Climate and monthly weather forecast
Wonder Lake, IL

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Weather in January

January, like December, is another subzero cold winter month in Wonder Lake, Illinois, with an average temperature fluctuating between 26.6°F (-3°C) and 14.9°F (-9.5°C). January, marked by an average high-temperature of 26.6°F (-3°C) and a low-temperature of 14.9°F (-9.5°C), is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Wonder Lake, is also a subzero cold month, with an average temperature ranging between max 30.2°F (-1°C) and min 18°F (-7.8°C). The commencement of February brings an average high-temperature of a still subzero cold 30.2°F (-1°C), marking an inconsequential divergence from January. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Wonder Lake, Illinois, with an average temperature ranging between min 28.9°F (-1.7°C) and max 42.8°F (6°C). With the beginning of March, Wonder Lake's average high-temperature sees an increase, transitioning from a subzero cold 30.2°F (-1°C) in February to a frosty 42.8°F (6°C). Weather in March »

Weather in April

April is a cool spring month in Wonder Lake, Illinois, with an average temperature fluctuating between 38.3°F (3.5°C) and 54.3°F (12.4°C). In Wonder Lake, the average high-temperature in April rises, from a frosty 42.8°F (6°C) in March, to a fresh 54.3°F (12.4°C). Weather in April »

Weather in May

May, the last month of the spring in Wonder Lake, is a comfortable month, with temperature in the range of an average high of 66.4°F (19.1°C) and an average low of 49.3°F (9.6°C). The arrival of May sees a shift in the average high-temperature, moving from a fresh 54.3°F (12.4°C) in April to a comfortable 66.4°F (19.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Wonder Lake, Illinois, with temperature in the range of an average high of 75.6°F (24.2°C) and an average low of 58.5°F (14.7°C). The transition to June introduces an increase in the average high-temperature, shifting from a refreshing 66.4°F (19.1°C) in May to a warm 75.6°F (24.2°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Wonder Lake, Illinois, with an average temperature fluctuating between 63.1°F (17.3°C) and 79.7°F (26.5°C). July, recording an average high temperature of 79.7°F (26.5°C) and a low temperature of 63.1°F (17.3°C), is Wonder Lake's warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Wonder Lake, Illinois, with temperature in the range of an average low of 61.3°F (16.3°C) and an average high of 78.1°F (25.6°C). Wonder Lake's August showcases an average high-temperature of a still moderately hot 78.1°F (25.6°C), hardly distinct from July's 79.7°F (26.5°C). Weather in August »

Weather in September

The first month of the autumn, September, is also an agreeable month in Wonder Lake, Illinois, with an average temperature varying between 72.3°F (22.4°C) and 55°F (12.8°C). Wonder Lake's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 78.1°F (25.6°C) in August to a pleasant 72.3°F (22.4°C). Weather in September »

Weather in October

October, like September, is another refreshing autumn month in Wonder Lake, Illinois, with an average temperature varying between 58.6°F (14.8°C) and 43.9°F (6.6°C). Onset of October comes with a temperature decline, the average high falling from a pleasant 72.3°F (22.4°C) in September to a moderate 58.6°F (14.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Wonder Lake, is also a frosty month, with temperature in the range of an average low of 32.2°F (0.1°C) and an average high of 44.6°F (7°C). In the transition to November, Wonder Lake observes a drop in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in October to a chilly 44.6°F (7°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Wonder Lake, Illinois, with temperature in the range of an average high of 32.7°F (0.4°C) and an average low of 22.8°F (-5.1°C). The onset of December coincides with a reduction in the average high-temperature, falling from a chilly 44.6°F (7°C) in November to a wintry 32.7°F (0.4°C). Weather in December »
Updated: Jul 20, 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 Wonder Lake, January is known for its average lowest temperatures, reaching a high of 26.6°F (-3°C) and a low of 14.9°F (-9.5°C).

What are the most humid months?

January and February, with an average relative humidity of 85%, are most humid months.

How much does it rain?

Throughout the year, there are 152.4 rainfall days, and 28.07" (713mm) of precipitation is accumulated.

When does it snow?

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

What is the snowiest month?

The month with the most snowfall in Wonder Lake is January, when snow falls for 13.3 days and typically aggregates up to 5.16" (131mm) of snow.

How much does it snow?

Throughout the year, in Wonder Lake, there are 49 snowfall days, and 16.5" (419mm) of snow is accumulated.

What is the month with the least sunshine?

January has the least sunshine of the year, with an average of 3.7h of sunshine.

When is the lowest UV index?

January and December, with an average maximum UV index of 1, 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 Wonder Lake, 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 Wonder Lake?

The month with the most rainfall is June, when the rain falls for 17.2 days and typically aggregates up to 3.58" (91mm) of precipitation.

When it does not snow?

In Wonder Lake, snow does not fall in June 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 is the warmest month?

In Wonder Lake, the average temperatures in July are the highest, with a peak at 79.7°F (26.5°C) and a low of 63.1°F (17.3°C).

What are the months with the most sunshine?

The months with the most sunshine are July and August, with an average of 10h of sunshine.

When is the highest UV index?

The month with the highest UV index is August, with an average maximum UV index of 6.

What is the least humid month?

The least humid month is October, with an average relative humidity of 76%.

What is the driest month?

The month with the least rainfall is December, when the rain falls for 7.9 days and typically collects 1.34" (34mm) of precipitation.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 6min of daylight.

Average temperature
Wonder Lake, IL

Average temperature - Wonder Lake, IL

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).

Average pressure
Wonder Lake, IL

Average pressure - Wonder Lake, 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
Wonder Lake, IL

Average wind speed - Wonder Lake, IL

The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity
Wonder Lake, IL

Average humidity - Wonder Lake, IL

The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).

Average rainfall
Wonder Lake, IL

Average rainfall - Wonder Lake, IL

The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").

Average rainfall days
Wonder Lake, IL

Average rainfall days - Wonder Lake, IL

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).

Average snowfall
Wonder Lake, IL

Average snowfall - Wonder Lake, IL

The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Wonder Lake, IL

Average snowfall days - Wonder Lake, IL

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Wonder Lake, IL

Average daylight / Average sunshine - Wonder Lake, 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 6min).

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Wonder Lake, IL

Average sunshine days - Wonder Lake, IL

The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).

Average visibility
Wonder Lake, IL

Average visibility - Wonder Lake, IL

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

Wonder Lake, Illinois, USA

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