sunrise is at 5:59 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:29 pm CDT.
Sunshine
The average sunshine in May is 8.9h.UV index
In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In May, the maximum UV index of 5 transforms into these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's radiation is especially intense around midday; try to stay in shade during this period. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Seaton?
What is the average humidity in May in Seaton?
What is the rainiest month in Seaton?
How much does it rain in Seaton in May?
When it does not snow in Seaton?
Does it snow in Seaton in May?
What is the average length of the day in May in Seaton?
What time are sunrise and sunset in May in Seaton?
How many hours of sunshine does Seaton have in May?
What is the UV index intensity in May in Seaton?
Average temperature in May
Seaton, IL
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 53.8°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 (16.9°F).
Average pressure in May
Seaton, IL
- Average pressure in May: 29.94"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in May
Seaton, IL
- Average wind speed in May: 9mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in May
Seaton, 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 (71%).
Average rainfall in May
Seaton, IL
- Average rainfall in May: 2.76"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is December (0.67").
Average rainfall days in May
Seaton, IL
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in May
Seaton, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Seaton, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7.8 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
Seaton, 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 month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in May
Seaton, IL
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is May (12.1 days).
Average UV index in May
Seaton, IL
- Average UV index in May: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Seaton, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are August and September (Cloud cover 29).
Average visibility in May
Seaton, 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).
Seaton, Illinois, USA
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