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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 Stoy, Illinois, is an icy winter month, with an average temperature varying between 36°F (2.2°C) and 23.4°F (-4.8°C). Stoy's coldest month, January, registers temperatures that range from a high of 36°F (2.2°C) to a low of 23.4°F (-4.8°C). Weather in January »
Weather in February
February, the last month of the winter in Stoy, is another cold month, with an average temperature varying between 27.3°F (-2.6°C) and 41°F (5°C). As February takes its course, Stoy's average high-temperature registers at a still wintry 41°F (5°C), closely aligning with the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Stoy, is a cool month, with temperature in the range of an average low of 36.7°F (2.6°C) and an average high of 53.1°F (11.7°C). As March arrives, a rise in the average high-temperature is observed, moving from an icy 41°F (5°C) in February to a cool 53.1°F (11.7°C). Weather in March »
Weather in April
April is an enjoyable spring month in Stoy, Illinois, with temperature in the range of an average high of 64°F (17.8°C) and an average low of 46.9°F (8.3°C). The onset of April marks an increase in the average high-temperature, moving from a cool 53.1°F (11.7°C) in March to a comfortable 64°F (17.8°C). Weather in April »
Weather in May
The last month of the spring, May, is a warm month in Stoy, Illinois, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 73.8°F (23.2°C). Entering May, Stoy sees a temperature rise, with the average high-temperature advancing from April's enjoyable 64°F (17.8°C) to a moderately hot 73.8°F (23.2°C). Weather in May »
Weather in June
June, the first month of the summer in Stoy, is also a moderately hot month, with temperature in the range of an average high of 81.9°F (27.7°C) and an average low of 65.3°F (18.5°C). June comes with a subtle rise, with the average high-temperature adjusting from 73.8°F (23.2°C) in May to a still moderately hot 81.9°F (27.7°C). Weather in June »
Weather in July
July, like June, in Stoy, Illinois, is another warm summer month, with an average temperature ranging between max 83.8°F (28.8°C) and min 66.7°F (19.3°C). The temperatures reach their highest averages in July, with highs of 83.8°F (28.8°C) and lows of 66.7°F (19.3°C). July's heat index is evaluated at a tropical 93.2°F (34°C). Weather in July »
Weather in August
August, the last month of the summer in Stoy, is also a moderately hot month, with an average temperature fluctuating between 82.2°F (27.9°C) and 64.8°F (18.2°C). The start of August marks an average high-temperature of a still warm 82.2°F (27.9°C), hardly distinguishable from the conditions in July. Weather in August »
Weather in September
September, the first month of the autumn in Stoy, is still a warm month, with an average temperature ranging between min 59.5°F (15.3°C) and max 77.9°F (25.5°C). Entering September, the average high-temperature is recorded at a still moderately hot 77.9°F (25.5°C), exhibiting a minimal shift from August's 82.2°F (27.9°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Stoy, Illinois, with an average temperature fluctuating between 48.6°F (9.2°C) and 65.5°F (18.6°C). In Stoy, the average high-temperature in October drops from a moderately hot 77.9°F (25.5°C) in September to an enjoyable 65.5°F (18.6°C). Weather in October »
Weather in November
November, the last month of the autumn in Stoy, is also a fresh month, with an average temperature ranging between max 51.3°F (10.7°C) and min 37.4°F (3°C). The average high-temperature drops in November, from October's enjoyable 65.5°F (18.6°C) to a cool 51.3°F (10.7°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Stoy, Illinois, with an average temperature varying between 29.7°F (-1.3°C) and 41°F (5°C). In December, the average high-temperature goes from a fresh 51.3°F (10.7°C) in November to a cold 41°F (5°C). Weather in December »
Updated: Aug 28, 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, characterized by an average high temperature of 36°F (2.2°C) and a low temperature of 23.4°F (-4.8°C), is generally the coldest month.
How many days does it rain?
In Stoy, during the entire year, the rain falls for 147.2 days and collects up to 27.87" (708mm) of precipitation.
When does it snow in Stoy?
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 6 days and typically aggregates up to 1.61" (41mm) of snow.
How many days does it snow?
Throughout the year, there are 21.1 snowfall days, and 5.16" (131mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.2h of sunshine, January has the least sunshine of the year.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Stoy, 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?
April is the month with the most rainfall. Rain falls for 14.5 days and accumulates 4.13" (105mm) of precipitation.
When it does not snow?
May through October are months without snowfall.
When is the highest UV index?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
When are the longest days?
June has the longest days of the year, with an average of 14h and 54min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 10.3h of sunshine.
What month is the hottest?
In Stoy, July is the warmest month, with temperatures averaging a high of 83.8°F (28.8°C) and a low of 66.7°F (19.3°C).
What is the most humid month?
July and August, with an average relative humidity of 81%, are most humid months.
What is the driest month in Stoy?
September is the month with the least rainfall. Rain falls for 11.8 days and accumulates 1.46" (37mm) of precipitation.
What is the least humid month?
October is the least humid month, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Stoy, IL
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (36°F).
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure
Stoy, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Stoy, IL
- Average wind speed in January:
10.1mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.9mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.2mph - Average wind speed in June:
7.1mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.6mph - Average wind speed in November:
9.1mph - Average wind speed in December:
9.2mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity
Stoy, IL
The months with the highest relative humidity are July and August (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Stoy, IL
- Average rainfall in January:
1.93" - Average rainfall in February:
1.5" - Average rainfall in March:
2.13" - Average rainfall in April:
4.13" - Average rainfall in May:
3.03" - Average rainfall in June:
2.8"
- Average rainfall in July:
2.64" - Average rainfall in August:
2.17" - Average rainfall in September:
1.46" - Average rainfall in October:
1.97" - Average rainfall in November:
1.89" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is April (4.13").
The driest month (with the least rainfall) is September (1.46").
Average rainfall days
Stoy, IL
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
14.5 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
14.3 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
13 days - Average rainfall days in September:
11.8 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
9.1 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (8.3 days).
Average snowfall
Stoy, IL
The month with the highest snowfall is January (1.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Stoy, IL
- Average snowfall days in January:
6 days - Average snowfall days in February:
5.2 days - Average snowfall days in March:
2.9 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
1.7 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Stoy, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - 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:
14h and 5min
- 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 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 1min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 0min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 1min - Average sunshine in September:
8h and 5min - Average sunshine in October:
6h and 3min - 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 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days
Stoy, IL
- Average sunshine days in January:
17 days - Average sunshine days in February:
14.2 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10.8 days - Average sunshine days in June:
11.9 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
14.9 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
18.2 days - Average sunshine days in December:
16.6 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.8 days).
Average UV index
Stoy, IL
The months with the highest UV index are May, 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
Stoy, IL
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Stoy, IL
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Stoy, Illinois, USA
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