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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, like December, in Forsyth, Illinois, is a wintry winter month, with an average temperature fluctuating between 20.1°F (-6.6°C) and 32.4°F (0.2°C). The month of January, characterized by an average high of 32.4°F (0.2°C) and a low of 20.1°F (-6.6°C), is recognized as the coldest. Weather in January »
Weather in February
The last month of the winter, February, is another cold month in Forsyth, Illinois, with an average temperature fluctuating between 24.3°F (-4.3°C) and 37.2°F (2.9°C). The transition into February marks the average high-temperature at a still wintry 37.2°F (2.9°C), differing minimally from January's 32.4°F (0.2°C). Weather in February »
Weather in March
March, the first month of the spring in Forsyth, is a chilly month, with an average temperature varying between 34.9°F (1.6°C) and 49.6°F (9.8°C). March indicates a change in the average high-temperature, moving up from an icy 37.2°F (2.9°C) in February to a chilly 49.6°F (9.8°C). Weather in March »
Weather in April
April is a refreshing spring month in Forsyth, Illinois, with an average temperature ranging between min 46°F (7.8°C) and max 61.5°F (16.4°C). April brings an increase in the average high-temperature, progressing from a chilly 49.6°F (9.8°C) in March to an enjoyable 61.5°F (16.4°C). Weather in April »
Weather in May
May, the last month of the spring in Forsyth, is an agreeable month, with temperature in the range of an average low of 56.1°F (13.4°C) and an average high of 72.7°F (22.6°C). Forsyth's weather shows a temperature rise with the arrival of May, moving from an enjoyable 61.5°F (16.4°C) in April to a pleasant 72.7°F (22.6°C). Weather in May »
Weather in June
June, the first month of the summer in Forsyth, is a moderately hot month, with an average temperature varying between 63.9°F (17.7°C) and 80.2°F (26.8°C). June introduces a minor temperature shift, with average high-temperatures adjusting from May's agreeable 72.7°F (22.6°C) to a moderately hot 80.2°F (26.8°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Forsyth, Illinois, with an average temperature ranging between max 81.9°F (27.7°C) and min 65.3°F (18.5°C). Temperature readings reach their annual highs in July, averaging 81.9°F (27.7°C) and a minimum average of 65.3°F (18.5°C). July's average heat index is evaluated at a hot 89.6°F (32°C). Weather in July »
Weather in August
August, the last month of the summer in Forsyth, is also a moderately hot month, with an average temperature fluctuating between 81.1°F (27.3°C) and 63.7°F (17.6°C). Forsyth experiences a transition to a still moderately hot 81.1°F (27.3°C) in average high-temperatures with the arrival of August, not greatly differing from July's 81.9°F (27.7°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Forsyth, Illinois, with an average temperature varying between 58.3°F (14.6°C) and 76.6°F (24.8°C). September begins with an average high-temperature of a still warm 76.6°F (24.8°C), reflecting close similarity to the preceding month. Weather in September »
Weather in October
October, like September, in Forsyth, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 63.9°F (17.7°C) and 47.8°F (8.8°C). As September transitions to October, the average high-temperature falls from a warm 76.6°F (24.8°C) to an enjoyable 63.9°F (17.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Forsyth, Illinois, with an average temperature fluctuating between 49.3°F (9.6°C) and 35.6°F (2°C). November is characterized by a noticeable reduction in the average high-temperature, falling from an enjoyable 63.9°F (17.7°C) in October to a frosty 49.3°F (9.6°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Forsyth, Illinois, with an average temperature fluctuating between 27.5°F (-2.5°C) and 38.1°F (3.4°C). The arrival of December indicates a decrease in the average high-temperature, moving from a frosty 49.3°F (9.6°C) in November to a cold 38.1°F (3.4°C). Weather in December »
Updated: Jul 25, 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 are the coldest months?
The coldest month is January, with an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 20.1°F (-6.6°C).
How many days does it rain in Forsyth?
In Forsyth, during the entire year, the rain falls for 139.9 days and collects up to 20.91" (531mm) of precipitation.
When does it snow?
January through April, November and December are months with snowfall.
When does it snow the most?
The month with the most snowfall is January, when snow falls for 9.3 days and typically aggregates up to 2.13" (54mm) of snow.
How much does it snow?
Throughout the year, there are 30.3 snowfall days, and 6.89" (175mm) of snow is accumulated.
What is the month with the least sunshine in Forsyth?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
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)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Forsyth, 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 wettest month?
The month with the most rainfall is May, when the rain falls for 17.2 days and typically aggregates up to 2.52" (64mm) of precipitation.
When it does not snow in Forsyth?
In Forsyth, snow does not fall in May through October.
When are the longest days?
The month with the longest days is June, with an average of 15h and 0min of daylight.
What month has the most sunshine in Forsyth?
With an average of 10.1h of sunshine, June has the most sunshine of the year in Forsyth.
What are the months with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
Forsyth witnesses the warmest weather in July, with temperatures averaging a high of 81.9°F (27.7°C) and a low of 65.3°F (18.5°C).
What is the most humid month?
July is the most humid month, with an average relative humidity of 84%.
What is the least humid month?
The least humid month is October, with an average relative humidity of 70%.
What is the driest month?
The month with the least rainfall is December, when the rain falls for 8.1 days and typically collects 1.06" (27mm) of precipitation.
What is the month with the shortest days in Forsyth?
The month with the shortest days is December, with an average of 9h and 24min of daylight.
Average temperature
Forsyth, IL
The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (32.4°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure
Forsyth, IL
- Average pressure in January:
30.14"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:
29.96"Hg - Average pressure in June:
29.92"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 (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Forsyth, IL
- Average wind speed in January:
10.7mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9mph - Average wind speed in June:
7.7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.4mph - Average wind speed in October:
9.5mph - Average wind speed in November:
10.2mph - Average wind speed in December:
10.1mph
The windiest months (with the highest average wind speed) are January, February and April (10.7mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity
Forsyth, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (70%).
Average rainfall
Forsyth, IL
- Average rainfall in January:
1.42" - Average rainfall in February:
1.14" - Average rainfall in March:
1.61" - Average rainfall in April:
2.4" - Average rainfall in May:
2.52" - Average rainfall in June:
2.32"
- Average rainfall in July:
1.97" - Average rainfall in August:
2.05" - Average rainfall in September:
1.26" - Average rainfall in October:
1.81" - Average rainfall in November:
1.34" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is December (1.06").
Average rainfall days
Forsyth, IL
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
14.3 days - Average rainfall days in May:
17.2 days - Average rainfall days in June:
15.3 days
- Average rainfall days in July:
16.4 days - Average rainfall days in August:
13.9 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
8.1 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.2 days).
Average snowfall
Forsyth, IL
The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Forsyth, IL
- Average snowfall days in January:
9.3 days - Average snowfall days in February:
7.3 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.9 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:
0.1 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
7.1 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Forsyth, 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:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 4min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Forsyth, IL
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
14.7 days - Average sunshine days in March:
16.2 days - Average sunshine days in April:
13 days - Average sunshine days in May:
10.5 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
13.3 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.9 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.7 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index
Forsyth, 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
Forsyth, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Forsyth, 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).
Forsyth, Illinois, USA
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