Climate and monthly weather forecast
Georgetown, IL

Weather in January

January, the same as December, in Georgetown, Illinois, is a freezing cold winter month, with an average temperature varying between 20.5°F (-6.4°C) and 31.6°F (-0.2°C). The coldest month is January, with an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 20.5°F (-6.4°C). Weather in January »

Weather in February

The last month of the winter, February, is a cold month in Georgetown, Illinois, with an average temperature varying between 37°F (2.8°C) and 23.9°F (-4.5°C). In February, the average high-temperature marginally rises from a subzero cold 31.6°F (-0.2°C) in January to a cold 37°F (2.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Georgetown, Illinois, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 49.1°F (9.5°C). In Georgetown, the average high-temperature in March rises from a cold 37°F (2.8°C) in February to a frosty 49.1°F (9.5°C). Weather in March »

Weather in April

April in Georgetown, Illinois, is a comfortable spring month, with an average temperature ranging between min 45°F (7.2°C) and max 61.2°F (16.2°C). In Georgetown, the average high-temperature in April rises from a frosty 49.1°F (9.5°C) in March to an enjoyable 61.2°F (16.2°C). Weather in April »

Weather in May

May, the last month of the spring in Georgetown, is an agreeable month, with an average temperature ranging between min 55°F (12.8°C) and max 71.8°F (22.1°C). In Georgetown, the average high-temperature in May increases from an enjoyable 61.2°F (16.2°C) in April to a pleasant 71.8°F (22.1°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Georgetown, Illinois, with temperature in the range of an average low of 63.3°F (17.4°C) and an average high of 79.9°F (26.6°C). In Georgetown, Illinois, the average high-temperature in June slightly increases from an agreeable 71.8°F (22.1°C) in May to a warm 79.9°F (26.6°C). Weather in June »

Weather in July

July, like June, in Georgetown, Illinois, is another warm summer month, with an average temperature ranging between max 81.3°F (27.4°C) and min 64.9°F (18.3°C). The warmest month is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.9°F (18.3°C). The average heat index in July is computed 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 Georgetown, Illinois, with an average temperature ranging between min 63.3°F (17.4°C) and max 80.6°F (27°C). In August, the average high-temperature is relatively the same as in July - a still moderately hot 80.6°F (27°C). Weather in August »

Weather in September

September, the first month of the autumn in Georgetown, is still a warm month, with an average temperature varying between 76.1°F (24.5°C) and 57.7°F (14.3°C). In September, the average high-temperature is relatively the same as in August - a still warm 76.1°F (24.5°C). Weather in September »

Weather in October

October, like September, in Georgetown, Illinois, is another enjoyable autumn month, with an average temperature varying between 47.1°F (8.4°C) and 63.1°F (17.3°C). In Georgetown, the average high-temperature in October drops from a moderately hot 76.1°F (24.5°C) in September to a comfortable 63.1°F (17.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Georgetown, is also a frosty month, with an average temperature ranging between min 35.6°F (2°C) and max 48.9°F (9.4°C). In Georgetown, the average high-temperature in November decreases from an enjoyable 63.1°F (17.3°C) in October to a frosty 48.9°F (9.4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cold month in Georgetown, Illinois, with an average temperature ranging between max 37.6°F (3.1°C) and min 27.5°F (-2.5°C). In Georgetown, the average high-temperature in December decreases from a frosty 48.9°F (9.4°C) in November to a cold 37.6°F (3.1°C). Weather in December »
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FAQ

What is the coldest month in Georgetown?

January is the coldest month in Georgetown, with an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 20.5°F (-6.4°C).

How much does it rain in Georgetown?

Throughout the year, in Georgetown, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.

When does it snow in Georgetown?

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

How much does it snow in Georgetown?

Throughout the year, in Georgetown, there are 35.2 snowfall days, and 8.82" (224mm) of snow is accumulated.

What is the month with the least sunshine in Georgetown?

With an average of 4h of sunshine, January has the least sunshine of the year in Georgetown.

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

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 in Georgetown?

February and September are months with the least rain when the rain falls for 6.6 days and typically aggregates up to 1.38" (35mm) of rain.

What is the snowiest month in Georgetown?

The month with the most snowfall is February, when snow falls for 8.9 days and typically aggregates up to 2.64" (67mm) of snow.

When is Daylight Saving Time (DST) in Georgetown?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.

What is the wettest month in Georgetown?

The month with the most rainfall in Georgetown is April, when the rain falls for 15.3 days and typically aggregates up to 3.23" (82mm) of precipitation.

When it does not snow in Georgetown?

May through October are months without snowfall in Georgetown.

When are the longest days in Georgetown?

June has the longest days of the year in Georgetown, Illinois, with an average of 14h and 58min of daylight.

What month has the most sunshine in Georgetown?

June has the most sunshine of the year, with an average of 10.1h of sunshine.

What are the months with the highest UV index in Georgetown?

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

What is the warmest month in Georgetown?

July is the warmest month in Georgetown, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.9°F (18.3°C).

What is the most humid month in Georgetown?

July is the most humid month in Georgetown, Illinois, with an average relative humidity of 84%.

What is the least humid month in Georgetown?

With an average relative humidity of 72%, October is the least humid month in Georgetown, Illinois.

What is the month with the shortest days in Georgetown?

The month with the shortest days in Georgetown, Illinois, is December, with an average of 9h and 23min of daylight.

Average temperature
Georgetown, IL

Average temperature - Georgetown, 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 (31.6°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 (20.5°F).

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Average pressure
Georgetown, IL

Average pressure - Georgetown, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Georgetown, IL

Average wind speed - Georgetown, IL

The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).

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Average rainfall
Georgetown, IL

Average rainfall - Georgetown, IL

The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").

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Average rainfall days
Georgetown, IL

Average rainfall days - Georgetown, IL

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).

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Average snowfall
Georgetown, IL

Average snowfall - Georgetown, IL

The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days
Georgetown, IL

Average snowfall days - Georgetown, IL

The month with the highest number of snowfall days is January (10.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Georgetown, IL

Average daylight / Average sunshine - Georgetown, IL

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days
Georgetown, IL

Average sunshine days - Georgetown, IL

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).

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Average UV index
Georgetown, IL

Average UV index - Georgetown, 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).

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Average visibility
Georgetown, IL

Average visibility - Georgetown, 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).

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