Climate and monthly weather forecast
Bellflower, IL

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Weather in January

January, the same as December, in Bellflower, Illinois, is a freezing cold winter month, with an average temperature varying between 19.8°F (-6.8°C) and 31.5°F (-0.3°C). January is the month when Bellflower experiences its coldest temperatures, averaging a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C). Weather in January »

Weather in February

February, the last month of the winter in Bellflower, is a wintry month, with temperature in the range of an average high of 36.1°F (2.3°C) and an average low of 23.5°F (-4.7°C). The transition from January to February sees average high-temperatures adjusting to a wintry 36.1°F (2.3°C), from a not significantly different 31.5°F (-0.3°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Bellflower, Illinois, with an average temperature fluctuating between 49.1°F (9.5°C) and 34.5°F (1.4°C). As March sets, the average high-temperature shows an increase, moving up from an icy 36.1°F (2.3°C) in February to a frosty 49.1°F (9.5°C). Weather in March »

Weather in April

April is an enjoyable spring month in Bellflower, Illinois, with temperature in the range of an average high of 61.2°F (16.2°C) and an average low of 45.3°F (7.4°C). As April begins, there is an increase in the average high-temperature, moving from a chilly 49.1°F (9.5°C) in March to a refreshing 61.2°F (16.2°C). Weather in April »

Weather in May

May, the last month of the spring in Bellflower, is an agreeable month, with an average temperature fluctuating between 55.6°F (13.1°C) and 72.1°F (22.3°C). May's arrival brings a temperature shift, moving from a refreshing 61.2°F (16.2°C) in April to a pleasant 72.1°F (22.3°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Bellflower, Illinois, with an average temperature varying between 63.7°F (17.6°C) and 79.9°F (26.6°C). With the transition into June, Bellflower experiences a subtle uplift in average high-temperatures, adjusting from a pleasant 72.1°F (22.3°C) in May to a warm 79.9°F (26.6°C). Weather in June »

Weather in July

July, like June, in Bellflower, Illinois, is another warm summer month, with an average temperature varying between 64.9°F (18.3°C) and 81°F (27.2°C). Bellflower experiences its highest temperatures in July, with an average peak of 81°F (27.2°C) and a low of 64.9°F (18.3°C). July's heat index is appraised at a hot 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Bellflower, Illinois, with an average temperature fluctuating between 80.2°F (26.8°C) and 63.1°F (17.3°C). Bellflower registers an average high-temperature of a still warm 80.2°F (26.8°C) at the commencement of August, closely related to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Bellflower, is also a moderately hot month, with an average temperature fluctuating between 57.6°F (14.2°C) and 75.9°F (24.4°C). With the onset of September, the average high-temperature stands at a still warm 75.9°F (24.4°C), closely aligned with August's 80.2°F (26.8°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Bellflower, Illinois, with an average temperature fluctuating between 47.1°F (8.4°C) and 63°F (17.2°C). As October commences, the average high-temperature shows a reduction, transitioning from a moderately hot 75.9°F (24.4°C) in September to an enjoyable 63°F (17.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Bellflower, is also a frosty month, with an average temperature fluctuating between 48.6°F (9.2°C) and 35.6°F (2°C). November's arrival signals a significant decrease in average high-temperatures, falling from October's refreshing 63°F (17.2°C) to a frosty 48.6°F (9.2°C). Weather in November »

Weather in December

December, the first month of the winter in Bellflower, is also an icy month, with an average temperature ranging between min 27.3°F (-2.6°C) and max 37.6°F (3.1°C). The beginning of December involves a decrease in the average high-temperature, transitioning from a chilly 48.6°F (9.2°C) in November to a wintry 37.6°F (3.1°C). Weather in December »

Frequently asked questions

What month is the coldest?

January is the coldest month, exhibiting average temperatures of 31.5°F (-0.3°C) at the peak and 19.8°F (-6.8°C) at the base.

How many days does it rain in Bellflower?

Throughout the year, there are 115.9 rainfall days, and 10.87" (276mm) of precipitation is accumulated.

When does it snow?

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

When does it snow the most in Bellflower?

The month with the most snowfall is January, when snow falls for 8.3 days and typically aggregates up to 1.3" (33mm) of snow.

How many days does it snow?

In Bellflower, during the entire year, snow falls for 24.9 days and aggregates up to 3.27" (83mm) of snow.

What is the month with the least sunshine?

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

What are the months with the lowest UV index?

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

What is the driest month in Bellflower?

February is the month with the least rainfall. Rain falls for 4.8 days and accumulates 0.51" (13mm) 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 rainiest month?

The month with the most rainfall is May, when the rain falls for 14.4 days and typically aggregates up to 1.46" (37mm) of precipitation.

When it does not snow?

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

When are the longest days?

The month with the longest days is June, with an average of 15h and 0min of daylight.

What month has the most sunshine?

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?

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

What are the warmest months?

With average high and low temperatures of 81°F (27.2°C) and 64.9°F (18.3°C) respectively, July is Bellflower's warmest month.

What is the most humid month?

With an average relative humidity of 85%, July is the most humid month.

What is the least humid month?

The least humid month is October, with an average relative humidity of 71%.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

Average temperature
Bellflower, IL

Average temperature - Bellflower, IL

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.5°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 (19.8°F).

Average pressure
Bellflower, IL

Average pressure - Bellflower, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Bellflower, IL

Average wind speed - Bellflower, IL

The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity
Bellflower, IL

Average humidity - Bellflower, IL

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Bellflower, IL

Average rainfall - Bellflower, IL

The wettest month (with the highest rainfall) is May (1.46").
The driest month (with the least rainfall) is February (0.51").

Average rainfall days
Bellflower, IL

Average rainfall days - Bellflower, IL

The month with the highest number of rainy days is May (14.4 days).
The month with the least rainy days is January (4.5 days).

Average snowfall
Bellflower, IL

Average snowfall - Bellflower, IL

The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Bellflower, IL

Average snowfall days - Bellflower, IL

The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Bellflower, IL

Average daylight / Average sunshine - Bellflower, 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).

Average sunshine days
Bellflower, IL

Average sunshine days - Bellflower, IL

The month with the most sunshine days is November (21.4 days).
The month with the least sunshine days is July (12.3 days).

Average UV index
Bellflower, IL

Average UV index - Bellflower, 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
Bellflower, IL

Average visibility - Bellflower, 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).

Bellflower, Illinois, USA

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