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
In Sheffield, the average high-temperature in May rises, from a moderate 59.2°F (15.1°C) in April, to an agreeable 70.7°F (21.5°C). The average temperature during May nights dips to a cool 53.6°F (12°C).Humidity
In May, the average relative humidity in Sheffield is 78%.Rainfall
The month with the most rainfall in Sheffield is May, when the rain falls for 18.3 days and typically aggregates up to 4.45" (113mm) of precipitation.Snowfall
In Sheffield, snow does not fall in May through September.Daylight
In Sheffield, the average length of the day in May is 14h and 32min.On the first day of the month, sunrise is at 5:55 am and sunset at 7:56 pm. On the last day of May, sunrise is at 5:27 am and sunset at 8:25 pm CDT.
Sunshine
In May, the average sunshine is 8.8h.UV index
In May, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during May leads to these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What are May temperatures in Sheffield?
What is the average humidity in May in Sheffield?
What is the wettest month in Sheffield?
How many days does it rain in May in Sheffield?
When it does not snow in Sheffield?
Does it snow in Sheffield in May?
How many hours of daylight does Sheffield have in May?
What time are sunrise and sunset in May in Sheffield?
How long on average sun shines in May in Sheffield?
How high is the UV index in May in Sheffield?
Average temperature in May
Sheffield, IL
- Average high temperature in May: 70.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in May: 53.6°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in May
Sheffield, 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
Sheffield, IL
- Average wind speed in May: 9.1mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in May
Sheffield, 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
Sheffield, IL
- Average rainfall in May: 4.45"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").
Average rainfall days in May
Sheffield, IL
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in May
Sheffield, IL
- Average snowfall in May: 0"
The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in May
Sheffield, IL
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (11.4 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
Sheffield, 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 12min).
- 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
Sheffield, IL
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in May
Sheffield, 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
Sheffield, IL
- Average cloud cover in May: 41
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in May
Sheffield, 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).
Sheffield, Illinois, USA
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