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
A rise in the average high-temperature is observed during May, moving from a moderate 58.3°F (14.6°C) in April to a pleasant 70°F (21.1°C). During May, Fenton observes a consistent average nighttime temperature of 53.1°F (11.7°C).Humidity
In May, the average relative humidity in Fenton is 77%.Rainfall
May is the month with the most rainfall. Rain falls for 18.1 days and accumulates 4.41" (112mm) of precipitation.Snowfall
In Fenton, snow does not fall in May through September.Daylight
In Fenton, the average length of the day in May is 14h and 34min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:58 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:27 pm CDT.
Sunshine
In Fenton, Illinois, the average sunshine in May is 8.7h.UV index
In May, the average daily maximum UV index in Fenton is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 5 in May leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Fenton?
What is the average humidity in May in Fenton?
What is the wettest month in Fenton?
How many days does it rain in May in Fenton?
When it does not snow in Fenton?
Does it snow in Fenton in May?
How many hours of daylight does Fenton have in May?
What time are sunrise and sunset in May in Fenton?
How many hours of sunshine does Fenton have in May?
How high is the UV index in May in Fenton?
Average temperature in May
Fenton, IL
- Average high temperature in May: 70°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in May: 53.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure in May
Fenton, IL
- Average pressure in May: 29.95"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in May
Fenton, IL
- Average wind speed in May: 8.9mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in May
Fenton, IL
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (72%).
Average rainfall in May
Fenton, IL
- Average rainfall in May: 4.41"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in May
Fenton, IL
- Average rainfall days in May: 18.1 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in May
Fenton, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Fenton, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.3 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
Fenton, IL
- Average daylight in May: 14h and 4min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in May: 8h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in May
Fenton, IL
- Average sunshine days in May: 11.2 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in May
Fenton, IL
- Average UV index in May: 5
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Fenton, IL
- Average cloud cover in May: 42
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in May
Fenton, IL
- Average visibility in May: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Fenton, Illinois, USA
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