Climate and monthly weather forecast
Germantown Hills, IL

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Weather in January

January, the same as December, in Germantown Hills, Illinois, is another subzero cold winter month, with an average temperature varying between 30.2°F (-1°C) and 18.5°F (-7.5°C). Germantown Hills's January weather, with an average high temperature of 30.2°F (-1°C) and an average low temperature of 18.5°F (-7.5°C), tends to be the coldest of the year. Weather in January »

Weather in February

February, the last month of the winter in Germantown Hills, is an icy month, with an average temperature fluctuating between 35.1°F (1.7°C) and 21.9°F (-5.6°C). February's onset sees an average high-temperature of a wintry 35.1°F (1.7°C), exhibiting a slight fluctuation from the previous month. Weather in February »

Weather in March

March, the first month of the spring in Germantown Hills, is a frosty month, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 33.4°F (0.8°C). Germantown Hills's transition into March is marked by a rise in the average high-temperature, advancing from a wintry 35.1°F (1.7°C) in February to a chilly 47.8°F (8.8°C). Weather in March »

Weather in April

April is a refreshing spring month in Germantown Hills, Illinois, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 60.1°F (15.6°C). The shift into April is characterized by a rise in the average high-temperature, transitioning from March's frosty 47.8°F (8.8°C) to a refreshing 60.1°F (15.6°C). Weather in April »

Weather in May

May, the last month of the spring in Germantown Hills, is an agreeable month, with an average temperature ranging between max 71.4°F (21.9°C) and min 54.5°F (12.5°C). Germantown Hills's weather in May presents a rise in the average high-temperature, moving from a refreshing 60.1°F (15.6°C) in April to an agreeable 71.4°F (21.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Germantown Hills, Illinois, with an average temperature varying between 79.7°F (26.5°C) and 62.4°F (16.9°C). As Germantown Hills welcomes June, the average high-temperature displays a subtle shift, adjusting from an agreeable 71.4°F (21.9°C) in May to a moderately hot 79.7°F (26.5°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Germantown Hills, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 81.3°F (27.4°C). Germantown Hills's July weather, marked by an average high temperature of 81.3°F (27.4°C) and an average low temperature of 64.9°F (18.3°C), is the warmest in the year. The heat index value for July is calculated to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Germantown Hills, Illinois, with an average temperature varying between 80.2°F (26.8°C) and 63.1°F (17.3°C). The high-temperature average in August for Germantown Hills is a still moderately hot 80.2°F (26.8°C), staying closely aligned with July's conditions. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Germantown Hills, Illinois, with an average temperature varying between 76.1°F (24.5°C) and 57°F (13.9°C). Germantown Hills's weather in September displays an average high-temperature of a still warm 76.1°F (24.5°C), showing minor disparity from August's 80.2°F (26.8°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Germantown Hills, Illinois, with an average temperature ranging between min 46°F (7.8°C) and max 61.9°F (16.6°C). The start of October involves a temperature drop, moving from a moderately hot 76.1°F (24.5°C) in September to a refreshing 61.9°F (16.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Germantown Hills, Illinois, with an average temperature ranging between min 34.3°F (1.3°C) and max 47.7°F (8.7°C). November's onset corresponds with a shift in the average high-temperature, moving from a comfortable 61.9°F (16.6°C) in October to a frosty 47.7°F (8.7°C). Weather in November »

Weather in December

December, the first month of the winter in Germantown Hills, is also a wintry month, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 25.7°F (-3.5°C). With December's arrival, Germantown Hills's weather changes as the average high-temperature falls from a frosty 47.7°F (8.7°C) in November to an icy 36.1°F (2.3°C). Weather in December »
Updated: Jun 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

In Germantown Hills, January is known for its average lowest temperatures, reaching a high of 30.2°F (-1°C) and a low of 18.5°F (-7.5°C).

How many days does it rain?

Throughout the year, there are 119 rainfall days, and 13.11" (333mm) of precipitation is accumulated.

When does it snow?

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

When does it snow the most?

January is the month with the most snowfall. Snow falls for 10 days and accumulates 1.46" (37mm) of snow.

How many days does it snow?

Throughout the year, there are 29.9 snowfall days, and 5.55" (141mm) of snow is accumulated.

What is the month with the least sunshine in Germantown Hills?

January has the least sunshine of the year in Germantown Hills, with an average of 3.9h of sunshine.

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.

What is the driest month?

February is the month with the least rainfall. Rain falls for 4.7 days and accumulates 0.63" (16mm) of precipitation.

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 14.3 days and typically aggregates up to 1.69" (43mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

When are the longest days?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What month has the most sunshine?

The month with the most sunshine in Germantown Hills is June, with an average of 10.1h of sunshine.

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?

Germantown Hills's temperatures tend to reach their peak averages in July, with a high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°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?

October is the least humid month, with an average relative humidity of 72%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average temperature
Germantown Hills, IL

Average temperature - Germantown Hills, IL

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (30.2°F).

The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure
Germantown Hills, IL

Average pressure - Germantown Hills, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Germantown Hills, IL

Average wind speed - Germantown Hills, IL

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

Average humidity
Germantown Hills, IL

Average humidity - Germantown Hills, IL

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Germantown Hills, IL

Average rainfall - Germantown Hills, IL

The wettest month (with the highest rainfall) is May (1.69").
The driest month (with the least rainfall) is February (0.63").

Average rainfall days
Germantown Hills, IL

Average rainfall days - Germantown Hills, IL

The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (4.2 days).

Average snowfall
Germantown Hills, IL

Average snowfall - Germantown Hills, IL

The month with the highest snowfall is January (1.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Germantown Hills, IL

Average snowfall days - Germantown Hills, IL

The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Germantown Hills, IL

Average daylight / Average sunshine - Germantown Hills, IL

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

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
Germantown Hills, IL

Average sunshine days - Germantown Hills, IL

The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index
Germantown Hills, IL

Average UV index - Germantown Hills, 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 visibility
Germantown Hills, IL

Average visibility - Germantown Hills, 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).

Germantown Hills, Illinois, USA

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