Climate and monthly weather forecast
Georgetown, IL

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Weather in January

January, like December, is another subzero cold winter month in Georgetown, Illinois, with an average temperature varying between 31.6°F (-0.2°C) and 20.5°F (-6.4°C). With an average high-temperature of 31.6°F (-0.2°C) and an average low-temperature of 20.5°F (-6.4°C), January is the coldest month. Weather in January »

Weather in February

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

Weather in March

March, the first month of the spring in Georgetown, is a chilly month, 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). The start of March is characterized by an increase in the average high-temperature, transitioning 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 is a comfortable spring month in Georgetown, Illinois, with temperature in the range of an average low of 45°F (7.2°C) and an average high of 61.2°F (16.2°C). April's arrival signals a temperature shift, moving 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 a pleasant month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 71.8°F (22.1°C). The rise of average high-temperatures is seen in May, with an increase from an enjoyable 61.2°F (16.2°C) in April to an agreeable 71.8°F (22.1°C). Weather in May »

Weather in June

June, the first month of the summer in Georgetown, is a moderately hot month, with an average temperature ranging between min 63.3°F (17.4°C) and max 79.9°F (26.6°C). June introduces a marginal temperature uplift, with average high-temperatures adjusting from May's agreeable 71.8°F (22.1°C) to a warm 79.9°F (26.6°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Georgetown, Illinois, with an average temperature varying between 81.3°F (27.4°C) and 64.9°F (18.3°C). In Georgetown, Illinois, the highest average temperatures are observed in July, with a high of 81.3°F (27.4°C) and a low of 64.9°F (18.3°C). For most parts of July, the heat index 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 also a moderately hot month in Georgetown, Illinois, with an average temperature varying between 63.3°F (17.4°C) and 80.6°F (27°C). August begins with an average high-temperature of a still moderately hot 80.6°F (27°C), reflecting close similarity to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Georgetown, is also a moderately hot month, with an average temperature ranging between max 76.1°F (24.5°C) and min 57.7°F (14.3°C). The shift into September uncovers an average high-temperature of a still moderately hot 76.1°F (24.5°C), subtly different from the previous month. Weather in September »

Weather in October

October, like September, in Georgetown, Illinois, is another refreshing autumn month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 47.1°F (8.4°C). A shift in the average high-temperature occurs in October, reducing from a moderately hot 76.1°F (24.5°C) in September to a refreshing 63.1°F (17.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another chilly month in Georgetown, Illinois, with an average temperature varying between 35.6°F (2°C) and 48.9°F (9.4°C). Georgetown in November experiences a subtle temperature decline, with average high-temperatures reducing from a refreshing 63.1°F (17.3°C) in October to a chilly 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter in Georgetown, is still a cold month, with an average temperature fluctuating between 37.6°F (3.1°C) and 27.5°F (-2.5°C). A subtle decrease in the average high-temperature marks December, falling from November's frosty 48.9°F (9.4°C) to a cold 37.6°F (3.1°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Georgetown?

January is the coldest month of the year, registering average temperatures as high as 31.6°F (-0.2°C) and as low as 20.5°F (-6.4°C).

How many days does it rain in Georgetown?

In Georgetown, during the entire year, the rain falls for 151.8 days and collects up to 25.63" (651mm) of precipitation.

When does it snow in Georgetown?

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

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?

January has the least sunshine of the year, with an average of 4h of sunshine.

When is the lowest UV index in Georgetown?

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

What is the driest month in Georgetown?

The months with the least rainfall in Georgetown, Illinois, are February and September Rain falls for 6.6 days and accumulates 1.38" (35mm) of rain.

When does it snow the most 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 10. 2024, at 2:00 am, Daylight Saving Time starts in Georgetown, 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 Georgetown?

April is the month with the most rainfall. Rain falls for 15.3 days and accumulates 3.23" (82mm) of precipitation.

When it does not snow in Georgetown?

In Georgetown, snow does not fall in May through October.

When are the longest days in Georgetown?

June has the longest days of the year in Georgetown, Illinois, with an average of 15h and 0min of daylight.

What month has the most sunshine in Georgetown?

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

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

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

What is the warmest month in Georgetown?

July, noted for its average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 64.9°F (18.3°C), is considered the warmest month.

What is the most humid month in Georgetown?

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

What is the least humid month in Georgetown?

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

What is the month with the shortest days in Georgetown?

The month with the shortest days is December, with an average of 9h and 24min 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: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

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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Georgetown, Illinois, USA

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