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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, in Bonnie, Illinois, is a wintry winter month, with an average temperature varying between 37.9°F (3.3°C) and 24.8°F (-4°C). Bonnie's January weather, with an average high temperature of 37.9°F (3.3°C) and an average low temperature of 24.8°F (-4°C), tends to be the coldest of the year. Weather in January »
Weather in February
February, the last month of the winter in Bonnie, is also an icy month, with an average temperature fluctuating between 28.8°F (-1.8°C) and 42.4°F (5.8°C). February observes an average high-temperature of a still icy 42.4°F (5.8°C), marking an insignificant difference from January's 37.9°F (3.3°C). Weather in February »
Weather in March
The first month of the spring, March, is a cool month in Bonnie, Illinois, 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). March brings a temperature increase, with average high-temperatures moving from February's icy 42.4°F (5.8°C) to a cool 54.3°F (12.4°C). Weather in March »
Weather in April
April in Bonnie, Illinois, is a refreshing spring month, with temperature in the range of an average high of 65.1°F (18.4°C) and an average low of 47.8°F (8.8°C). As Bonnie welcomes April, the average high-temperature sees a rise, transitioning from a cool 54.3°F (12.4°C) in March to a refreshing 65.1°F (18.4°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in Bonnie, Illinois, with an average temperature varying between 74.8°F (23.8°C) and 57.9°F (14.4°C). May's arrival coincides with a rise in the average high-temperature, moving from April's refreshing 65.1°F (18.4°C) to a warm 74.8°F (23.8°C). Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Bonnie, Illinois, with an average temperature fluctuating between 66.6°F (19.2°C) and 83.5°F (28.6°C). June marks a minor ascent in the average high-temperature, adjusting from May's warm 74.8°F (23.8°C) to a still moderately hot 83.5°F (28.6°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Bonnie, Illinois, with temperature in the range of an average high of 85.6°F (29.8°C) and an average low of 67.8°F (19.9°C). With average high temperatures of 85.6°F (29.8°C) and lows of 67.8°F (19.9°C), July is the warmest month. During July, the heat index is computed to be a sweltering 98.6°F (37°C). Weather in July »
Weather in August
August, the last month of the summer in Bonnie, is also a moderately hot month, with an average temperature fluctuating between 84°F (28.9°C) and 65.8°F (18.8°C). The arrival of August sees an average high-temperature of a still warm 84°F (28.9°C), hardly diverging from July's 85.6°F (29.8°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Bonnie, Illinois, with an average temperature ranging between max 79°F (26.1°C) and min 60.1°F (15.6°C). September's presence marks an average high-temperature of a still warm 79°F (26.1°C), subtly varied from August's 84°F (28.9°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Bonnie, Illinois, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 66.4°F (19.1°C). A shift in the average high-temperature occurs in October, reducing from a moderately hot 79°F (26.1°C) in September to a refreshing 66.4°F (19.1°C). Weather in October »
Weather in November
November, the last month of the autumn in Bonnie, is another cool month, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 37.9°F (3.3°C). Bonnie's November weather comes with a decrease in average high-temperatures, moving from a comfortable 66.4°F (19.1°C) in October to a fresh 52.7°F (11.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Bonnie, Illinois, with temperature in the range of an average high of 43.2°F (6.2°C) and an average low of 30.9°F (-0.6°C). The shift from November to December involves a decrease in the average high-temperature, dropping from a cool 52.7°F (11.5°C) to a frosty 43.2°F (6.2°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Bonnie?
January, characterized by an average high temperature of 37.9°F (3.3°C) and a low temperature of 24.8°F (-4°C), is generally the coldest month in Bonnie.
How many days does it rain in Bonnie?
Throughout the year, there are 145.8 rainfall days, and 29.13" (740mm) of precipitation is accumulated.
When does it snow in Bonnie?
January through April, November and December are months with snowfall in Bonnie, Illinois.
How many days does it snow in Bonnie?
Throughout the year, in Bonnie, there are 15.4 snowfall days, and 5.87" (149mm) of snow is accumulated.
What is the month with the least sunshine in Bonnie?
With an average of 4.5h of sunshine, January has the least sunshine of the year.
What are the months with the lowest UV index in Bonnie?
The months with the lowest UV index in Bonnie are January, November and December, with an average maximum UV index of 2.
When does it snow the most in Bonnie?
February is the month with the most snowfall in Bonnie, Illinois. Snow falls for 4.5 days and accumulates 1.73" (44mm) of snow.
When is Daylight Saving Time (DST) in Bonnie?
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 in Bonnie?
The month with the most rainfall in Bonnie, Illinois, is April, when the rain falls for 14.7 days and typically aggregates up to 3.78" (96mm) of precipitation.
What is the most humid month in Bonnie?
The most humid month in Bonnie is May, with an average relative humidity of 80%.
When it does not snow in Bonnie?
May through October are months without snowfall in Bonnie, Illinois.
What is the month with the highest UV index in Bonnie?
May through August, with an average maximum UV index of 6, are months with the highest UV index in Bonnie.
When are the longest days in Bonnie?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What month has the most sunshine in Bonnie?
June has the most sunshine of the year in Bonnie, with an average of 10.5h of sunshine.
What part of the year is the hottest in Bonnie?
Bonnie's warmest month, July, registers temperatures that range from a high of 85.6°F (29.8°C) to a low of 67.8°F (19.9°C).
What is the driest month in Bonnie?
The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.61" (41mm) of precipitation.
What is the least humid month in Bonnie?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days in Bonnie?
The month with the shortest days is December, with an average of 9h and 36min of daylight.
Average temperature
Bonnie, IL
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).
Average pressure
Bonnie, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.08"Hg - Average pressure in April:
29.95"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.14"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Bonnie, IL
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.8mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
5.9mph - Average wind speed in September:
6.5mph - Average wind speed in October:
8.3mph - Average wind speed in November:
8.9mph - Average wind speed in December:
9.1mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.9mph).
Average humidity
Bonnie, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Bonnie, IL
- Average rainfall in January:
1.77" - Average rainfall in February:
1.77" - Average rainfall in March:
2.6" - Average rainfall in April:
3.78" - Average rainfall in May:
3.23" - Average rainfall in June:
3.11"
- Average rainfall in July:
2.76" - Average rainfall in August:
2.36" - Average rainfall in September:
1.61" - Average rainfall in October:
2.09" - Average rainfall in November:
2.05" - Average rainfall in December:
2.01"
The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days
Bonnie, IL
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
8.8 days - Average rainfall days in March:
14.1 days - Average rainfall days in April:
14.7 days - Average rainfall days in May:
17 days - Average rainfall days in June:
14.9 days
- Average rainfall days in July:
15.9 days - Average rainfall days in August:
13.4 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
9.5 days - Average rainfall days in December:
8.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (7.5 days).
Average snowfall
Bonnie, IL
The month with the highest snowfall is February (1.73").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Bonnie, IL
- Average snowfall days in January:
4.8 days - Average snowfall days in February:
4.5 days - Average snowfall days in March:
1.8 days - Average snowfall days in April:
0.3 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:
1.1 days - Average snowfall days in December:
2.9 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Bonnie, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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:
10h and 1min - Average daylight in December:
9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 3min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 3min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 3min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days
Bonnie, IL
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
15.4 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
13.7 days - Average sunshine days in May:
11.3 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
13.3 days - Average sunshine days in August:
15.6 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
18.7 days - Average sunshine days in December:
19.9 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is May (11.3 days).
Average UV index
Bonnie, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover
Bonnie, IL
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility
Bonnie, 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).
Bonnie, Illinois, USA
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