Climate and monthly weather forecast
Stoy, IL

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Weather in January

January, the same as December, is a wintry winter month in Stoy, Illinois, with temperature in the range of an average high of 36°F (2.2°C) and an average low of 23.4°F (-4.8°C). In Stoy, January is the coldest month, with temperatures averaging a high of 36°F (2.2°C) and 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 also an icy month, with temperature in the range of an average high of 41°F (5°C) and an average low of 27.3°F (-2.6°C). Stoy, Illinois, experiences a transition to a still wintry 41°F (5°C) in average high-temperatures with the arrival of February, not greatly differing from January's 36°F (2.2°C). Weather in February »

Weather in March

March, the first month of the spring in Stoy, is a fresh month, with an average temperature ranging between max 53.1°F (11.7°C) and min 36.7°F (2.6°C). The beginning of March signals a rise in the average high-temperature, moving from an icy 41°F (5°C) in February to a fresh 53.1°F (11.7°C). Weather in March »

Weather in April

April is a refreshing spring month in Stoy, Illinois, with an average temperature ranging between max 64°F (17.8°C) and min 46.9°F (8.3°C). Stoy sees an increase in the average high-temperature with the arrival of April, moving from March's fresh 53.1°F (11.7°C) to a refreshing 64°F (17.8°C). Weather in April »

Weather in May

May, the last month of the spring in Stoy, is a warm month, 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). Noticing a change, the average high-temperature during May moves from April's comfortable 64°F (17.8°C) to a warm 73.8°F (23.2°C). Weather in May »

Weather in June

June, the first month of the summer in Stoy, is still a warm month, with an average temperature varying between 65.3°F (18.5°C) and 81.9°F (27.7°C). June's arrival coincides with a subtle temperature rise, moving from May's 73.8°F (23.2°C) to a still warm 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). July, having an average high-temperature of 83.8°F (28.8°C) and an average low-temperature of 66.7°F (19.3°C), is the warmest month. The heat index in July is estimated at a tropical 93.2°F (34°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Stoy, Illinois, with an average temperature ranging between min 64.8°F (18.2°C) and max 82.2°F (27.9°C). An average high-temperature of a still warm 82.2°F (27.9°C) marks August, exhibiting a close resemblance to the conditions in July. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Stoy, Illinois, with an average temperature fluctuating between 77.9°F (25.5°C) and 59.5°F (15.3°C). The high-temperature average in September for Stoy is a still moderately hot 77.9°F (25.5°C), staying closely aligned with August's conditions. Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Stoy, Illinois, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 48.6°F (9.2°C). October brings a drop in Stoy's average high-temperature, falling from a moderately hot 77.9°F (25.5°C) in September to a refreshing 65.5°F (18.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Stoy, Illinois, with an average temperature ranging between min 37.4°F (3°C) and max 51.3°F (10.7°C). November implies a gentle temperature shift, with average high-temperatures reducing from October's comfortable 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 also an icy month in Stoy, Illinois, with an average temperature varying between 41°F (5°C) and 29.7°F (-1.3°C). A shift in the average high-temperature occurs in December, reducing from a fresh 51.3°F (10.7°C) in November to an icy 41°F (5°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest in Stoy?

Stoy's January weather reaches an average high of 36°F (2.2°C) and an average low of 23.4°F (-4.8°C), making it the coldest month.

How much does it rain in Stoy?

Throughout the year, in Stoy, Illinois, there are 147.2 rainfall days, and 27.87" (708mm) of precipitation is accumulated.

When does it snow in Stoy?

January through April, November and December are months with snowfall in Stoy.

When does it snow the most in Stoy?

January is the month with the most snowfall. Snow falls for 6 days and accumulates 1.61" (41mm) of snow.

How much does it snow in Stoy?

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 in Stoy?

January has the least sunshine of the year, with an average of 4.2h of sunshine.

What is the month with the lowest UV index in Stoy?

The months with the lowest UV index in Stoy, Illinois, are January, February, November and December, with an average maximum UV index of 2.

When is Daylight Saving Time (DST) in Stoy?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Stoy, 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 in Stoy?

April is the month with the most rainfall in Stoy, Illinois. Rain falls for 14.5 days and accumulates 4.13" (105mm) of precipitation.

When it does not snow in Stoy?

In Stoy, Illinois, snow does not fall in May through October.

What is the month with the highest UV index in Stoy?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Stoy, Illinois.

When are the longest days in Stoy?

The month with the longest days is June, with an average of 14h and 54min of daylight.

What month has the most sunshine in Stoy?

June has the most sunshine of the year in Stoy, Illinois, with an average of 10.3h of sunshine.

What is the warmest month in Stoy?

July is the month when Stoy, Illinois, experiences its warmest 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 in Stoy?

July and August, with an average relative humidity of 81%, are most humid months in Stoy, Illinois.

What is the driest month in Stoy?

September is the month with the least rainfall in Stoy, Illinois. Rain falls for 11.8 days and accumulates 1.46" (37mm) of precipitation.

What is the least humid month in Stoy?

The least humid month is October, with an average relative humidity of 71%.

What is the month with the shortest days in Stoy?

December has the shortest days of the year in Stoy, Illinois, with an average of 9h and 30min of daylight.

Average temperature
Stoy, IL

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 - Stoy, IL

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 - Stoy, IL

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

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 - Stoy, IL

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 - Stoy, IL

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

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 - Stoy, IL

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 / Average sunshine - Stoy, IL

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).

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 - Stoy, IL

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

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 visibility
Stoy, IL

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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