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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, in Sheffield, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 16.7°F (-8.5°C). Sheffield, Illinois, notes the coldest temperatures in January, with a high average of 28.8°F (-1.8°C) and a low of 16.7°F (-8.5°C). Weather in January »
Weather in February
The last month of the winter, February, is a cold month in Sheffield, Illinois, with an average temperature fluctuating between 20.5°F (-6.4°C) and 33.3°F (0.7°C). February's climate shows a minor adjustment in average high-temperatures to an icy 33.3°F (0.7°C) from January's 28.8°F (-1.8°C). Weather in February »
Weather in March
March, the first month of the spring in Sheffield, is a frosty month, with an average temperature fluctuating between 32.4°F (0.2°C) and 47.1°F (8.4°C). Noticing a change, the average high-temperature during March moves from February's icy 33.3°F (0.7°C) to a chilly 47.1°F (8.4°C). Weather in March »
Weather in April
April is a mild spring month in Sheffield, Illinois, with temperature in the range of an average low of 42.4°F (5.8°C) and an average high of 59.2°F (15.1°C). The onset of April brings a temperature shift, with the average high-temperature moving from a chilly 47.1°F (8.4°C) in March to a mild 59.2°F (15.1°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Sheffield, Illinois, with an average temperature fluctuating between 53.6°F (12°C) and 70.7°F (21.5°C). An increase in the average high-temperature marks May, moving from April's mild 59.2°F (15.1°C) to an agreeable 70.7°F (21.5°C). Weather in May »
Weather in June
June, the first month of the summer in Sheffield, is a warm month, with an average temperature varying between 62.1°F (16.7°C) and 78.6°F (25.9°C). A slight uplift of average high-temperatures is noted in June, with temperatures adjusting from an agreeable 70.7°F (21.5°C) in May to a moderately hot 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Sheffield, Illinois, with an average temperature fluctuating between 64.6°F (18.1°C) and 81°F (27.2°C). July registers as the month with the highest average temperatures, reaching 81°F (27.2°C) at its peak and 64.6°F (18.1°C) at the lowest. In July, the average heat index is evaluated at a hot 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Sheffield, is another warm month, with temperature in the range of an average high of 80.1°F (26.7°C) and an average low of 62.6°F (17°C). Sheffield marks the arrival of August with an average high-temperature of a still warm 80.1°F (26.7°C), hardly different from July's 81°F (27.2°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Sheffield, Illinois, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 56.3°F (13.5°C). September's onset sees an average high-temperature of a still moderately hot 74.8°F (23.8°C), exhibiting a slight fluctuation from the previous month. Weather in September »
Weather in October
October, like September, in Sheffield, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 61.3°F (16.3°C) and 45.5°F (7.5°C). As October begins, there is a decrease in the average high-temperature, falling from a moderately hot 74.8°F (23.8°C) in September to a comfortable 61.3°F (16.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Sheffield, is another chilly month, with an average temperature varying between 33.4°F (0.8°C) and 47.1°F (8.4°C). The onset of November brings a small change in high-temperatures, falling from an enjoyable 61.3°F (16.3°C) in October to a chilly 47.1°F (8.4°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Sheffield, Illinois, with an average temperature varying between 34.7°F (1.5°C) and 24.1°F (-4.4°C). In the transition to December, Sheffield observes a drop in the average high-temperature, moving from a chilly 47.1°F (8.4°C) in November to a cold 34.7°F (1.5°C). Weather in December »
Updated: Jun 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
January is the coldest month in Sheffield, exhibiting average temperatures of 28.8°F (-1.8°C) at the peak and 16.7°F (-8.5°C) at the base.
What is the driest month?
January and December are months with the least rain when the rain falls for 6.1 days and typically aggregates up to 1.42" (36mm) of rain.
How much does it rain?
Throughout the year, there are 147.2 rainfall days, and 29.17" (741mm) of precipitation is accumulated.
When does it snow in Sheffield?
Months with snowfall are January through April, October through December.
What is the snowiest month?
January is the month with the most snowfall. Snow falls for 11.4 days and accumulates 3.66" (93mm) of snow.
How much does it snow?
In Sheffield, during the entire year, snow falls for 37 days and aggregates up to 12.91" (328mm) of snow.
What is the month with the least sunshine?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
When is the lowest UV index in Sheffield?
January is the month with the lowest UV index, with an average maximum UV index of 1.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sheffield, Illinois, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
What is the rainiest month?
May is the month with the most rainfall. Rain falls for 18.3 days and accumulates 4.45" (113mm) of precipitation.
When it does not snow?
In Sheffield, snow does not fall in May through September.
When are the longest days?
With an average of 15h and 6min of daylight, June has the longest days of the year.
What is the month with the most sunshine?
The months with the most sunshine are June and July, with an average of 10h of sunshine.
When is the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
Sheffield's warmest weather arrives in July, when temperatures average a high of 81°F (27.2°C) and a low of 64.6°F (18.1°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 84%.
What is the least humid month?
With an average relative humidity of 72%, October is the least humid month.
What is the month with the shortest days in Sheffield?
December has the shortest days of the year, with an average of 9h and 12min of daylight.
Average temperature
Sheffield, IL
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).
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
Sheffield, IL
- Average pressure in January:
30.13"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.11"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
Sheffield, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.8mph - Average wind speed in October:
9.4mph - Average wind speed in November:
10.3mph - Average wind speed in December:
9.9mph
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
Sheffield, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Sheffield, IL
- Average rainfall in January:
1.42" - Average rainfall in February:
1.57" - Average rainfall in March:
2.05" - Average rainfall in April:
3.5" - Average rainfall in May:
4.45" - Average rainfall in June:
3.31"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.01" - Average rainfall in September:
2.05" - Average rainfall in October:
2.72" - Average rainfall in November:
1.81" - Average rainfall in December:
1.42"
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
Sheffield, IL
- Average rainfall days in January:
6.1 days - Average rainfall days in February:
5.6 days - Average rainfall days in March:
12.7 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
18.3 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
17.1 days - Average rainfall days in August:
13.8 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
12.3 days - Average rainfall days in November:
8.4 days - Average rainfall days in December:
7.9 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
Sheffield, IL
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
Sheffield, IL
- Average snowfall days in January:
11.4 days - Average snowfall days in February:
9.1 days - Average snowfall days in March:
4.5 days - Average snowfall days in April:
1.2 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.5 days - Average snowfall days in November:
3 days - Average snowfall days in December:
7.3 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 / Average sunshine
Sheffield, IL
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 1min
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
Sheffield, IL
- Average sunshine days in January:
15.2 days - Average sunshine days in February:
13.6 days - Average sunshine days in March:
14.1 days - Average sunshine days in April:
11.5 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10.6 days - Average sunshine days in August:
14.4 days - Average sunshine days in September:
16.2 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
18 days - Average sunshine days in December:
17.5 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
Sheffield, IL
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
Sheffield, IL
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
Sheffield, IL
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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