Climate and monthly weather forecast
Wasco, IL

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Weather in January

January, the same as December, in Wasco, Illinois, is another subzero cold winter month, with an average temperature varying between 16.2°F (-8.8°C) and 27.9°F (-2.3°C). Wasco experiences its lowest average temperatures in January, reaching a peak of 27.9°F (-2.3°C) and a minimum of 16.2°F (-8.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Wasco, Illinois, with an average temperature fluctuating between 19°F (-7.2°C) and 31.8°F (-0.1°C). The transition from January to February sees an average high-temperature of a still subzero cold 31.8°F (-0.1°C), indicating a minor variance from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Wasco, is a chilly month, with temperature in the range of an average high of 44.8°F (7.1°C) and an average low of 30.6°F (-0.8°C). Wasco's March weather shows an increase in high-temperatures, moving from February's subzero cold 31.8°F (-0.1°C) to a frosty 44.8°F (7.1°C). Weather in March »

Weather in April

April is a refreshing spring month in Wasco, Illinois, with an average temperature ranging between min 40.1°F (4.5°C) and max 56.1°F (13.4°C). The shift from March to April brings an increase in the average high-temperature, moving from a chilly 44.8°F (7.1°C) to a moderate 56.1°F (13.4°C). Weather in April »

Weather in May

May, the last month of the spring in Wasco, is an agreeable month, with an average temperature fluctuating between 68.2°F (20.1°C) and 51.4°F (10.8°C). May's arrival is marked by an increase in the average high-temperature, moving from a mild 56.1°F (13.4°C) in April to a pleasant 68.2°F (20.1°C). Weather in May »

Weather in June

June, the first month of the summer in Wasco, is a moderately hot month, with an average temperature fluctuating between 77.5°F (25.3°C) and 60.1°F (15.6°C). June's arrival coincides with a rise in the average high-temperature, moving from May's pleasant 68.2°F (20.1°C) to a moderately hot 77.5°F (25.3°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Wasco, Illinois, with temperature in the range of an average low of 64.2°F (17.9°C) and an average high of 81°F (27.2°C). Wasco's temperatures peak on average in July, reaching 81°F (27.2°C) at their highest and 64.2°F (17.9°C) at their lowest. The heat index in July is evaluated at a hot 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Wasco, is another warm month, with an average temperature fluctuating between 79.5°F (26.4°C) and 62.8°F (17.1°C). The arrival of August denotes a barely perceptible change in the average high-temperatures to a still warm 79.5°F (26.4°C) from July's 81°F (27.2°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Wasco, Illinois, with an average temperature fluctuating between 73.4°F (23°C) and 56.5°F (13.6°C). A moderate decline in average high-temperatures is noted in September, moving from 79.5°F (26.4°C) in August to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Wasco, Illinois, with temperature in the range of an average high of 60.3°F (15.7°C) and an average low of 44.8°F (7.1°C). The start of October involves a temperature drop, moving from a warm 73.4°F (23°C) in September to a refreshing 60.3°F (15.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Wasco, is also a frosty month, with an average temperature ranging between max 45.5°F (7.5°C) and min 32.7°F (0.4°C). November brings with it a considerable temperature decrease, with average high-temperatures dropping from October's moderate 60.3°F (15.7°C) to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Wasco, Illinois, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 34.2°F (1.2°C). As December begins, there is a decrease in the average high-temperature, falling from a chilly 45.5°F (7.5°C) in November to a cold 34.2°F (1.2°C). Weather in December »
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

In Wasco, the average lowest temperatures are observed in January, with a high of 27.9°F (-2.3°C) and a low of 16.2°F (-8.8°C).

What is the most humid month?

The months with the highest humidity are January and February, with an average relative humidity of 83%.

How much does it rain?

Throughout the year, there are 101.9 rainfall days, and 8.58" (218mm) of precipitation is accumulated.

When does it snow?

January through April, October through December are months with snowfall.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 7.6 days and typically aggregates up to 1.14" (29mm) of snow.

How many days does it snow?

Throughout the year, there are 28.3 snowfall days, and 3.74" (95mm) of snow is accumulated.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.7h of sunshine.

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

The months with the lowest UV index are January and December, 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, 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 12.4 days and typically aggregates up to 1.26" (32mm) of precipitation.

When it does not snow?

In Wasco, snow does not fall in May through September.

When are the longest days?

With an average of 15h and 12min of daylight, June has the longest days of the year.

What are the months with the highest UV index?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What month is the hottest?

With average high temperatures of 81°F (27.2°C) and lows of 64.2°F (17.9°C), July is the warmest month in Wasco.

What month has the most sunshine?

The month with the most sunshine is July, with an average of 9.9h of sunshine.

What is the least humid month?

With an average relative humidity of 74%, October is the least humid month.

What is the driest month?

November and December are months with the least rain when the rain falls for 5.1 days and typically aggregates up to 0.39" (10mm) of rain.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 12min of daylight.

Average temperature
Wasco, IL

Average temperature - Wasco, IL

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (27.9°F).

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).

Average pressure
Wasco, IL

Average pressure - Wasco, IL

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Wasco, IL

Average wind speed - Wasco, IL

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity
Wasco, IL

Average humidity - Wasco, IL

The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall
Wasco, IL

Average rainfall - Wasco, IL

The wettest month (with the highest rainfall) is May (1.26").
The driest months (with the least rainfall) are November and December (0.39").

Average rainfall days
Wasco, IL

Average rainfall days - Wasco, IL

The month with the highest number of rainy days is May (12.4 days).
The month with the least rainy days is January (3.4 days).

Average snowfall
Wasco, IL

Average snowfall - Wasco, IL

The month with the highest snowfall is January (1.14").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Wasco, IL

Average snowfall days - Wasco, IL

The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Wasco, IL

Average daylight / Average sunshine - Wasco, IL

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Wasco, IL

Average sunshine days - Wasco, IL

The month with the most sunshine days is December (22.4 days).
The month with the least sunshine days is June (13.3 days).

Average UV index
Wasco, IL

Average UV index - Wasco, 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 and December (UV index 1).

Average visibility
Wasco, IL

Average visibility - Wasco, IL

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).

Wasco, Illinois, USA

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