Climate and monthly weather forecast
Batavia, IL

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Weather in January

January, like December, is a freezing cold winter month in Batavia, Illinois, with an average temperature varying between 27.9°F (-2.3°C) and 16°F (-8.9°C). The coldest temperatures occur during January, when averages reach a peak of 27.9°F (-2.3°C) and a low of 16°F (-8.9°C). Weather in January »

Weather in February

February, the last month of the winter in Batavia, is an icy month, with an average temperature varying between 19.2°F (-7.1°C) and 32°F (0°C). February's advent notes a subtle adjustment in average high-temperature to an icy 32°F (0°C) from January. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Batavia, Illinois, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 45.1°F (7.3°C). Batavia sees an increase in the average high-temperature with the arrival of March, moving from February's wintry 32°F (0°C) to a frosty 45.1°F (7.3°C). Weather in March »

Weather in April

April is a moderate spring month in Batavia, Illinois, with temperature in the range of an average high of 56.8°F (13.8°C) and an average low of 40.3°F (4.6°C). Batavia's transition into April is marked by a temperature shift, moving from a chilly 45.1°F (7.3°C) in March to a moderate 56.8°F (13.8°C). Weather in April »

Weather in May

May, the last month of the spring in Batavia, is an agreeable month, with an average temperature varying between 51.6°F (10.9°C) and 69.1°F (20.6°C). As Batavia transitions into May, a rise in the average high-temperature is observed, moving from a mild 56.8°F (13.8°C) in April to a pleasant 69.1°F (20.6°C). Weather in May »

Weather in June

June, the first month of the summer in Batavia, is a moderately hot month, with an average temperature varying between 60.6°F (15.9°C) and 78.1°F (25.6°C). As Batavia transitions into June, the average high-temperature is observed to rise from a pleasant 69.1°F (20.6°C) in May to a moderately hot 78.1°F (25.6°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Batavia, Illinois, with an average temperature varying between 81°F (27.2°C) and 64°F (17.8°C). In Batavia, July records the highest average temperatures, peaking at 81°F (27.2°C) and reaching a low of 64°F (17.8°C). July's mean heat index 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 Batavia, Illinois, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.4°F (16.9°C). The transition into August is marked with an average high-temperature of a still warm 79.3°F (26.3°C), showing an insignificant shift 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 Batavia, Illinois, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 73.6°F (23.1°C). Batavia's weather subtly changes with the onset of September, barely falling from a moderately hot 79.3°F (26.3°C) in August to a still warm 73.6°F (23.1°C). Weather in September »

Weather in October

October, like September, is another mild autumn month in Batavia, Illinois, with an average temperature varying between 60.4°F (15.8°C) and 45°F (7.2°C). October's arrival comes with a decrease in the average high-temperature, moving from a warm 73.6°F (23.1°C) in September to a refreshing 60.4°F (15.8°C). Weather in October »

Weather in November

November, the last month of the autumn in Batavia, is also a frosty month, with an average temperature fluctuating between 45.5°F (7.5°C) and 32.9°F (0.5°C). The beginning of November marks a clear shift in the average high-temperature, receding from October's moderate 60.4°F (15.8°C) to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

December, the first month of the winter in Batavia, is also a wintry month, with an average temperature ranging between max 34.2°F (1.2°C) and min 23.9°F (-4.5°C). Batavia experiences a temperature shift at the start of December, with average high-temperatures adjusting from a chilly 45.5°F (7.5°C) in November to a cold 34.2°F (1.2°C). Weather in December »
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Frequently asked questions

What time of the year is the coldest in Batavia?

Batavia's temperature records reveal January as the coldest month, marked by average highs of 27.9°F (-2.3°C) and lows of 16°F (-8.9°C).

What is the most humid month in Batavia?

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

How much does it rain in Batavia?

In Batavia, Illinois, during the entire year, the rain falls for 120.4 days and collects up to 12.32" (313mm) of precipitation.

When does it snow in Batavia?

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

What is the snowiest month in Batavia?

The month with the most snowfall in Batavia is January, when snow falls for 9.1 days and typically aggregates up to 1.69" (43mm) of snow.

How many days does it snow in Batavia?

Throughout the year, in Batavia, Illinois, there are 32.3 snowfall days, and 4.84" (123mm) of snow is accumulated.

What is the month with the least sunshine in Batavia?

With an average of 3.8h of sunshine, January has the least sunshine of the year.

What are the months with the lowest UV index in Batavia?

The months with the lowest UV index in Batavia, Illinois, are January and December, with an average maximum UV index of 1.

What is the driest month in Batavia?

The month with the least rainfall in Batavia is February, when the rain falls for 5 days and typically collects 0.51" (13mm) of precipitation.

When is Daylight Saving Time (DST) in Batavia?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Batavia, 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 rainiest month in Batavia?

The month with the most rainfall in Batavia is May, when the rain falls for 14.7 days and typically aggregates up to 1.97" (50mm) of precipitation.

When it does not snow in Batavia?

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

When are the longest days in Batavia?

The month with the longest days in Batavia is June, with an average of 15h and 12min of daylight.

When is the highest UV index in Batavia?

June and July, with an average maximum UV index of 6, are months with the highest UV index in Batavia.

What part of the year is the hottest in Batavia?

July, having an average high-temperature of 81°F (27.2°C) and an average low-temperature of 64°F (17.8°C), is the warmest month.

What month has the most sunshine in Batavia?

With an average of 9.8h of sunshine, July has the most sunshine of the year in Batavia, Illinois.

What is the least humid month in Batavia?

The least humid month is October, with an average relative humidity of 74%.

What is the month with the shortest days in Batavia?

The month with the shortest days in Batavia, Illinois, is December, with an average of 9h and 12min of daylight.

Average pressure
Batavia, IL

Average pressure - Batavia, 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).

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Average wind speed
Batavia, IL

Average wind speed - Batavia, IL

The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).

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Average humidity
Batavia, IL

Average humidity - Batavia, IL

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

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Average rainfall
Batavia, IL

Average rainfall - Batavia, IL

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is February (0.51").

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Average rainfall days
Batavia, IL

Average rainfall days - Batavia, IL

The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is January (4.3 days).

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Average snowfall
Batavia, IL

Average snowfall - Batavia, IL

The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Batavia, IL

Average snowfall days - Batavia, IL

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Batavia, IL

Average daylight / Average sunshine - Batavia, 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 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

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Average sunshine days
Batavia, IL

Average sunshine days - Batavia, IL

The month with the most sunshine days is December (20.5 days).
The month with the least sunshine days is June (11.4 days).

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Average visibility
Batavia, IL

Average visibility - Batavia, 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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Batavia, Illinois, USA

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