Climate and monthly weather forecast
Bloomingdale, IL

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Weather in January

January, like December, is another subzero cold winter month in Bloomingdale, Illinois, with an average temperature varying between 16.7°F (-8.5°C) and 27.9°F (-2.3°C). With an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.7°F (-8.5°C), January is the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Bloomingdale, is also a subzero cold month, with temperature in the range of an average low of 19.6°F (-6.9°C) and an average high of 31.8°F (-0.1°C). In February, Bloomingdale notes an average high-temperature of a still freezing cold 31.8°F (-0.1°C), hardly different from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Bloomingdale, is a frosty month, with an average temperature varying between 30.7°F (-0.7°C) and 44.8°F (7.1°C). Bloomingdale's transition into March sees a rise in the average high-temperature, advancing from a freezing cold 31.8°F (-0.1°C) in February to a chilly 44.8°F (7.1°C). Weather in March »

Weather in April

April in Bloomingdale, Illinois, is a refreshing spring month, with an average temperature ranging between max 56.1°F (13.4°C) and min 40.3°F (4.6°C). Bloomingdale's April weather shows an increase in high-temperatures, moving from March's chilly 44.8°F (7.1°C) to a mild 56.1°F (13.4°C). Weather in April »

Weather in May

The last month of the spring, May, is an agreeable month in Bloomingdale, Illinois, with temperature in the range of an average low of 51.6°F (10.9°C) and an average high of 68.5°F (20.3°C). May indicates a change in the average high-temperature, moving up from a refreshing 56.1°F (13.4°C) in April to an agreeable 68.5°F (20.3°C). Weather in May »

Weather in June

June, the first month of the summer in Bloomingdale, is a moderately hot month, with an average temperature ranging between max 78.1°F (25.6°C) and min 60.4°F (15.8°C). June brings a rise in the average high-temperature, transitioning from May's agreeable 68.5°F (20.3°C) 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 Bloomingdale, Illinois, with an average temperature ranging between max 81.5°F (27.5°C) and min 64.9°F (18.3°C). July is the month when Bloomingdale sees the highest average temperatures, with a high of 81.5°F (27.5°C) and a low of 64.9°F (18.3°C). During July, the heat index is calculated to be a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Bloomingdale, is another warm month, with an average temperature fluctuating between 63.7°F (17.6°C) and 80.2°F (26.8°C). As July transitions into August, the average high-temperature rests at a still moderately hot 80.2°F (26.8°C), maintaining a close resemblance to the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Bloomingdale, Illinois, with an average temperature varying between 73.6°F (23.1°C) and 57.2°F (14°C). As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a moderately hot 80.2°F (26.8°C) to a still warm 73.6°F (23.1°C). Weather in September »

Weather in October

October, the same as September, in Bloomingdale, Illinois, is another refreshing autumn month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 60.4°F (15.8°C). The transition into October indicates a reduction in the average high-temperature, down to a moderate 60.4°F (15.8°C) from September's moderately hot 73.6°F (23.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Bloomingdale, is also a frosty month, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 45.5°F (7.5°C). With the transition into November, Bloomingdale experiences a significant decrease in average high-temperatures, moving down from a refreshing 60.4°F (15.8°C) in October to a frosty 45.5°F (7.5°C). Weather in November »

Weather in December

December, the first month of the winter in Bloomingdale, is also an icy month, with an average temperature ranging between min 24.1°F (-4.4°C) and max 34.3°F (1.3°C). December suggests a modest reduction in the average high-temperature, shifting from a frosty 45.5°F (7.5°C) in November to a cold 34.3°F (1.3°C). Weather in December »
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest month is January, with an average high-temperature of 27.9°F (-2.3°C) and an average low-temperature of 16.7°F (-8.5°C).

What are the most humid months?

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

How much does it rain?

In Bloomingdale, Illinois, during the entire year, the rain falls for 119.1 days and collects up to 10.83" (275mm) of precipitation.

When does it snow?

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

What is the snowiest month?

The month with the most snowfall in Bloomingdale, Illinois, is January, when snow falls for 9.3 days and typically aggregates up to 1.5" (38mm) of snow.

How much does it snow?

In Bloomingdale, during the entire year, snow falls for 34.4 days and aggregates up to 5.2" (132mm) of snow.

What is the month with the least sunshine?

The month with the least sunshine in Bloomingdale is January, 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.

What is the driest month?

The months with the least rainfall are February, November and December Rain falls for 4.8 days and accumulates 0.51" (13mm) of rain.

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 rainiest month?

May is the month with the most rainfall. Rain falls for 14.7 days and accumulates 1.65" (42mm) of precipitation.

When it does not snow in Bloomingdale?

May through September are months without snowfall.

When are the longest days?

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

What is the month with the highest UV index?

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

What part of the year is the hottest?

During the warmest month in Bloomingdale, July, temperatures average a high of 81.5°F (27.5°C) and a low of 64.9°F (18.3°C).

What are the months with the most sunshine?

July and August, with an average of 9.9h of sunshine, are months with the most sunshine.

What is the least humid month in Bloomingdale?

With an average relative humidity of 74%, October is the least humid month.

What is the month with the shortest days in Bloomingdale?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

Average temperature
Bloomingdale, IL

Average temperature - Bloomingdale, IL

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°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 (16.7°F).

Average pressure
Bloomingdale, IL

Average pressure - Bloomingdale, 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
Bloomingdale, IL

Average wind speed - Bloomingdale, IL

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).

Average humidity
Bloomingdale, IL

Average humidity - Bloomingdale, IL

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

Average rainfall
Bloomingdale, IL

Average rainfall - Bloomingdale, IL

The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February, November and December (0.51").

Average rainfall days
Bloomingdale, IL

Average rainfall days - Bloomingdale, IL

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (4.1 days).

Average snowfall
Bloomingdale, IL

Average snowfall - Bloomingdale, IL

The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Bloomingdale, IL

Average snowfall days - Bloomingdale, IL

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Bloomingdale, IL

Average daylight / Average sunshine - Bloomingdale, 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 months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Bloomingdale, IL

Average sunshine days - Bloomingdale, IL

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (11.3 days).

Average UV index
Bloomingdale, IL

Average UV index - Bloomingdale, 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 and December (UV index 1).

Average cloud cover
Bloomingdale, IL

Average cloud cover - Bloomingdale, IL

The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 32).

Average visibility
Bloomingdale, IL

Average visibility - Bloomingdale, IL

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

Bloomingdale, Illinois, USA

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