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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, is a freezing cold winter month in Bull Valley, Illinois, with an average temperature ranging between max 26.6°F (-3°C) and min 14.9°F (-9.5°C). The coldest period is January, when temperatures fluctuate between an average high of 26.6°F (-3°C) and a low of 14.9°F (-9.5°C). Weather in January »
Weather in February
February, the last month of the winter in Bull Valley, is also a subzero cold month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 30.2°F (-1°C). Bull Valley's average high-temperature in February is a still freezing cold 30.2°F (-1°C), marking an insignificant difference from the 26.6°F (-3°C) of January. Weather in February »
Weather in March
March, the first month of the spring in Bull Valley, is a frosty month, with temperature in the range of an average high of 42.8°F (6°C) and an average low of 28.9°F (-1.7°C). The arrival of March brings a temperature shift, with the average high-temperature escalating from a subzero cold 30.2°F (-1°C) in February to a frosty 42.8°F (6°C). Weather in March »
Weather in April
April in Bull Valley, Illinois, is a cool spring month, with temperature in the range of an average high of 54.3°F (12.4°C) and an average low of 38.3°F (3.5°C). April's arrival is marked by an increase in the average high-temperature, moving from a chilly 42.8°F (6°C) in March to a cool 54.3°F (12.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a comfortable month in Bull Valley, Illinois, with an average temperature varying between 49.3°F (9.6°C) and 66.4°F (19.1°C). The shift from April to May brings an increase in the average high-temperature, moving from a fresh 54.3°F (12.4°C) to a refreshing 66.4°F (19.1°C). Weather in May »
Weather in June
June, the first month of the summer in Bull Valley, is a warm month, with an average temperature fluctuating between 75.6°F (24.2°C) and 58.5°F (14.7°C). Bull Valley in June experiences an increase in the average high-temperature, moving from May's refreshing 66.4°F (19.1°C) to a warm 75.6°F (24.2°C). Weather in June »
Weather in July
July, like June, in Bull Valley, Illinois, is another warm summer month, with an average temperature ranging between min 63.1°F (17.3°C) and max 79.7°F (26.5°C). During the warmest month, July, temperatures average a high of 79.7°F (26.5°C) and a low of 63.1°F (17.3°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Bull Valley, Illinois, with an average temperature varying between 78.1°F (25.6°C) and 61.3°F (16.3°C). The transition from July to August sees an average high-temperature of a still warm 78.1°F (25.6°C), indicating a minor variance from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Bull Valley, is also an agreeable month, with an average temperature varying between 55°F (12.8°C) and 72.3°F (22.4°C). September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's moderately hot 78.1°F (25.6°C) to a pleasant 72.3°F (22.4°C). Weather in September »
Weather in October
October, the same as September, in Bull Valley, Illinois, is another refreshing autumn month, with an average temperature varying between 43.9°F (6.6°C) and 58.6°F (14.8°C). A change in temperatures is noted as September gives way to October, with average highs reducing from an agreeable 72.3°F (22.4°C) to a refreshing 58.6°F (14.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Bull Valley, is another chilly month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 32.2°F (0.1°C). November ushers in a slight temperature change, with average high-temperatures reducing from October's refreshing 58.6°F (14.8°C) to a chilly 44.6°F (7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Bull Valley, Illinois, with an average temperature fluctuating between 32.7°F (0.4°C) and 22.8°F (-5.1°C). The start of December signals a decrease in the average high-temperature, transitioning from a frosty 44.6°F (7°C) in November to an icy 32.7°F (0.4°C). Weather in December »
Updated: Jun 29, 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
What part of the year is the coldest?
Bull Valley records the coldest temperatures in January, averaging a high of 26.6°F (-3°C) and a low of 14.9°F (-9.5°C).
What are the most humid months?
January and February, with an average relative humidity of 85%, are most humid months.
How much does it rain?
In Bull Valley, during the entire year, the rain falls for 152.4 days and collects up to 28.07" (713mm) of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
When does it snow the most?
January is the month with the most snowfall in Bull Valley. Snow falls for 13.3 days and accumulates 5.16" (131mm) of snow.
How many days does it snow?
In Bull Valley, during the entire year, snow falls for 49 days and aggregates up to 16.5" (419mm) of snow.
What is the month with the least sunshine?
With an average of 3.7h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index?
January and December, with an average maximum UV index of 1, are months with the lowest UV index.
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 wettest month?
June is the month with the most rainfall. Rain falls for 17.2 days and accumulates 3.58" (91mm) of precipitation.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 15h and 12min of daylight, June has the longest days of the year.
What month is the hottest in Bull Valley?
July tends to be the warmest month, with temperatures averaging a daily high of 79.7°F (26.5°C) and a low of 63.1°F (17.3°C).
What is the month with the most sunshine?
The months with the most sunshine are July and August, with an average of 10h of sunshine.
When is the highest UV index?
The month with the highest UV index is August, with an average maximum UV index of 6.
What is the least humid month?
October is the least humid month, with an average relative humidity of 76%.
What is the driest month?
December is the month with the least rainfall. Rain falls for 7.9 days and accumulates 1.34" (34mm) of precipitation.
What is the month with the shortest days?
The month with the shortest days in Bull Valley is December, with an average of 9h and 6min of daylight.
Average temperature
Bull Valley, IL
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (26.6°F).
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (14.9°F).
Average pressure
Bull Valley, IL
- Average pressure in January:
30.11"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.09"Hg - Average pressure in April:
29.95"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:
29.97"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.09"Hg
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
Bull Valley, IL
- Average wind speed in January:
10mph - Average wind speed in February:
9.9mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
8.3mph - Average wind speed in June:
7.2mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.5mph - Average wind speed in December:
9.3mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity
Bull Valley, IL
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall
Bull Valley, IL
- Average rainfall in January:
1.54" - Average rainfall in February:
1.46" - Average rainfall in March:
1.77" - Average rainfall in April:
3.46" - Average rainfall in May:
3.39" - Average rainfall in June:
3.58"
- Average rainfall in July:
2.87" - Average rainfall in August:
2.56" - Average rainfall in September:
2.09" - Average rainfall in October:
2.52" - Average rainfall in November:
1.5" - Average rainfall in December:
1.34"
The wettest month (with the highest rainfall) is June (3.58").
The driest month (with the least rainfall) is December (1.34").
Average rainfall days
Bull Valley, IL
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
4.9 days - Average rainfall days in March:
11.1 days - Average rainfall days in April:
16.8 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
17.2 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
14 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
7.9 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.9 days).
Average snowfall
Bull Valley, IL
- Average snowfall in January:
5.16" - Average snowfall in February:
3.5" - Average snowfall in March:
1.89" - Average snowfall in April:
1.54" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Bull Valley, IL
- Average snowfall days in January:
13.3 days - Average snowfall days in February:
11.3 days - Average snowfall days in March:
6.8 days - Average snowfall days in April:
2.2 days - Average snowfall days in May:
0.1 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:
0.5 days - Average snowfall days in November:
4.5 days - Average snowfall days in December:
10.3 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bull Valley, IL
- Average daylight in January:
9h and 3min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 4min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 1min
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 6min).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 3min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
10h and 0min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 3min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days
Bull Valley, IL
- Average sunshine days in January:
13.7 days - Average sunshine days in February:
12.1 days - Average sunshine days in March:
14.4 days - Average sunshine days in April:
10.5 days - Average sunshine days in May:
11 days - Average sunshine days in June:
10.2 days
- Average sunshine days in July:
10.9 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
14.3 days - Average sunshine days in October:
14.5 days - Average sunshine days in November:
16 days - Average sunshine days in December:
15.9 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (10.2 days).
Average UV index
Bull Valley, IL
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover
Bull Valley, IL
The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility
Bull Valley, IL
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
Bull Valley, Illinois, USA
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