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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 Bartonville, Illinois, with an average temperature varying between 18.9°F (-7.3°C) and 30.7°F (-0.7°C). January, on average, is the coldest month, registering a high temperature of 30.7°F (-0.7°C) and a low of 18.9°F (-7.3°C). Weather in January »
Weather in February
The last month of the winter, February, is a wintry month in Bartonville, Illinois, with an average temperature varying between 22.5°F (-5.3°C) and 35.2°F (1.8°C). The average high-temperature during February registers at an icy 35.2°F (1.8°C), maintaining a close resemblance to the previous month. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Bartonville, Illinois, with temperature in the range of an average low of 34°F (1.1°C) and an average high of 49.1°F (9.5°C). Bartonville's weather shows a temperature rise with the arrival of March, moving from a cold 35.2°F (1.8°C) in February to a frosty 49.1°F (9.5°C). Weather in March »
Weather in April
April is a comfortable spring month in Bartonville, Illinois, with an average temperature ranging between min 44.2°F (6.8°C) and max 60.8°F (16°C). The shift from March to April is marked by an increase in the average high-temperature, moving from a frosty 49.1°F (9.5°C) to an enjoyable 60.8°F (16°C). Weather in April »
Weather in May
The last month of the spring, May, is a pleasant month in Bartonville, Illinois, with temperature in the range of an average high of 71.6°F (22°C) and an average low of 55°F (12.8°C). In May, the meteorological conditions change with the average high-temperature moving from an enjoyable 60.8°F (16°C) in April to an agreeable 71.6°F (22°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Bartonville, Illinois, with an average temperature ranging between min 63.1°F (17.3°C) and max 79.9°F (26.6°C). June's arrival is noted with a slight increase in the average high-temperature, moving from a pleasant 71.6°F (22°C) in May to a warm 79.9°F (26.6°C). Weather in June »
Weather in July
July, like June, in Bartonville, Illinois, is another warm summer month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 65.3°F (18.5°C). In Bartonville, the peak average temperatures are observed in July, with a high of 82°F (27.8°C) and a low of 65.3°F (18.5°C). The heat index value for July is evaluated at a hot 89.6°F (32°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Bartonville, Illinois, with temperature in the range of an average high of 81.1°F (27.3°C) and an average low of 63.3°F (17.4°C). August's climate shows a minor adjustment in average high-temperatures to a still warm 81.1°F (27.3°C) from July's 82°F (27.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bartonville, Illinois, with an average temperature fluctuating between 76.1°F (24.5°C) and 57.2°F (14°C). Bartonville's shift into September sets the average high-temperature at a still moderately hot 76.1°F (24.5°C), a figure that deviates only slightly from August's 81.1°F (27.3°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Bartonville, Illinois, with an average temperature varying between 62.1°F (16.7°C) and 46.4°F (8°C). In October, the average high-temperature goes from a moderately hot 76.1°F (24.5°C) in September to a comfortable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Bartonville, Illinois, with temperature in the range of an average low of 34.7°F (1.5°C) and an average high of 48.4°F (9.1°C). Start of November brings a shift in the average high-temperature, falling from October's enjoyable 62.1°F (16.7°C) to a frosty 48.4°F (9.1°C). Weather in November »
Weather in December
December, the first month of the winter in Bartonville, is still a cold month, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.1°F (-3.3°C). With December's arrival, Bartonville's weather changes as the average high-temperature falls from a frosty 48.4°F (9.1°C) in November to a wintry 36.5°F (2.5°C). Weather in December »
Updated: Jul 3, 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 time of the year is the coldest?
The month of January sees the average lowest temperatures, reaching 30.7°F (-0.7°C) at the peak and 18.9°F (-7.3°C) at the low.
What is the driest month in Bartonville?
The month with the least rainfall is January, when the rain falls for 5.2 days and typically collects 0.75" (19mm) of precipitation.
How many days does it rain?
In Bartonville, during the entire year, the rain falls for 129.2 days and collects up to 17.24" (438mm) of precipitation.
When does it snow?
Months with snowfall are January through April, October through December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 9 days and typically aggregates up to 2.36" (60mm) of snow.
How much does it snow?
Throughout the year, there are 26.7 snowfall days, and 7.09" (180mm) of snow is accumulated.
What is the month with the least sunshine in Bartonville?
The month with the least sunshine is January, with an average of 4h of sunshine.
When is the lowest UV index?
January, February, November and December, with an average maximum UV index of 2, 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 rainiest month?
The month with the most rainfall in Bartonville is May, when the rain falls for 16.8 days and typically aggregates up to 2.64" (67mm) of precipitation.
When it does not snow?
In Bartonville, Illinois, snow does not fall in May through September.
When are the longest days?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine?
The month with the most sunshine is June, with an average of 10.3h of sunshine.
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 part of the year is the hottest?
July is the warmest month of the year, registering average temperatures as high as 82°F (27.8°C) and as low as 65.3°F (18.5°C).
What is the most humid month?
The most humid month is July, with an average relative humidity of 84%.
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?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
Average temperature
Bartonville, IL
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (30.7°F).
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Bartonville, 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:
29.95"Hg - Average pressure in June:
29.91"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:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Bartonville, IL
- Average wind speed in January:
10.4mph - Average wind speed in February:
10.4mph - Average wind speed in March:
10.3mph - Average wind speed in April:
10.6mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.8mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.3mph - Average wind speed in November:
10mph - Average wind speed in December:
9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Bartonville, IL
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Bartonville, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
0.83" - Average rainfall in March:
1.34" - Average rainfall in April:
2.01" - Average rainfall in May:
2.64" - Average rainfall in June:
1.97"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.3" - Average rainfall in September:
1.42" - Average rainfall in October:
1.46" - Average rainfall in November:
1.02" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is January (0.75").
Average rainfall days
Bartonville, IL
- Average rainfall days in January:
5.2 days - Average rainfall days in February:
4.6 days - Average rainfall days in March:
11.5 days - Average rainfall days in April:
13.3 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
14.9 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
8.1 days - Average rainfall days in December:
6.2 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (4.6 days).
Average snowfall
Bartonville, IL
The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Bartonville, IL
- Average snowfall days in January:
9 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.8 days - Average snowfall days in April:
0.5 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:
0.1 days - Average snowfall days in November:
1.6 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bartonville, IL
- Average daylight in January:
9h and 4min - 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 3min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 4min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 18min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 2min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 1min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
10h and 0min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Bartonville, IL
- Average sunshine days in January:
18.5 days - Average sunshine days in February:
17.8 days - Average sunshine days in March:
16.7 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
11.6 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
16.4 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
19.8 days - Average sunshine days in December:
19.5 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Bartonville, 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
Bartonville, IL
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Bartonville, 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).
Bartonville, Illinois, USA
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