Climate and monthly weather forecastBellflower, IL
Climate and monthly weather forecast
Weather in January
January, the same as December, in Bellflower, Illinois, is another subzero cold winter month, with an average temperature varying between 31.5°F (-0.3°C) and 19.8°F (-6.8°C). Bellflower reaches its lowest average temperatures in January, measuring 31.5°F (-0.3°C) at the peak and 19.8°F (-6.8°C) at the lowest. Weather in January »Weather in February
February, the last month of the winter in Bellflower, is a wintry month, with an average temperature fluctuating between 36.1°F (2.3°C) and 23.5°F (-4.7°C). The average high-temperature for February is a wintry 36.1°F (2.3°C), closely aligning with the temperature of the preceding month. 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). The start of March brings a rise in the average high-temperature, moving 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 in Bellflower, Illinois, is a comfortable spring month, with an average temperature ranging between min 45.3°F (7.4°C) and max 61.2°F (16.2°C). Entering April, Bellflower sees a temperature rise, with the average high-temperature advancing from March's frosty 49.1°F (9.5°C) to a comfortable 61.2°F (16.2°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Bellflower, Illinois, with an average temperature fluctuating between 72.1°F (22.3°C) and 55.6°F (13.1°C). May's arrival coincides with a temperature rise, moving from April's comfortable 61.2°F (16.2°C) to an agreeable 72.1°F (22.3°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Bellflower, Illinois, with an average temperature fluctuating between 79.9°F (26.6°C) and 63.7°F (17.6°C). Bellflower perceives a slight temperature ascent during June, with 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 a moderately hot summer month, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 64.9°F (18.3°C). Bellflower, Illinois, notes the warmest temperatures in July, with a high average of 81°F (27.2°C) and a low of 64.9°F (18.3°C). For July, the heat index is computed to be a hot 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Bellflower, is also a moderately hot month, with an average temperature fluctuating between 63.1°F (17.3°C) and 80.2°F (26.8°C). The transition from July to August sees average high-temperatures adjusting to a still warm 80.2°F (26.8°C), from a not significantly different 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 Bellflower, Illinois, with an average temperature varying between 75.9°F (24.4°C) and 57.6°F (14.2°C). On the advent of September, Bellflower's average high-temperature exhibits a minor adjustment to a still warm 75.9°F (24.4°C) from 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 temperature in the range of an average low of 47.1°F (8.4°C) and an average high of 63°F (17.2°C). Start of October brings a shift in the average high-temperature, falling from September's warm 75.9°F (24.4°C) to a refreshing 63°F (17.2°C). Weather in October »Weather in November
November, the last month of the autumn in Bellflower, is another chilly month, with an average temperature varying between 35.6°F (2°C) and 48.6°F (9.2°C). November's onset is marked by a clear temperature decrease, falling from a refreshing 63°F (17.2°C) in October to a chilly 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 varying between 27.3°F (-2.6°C) and 37.6°F (3.1°C). In the transition to December, Bellflower observes a drop in the average high-temperature, moving from a frosty 48.6°F (9.2°C) in November to an icy 37.6°F (3.1°C). Weather in December »Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January is the month when Bellflower sees the average lowest temperatures, with a high of 31.5°F (-0.3°C) and a low of 19.8°F (-6.8°C).
Throughout the year, there are 115.9 rainfall days, and 10.87" (276mm) of precipitation is accumulated.
Months with snowfall are January through April, November and December.
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.
Throughout the year, there are 24.9 snowfall days, and 3.27" (83mm) of snow is accumulated.
The month with the least sunshine is January, with an average of 4h of sunshine.
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The month with the least rainfall is February, when the rain falls for 4.8 days and typically collects 0.51" (13mm) of precipitation.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Bellflower, 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.
May is the month with the most rainfall in Bellflower. Rain falls for 14.4 days and accumulates 1.46" (37mm) of precipitation.
May through October are months without snowfall.
The month with the longest days is June, with an average of 15h and 0min of daylight.
The month with the most sunshine is June, with an average of 10.1h of sunshine.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
In Bellflower, July is known for its average highest temperatures, reaching a high of 81°F (27.2°C) and a low of 64.9°F (18.3°C).
July is the most humid month, with an average relative humidity of 85%.
With an average relative humidity of 71%, October is the least humid month.
December has the shortest days of the year, with an average of 9h and 24min of daylight.
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 in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.94"Hg - Average pressure in May:
29.96"Hg - Average pressure in June:
29.92"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.12"Hg
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 in January:
10.9mph - Average wind speed in February:
10.7mph - Average wind speed in March:
10.4mph - Average wind speed in April:
10.6mph - Average wind speed in May:
9mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.4mph - Average wind speed in September:
7.5mph - Average wind speed in October:
9.6mph - Average wind speed in November:
10.3mph - Average wind speed in December:
10.3mph
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
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 in January:
0.75" - Average rainfall in February:
0.51" - Average rainfall in March:
0.83" - Average rainfall in April:
1.02" - Average rainfall in May:
1.46" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.14" - Average rainfall in August:
0.98" - Average rainfall in September:
0.67" - Average rainfall in October:
0.94" - Average rainfall in November:
0.67" - Average rainfall in December:
0.55"
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 in January:
4.5 days - Average rainfall days in February:
4.8 days - Average rainfall days in March:
9.8 days - Average rainfall days in April:
12.6 days - Average rainfall days in May:
14.4 days - Average rainfall days in June:
13 days
- Average rainfall days in July:
13.3 days - Average rainfall days in August:
11.3 days - Average rainfall days in September:
9.1 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
6.2 days
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
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 in January:
8.3 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
2 days - Average snowfall days in April:
0.8 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
5.5 days
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 in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 24min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 6min - Average daylight in November:
10h and 0min - Average daylight in December:
9h and 24min
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).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 18min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 6min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 54min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 30min
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 in January:
21.3 days - Average sunshine days in February:
18.9 days - Average sunshine days in March:
18.2 days - Average sunshine days in April:
15.4 days - Average sunshine days in May:
14.1 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
16.2 days - Average sunshine days in September:
17.5 days - Average sunshine days in October:
20 days - Average sunshine days in November:
21.4 days - Average sunshine days in December:
20.5 days
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
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 cloud cover
Bellflower, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
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).
