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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, is a wintry winter month in Sherman, Illinois, with an average temperature fluctuating between 20.8°F (-6.2°C) and 33.1°F (0.6°C). Sherman reaches its lowest average temperatures in January, measuring 33.1°F (0.6°C) at the peak and 20.8°F (-6.2°C) at the lowest. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Sherman, Illinois, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 37.9°F (3.3°C). Sherman registers an average high-temperature of a still icy 37.9°F (3.3°C) at the commencement of February, closely related to the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Sherman, is a cool month, with an average temperature ranging between min 35.6°F (2°C) and max 51.1°F (10.6°C). The start of March is characterized by an increase in the average high-temperature, transitioning from a cold 37.9°F (3.3°C) in February to a fresh 51.1°F (10.6°C). Weather in March »
Weather in April
April is an enjoyable spring month in Sherman, Illinois, with an average temperature varying between 46.2°F (7.9°C) and 63.1°F (17.3°C). Sherman in April experiences an increase in the average high-temperature, moving from March's cool 51.1°F (10.6°C) to an enjoyable 63.1°F (17.3°C). Weather in April »
Weather in May
May, the last month of the spring in Sherman, is an agreeable month, with an average temperature fluctuating between 72.9°F (22.7°C) and 56.5°F (13.6°C). An increase in the average high-temperature marks May, moving from April's comfortable 63.1°F (17.3°C) to an agreeable 72.9°F (22.7°C). Weather in May »
Weather in June
June, the first month of the summer in Sherman, is a warm month, with an average temperature fluctuating between 81.1°F (27.3°C) and 64.4°F (18°C). As June arrives, Sherman's weather shows a minor increase in high-temperatures, edging from May's agreeable 72.9°F (22.7°C) to a moderately hot 81.1°F (27.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Sherman, Illinois, with an average temperature ranging between min 66°F (18.9°C) and max 82.8°F (28.2°C). July proves to be the warmest month, recording an average peak temperature of 82.8°F (28.2°C) and a minimum temperature of 66°F (18.9°C). The average heat index in July is calculated to be a tropical 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Sherman, is another warm month, with an average temperature ranging between min 64°F (17.8°C) and max 81.7°F (27.6°C). The onset of August brings with it an average high-temperature of a still warm 81.7°F (27.6°C), showing a negligible variation from the month before. Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Sherman, Illinois, with an average temperature varying between 77.2°F (25.1°C) and 58.5°F (14.7°C). With September's arrival, Sherman notes an average high-temperature of a still moderately hot 77.2°F (25.1°C), closely following the trend of the preceding month. Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Sherman, Illinois, with an average temperature fluctuating between 64°F (17.8°C) and 48.2°F (9°C). October's onset brings a reduction in the average high-temperature, from a warm 77.2°F (25.1°C) in September to an enjoyable 64°F (17.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Sherman, is another cool month, with an average temperature ranging between max 50°F (10°C) and min 36.5°F (2.5°C). November's arrival coincides with a drop in the average high-temperature, decreasing from October's enjoyable 64°F (17.8°C) to a cool 50°F (10°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Sherman, Illinois, with an average temperature fluctuating between 28.2°F (-2.1°C) and 38.7°F (3.7°C). Sherman's progression into December involves a drop in the average high-temperature, receding from a fresh 50°F (10°C) in November to a wintry 38.7°F (3.7°C). Weather in December »
[Resources]Frequently asked questions
What time of the year is the coldest in Sherman?
Sherman's coldest month, January, registers temperatures that range from a high of 33.1°F (0.6°C) to a low of 20.8°F (-6.2°C).
How much does it rain in Sherman?
Throughout the year, in Sherman, there are 131.5 rainfall days, and 18.54" (471mm) of precipitation is accumulated.
When does it snow in Sherman?
January through April, November and December are months with snowfall.
When does it snow the most in Sherman?
The month with the most snowfall in Sherman is January, when snow falls for 8 days and typically aggregates up to 1.81" (46mm) of snow.
How many days does it snow in Sherman?
In Sherman, during the entire year, snow falls for 24.5 days and aggregates up to 5.51" (140mm) of snow.
What is the month with the least sunshine in Sherman?
The month with the least sunshine is January, with an average of 4.1h of sunshine.
When is the lowest UV index in Sherman?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Sherman?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Sherman, 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.
When it does not snow in Sherman?
In Sherman, Illinois, snow does not fall in May through October.
What is the rainiest month in Sherman?
The month with the most rainfall is June, when the rain falls for 14.6 days and typically aggregates up to 2.36" (60mm) of precipitation.
When are the longest days in Sherman?
The month with the longest days in Sherman, Illinois, is June, with an average of 15h and 0min of daylight.
What month has the most sunshine in Sherman?
June has the most sunshine of the year, with an average of 10.4h of sunshine.
What are the months with the highest UV index in Sherman?
June through August, with an average maximum UV index of 6, are months with the highest UV index in Sherman.
What is the hottest time of year in Sherman?
In Sherman, July is the month with the highest recorded average temperatures, measuring a high of 82.8°F (28.2°C) and a low of 66°F (18.9°C).
What is the most humid month in Sherman?
With an average relative humidity of 84%, July is the most humid month.
What is the least humid month in Sherman?
October is the least humid month, with an average relative humidity of 70%.
What is the driest month in Sherman?
The month with the least rainfall in Sherman, Illinois, is December, when the rain falls for 6.6 days and typically collects 0.83" (21mm) of precipitation.
What is the month with the shortest days in Sherman?
December has the shortest days of the year in Sherman, Illinois, with an average of 9h and 24min of daylight.
Average temperature
Sherman, IL
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (33.1°F).
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure
Sherman, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"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:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Sherman, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.3mph - Average wind speed in March:
10.1mph - Average wind speed in April:
10.4mph - Average wind speed in May:
8.6mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.2mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.1mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.8mph
The windiest months (with the highest average wind speed) are January and April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity
Sherman, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Sherman, IL
- Average rainfall in January:
1.06" - Average rainfall in February:
0.98" - Average rainfall in March:
1.34" - Average rainfall in April:
2.05" - Average rainfall in May:
2.09" - Average rainfall in June:
2.36"
- Average rainfall in July:
1.69" - Average rainfall in August:
1.89" - Average rainfall in September:
1.85" - Average rainfall in October:
1.46" - Average rainfall in November:
0.94" - Average rainfall in December:
0.83"
The wettest month (with the highest rainfall) is June (2.36").
The driest month (with the least rainfall) is December (0.83").
Average rainfall days
Sherman, IL
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.6 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.6 days
- Average rainfall days in July:
14.6 days - Average rainfall days in August:
12.8 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
6.6 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is February (5.7 days).
Average snowfall
Sherman, IL
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Sherman, IL
- Average snowfall days in January:
8 days - Average snowfall days in February:
6.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.5 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:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.8 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Sherman, 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 2min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 2min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days
Sherman, IL
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
13.1 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
16.8 days - Average sunshine days in October:
20 days - Average sunshine days in November:
19.9 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index
Sherman, IL
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
Sherman, IL
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility
Sherman, 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).
Sherman, Illinois, USA
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