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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 another subzero cold winter month in Bannockburn, Illinois, with temperature in the range of an average low of 18.9°F (-7.3°C) and an average high of 28.6°F (-1.9°C). January, with its average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 18.9°F (-7.3°C), holds the record as the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Bannockburn, is also a subzero cold month, with an average temperature fluctuating between 31.3°F (-0.4°C) and 21.6°F (-5.8°C). Bannockburn experiences a transition to a still subzero cold 31.3°F (-0.4°C) in average high-temperatures with the arrival of February, not greatly differing from January's 28.6°F (-1.9°C). Weather in February »
Weather in March
The first month of the spring, March, is a wintry month in Bannockburn, Illinois, with an average temperature varying between 41.5°F (5.3°C) and 31.5°F (-0.3°C). The arrival of March brings a temperature shift, with the average high-temperature escalating from a freezing cold 31.3°F (-0.4°C) in February to an icy 41.5°F (5.3°C). Weather in March »
Weather in April
April in Bannockburn, Illinois, is a fresh spring month, with an average temperature fluctuating between 39.7°F (4.3°C) and 50.9°F (10.5°C). The arrival of April signals an increase in the average high-temperature, moving from an icy 41.5°F (5.3°C) in March to a fresh 50.9°F (10.5°C). Weather in April »
Weather in May
May, the last month of the spring in Bannockburn, is a refreshing month, with an average temperature varying between 61.2°F (16.2°C) and 49.6°F (9.8°C). May signals a shift in the average high-temperature, moving from April's fresh 50.9°F (10.5°C) to a comfortable 61.2°F (16.2°C). Weather in May »
Weather in June
June, the first month of the summer in Bannockburn, is a pleasant month, with an average temperature ranging between min 59.4°F (15.2°C) and max 71.1°F (21.7°C). June witnesses an increase in the average high-temperature, moving from a comfortable 61.2°F (16.2°C) in May to an agreeable 71.1°F (21.7°C). Weather in June »
Weather in July
July is a warm summer month in Bannockburn, Illinois, with an average temperature fluctuating between 77.7°F (25.4°C) and 66.7°F (19.3°C). July is the warmest month, with an average high-temperature of 77.7°F (25.4°C) and an average low-temperature of 66.7°F (19.3°C). Weather in July »
Weather in August
August, the last month of the summer in Bannockburn, is also a moderately hot month, with an average temperature fluctuating between 77.5°F (25.3°C) and 66.7°F (19.3°C). The onset of August manifests an average high-temperature of a still moderately hot 77.5°F (25.3°C), demonstrating a minor variation from the preceding month. Weather in August »
Weather in September
The first month of the autumn, September, is also an agreeable month in Bannockburn, Illinois, with temperature in the range of an average high of 71.2°F (21.8°C) and an average low of 60.1°F (15.6°C). As September commences, the average high-temperature subtly reduces, transitioning from a warm 77.5°F (25.3°C) in August to an agreeable 71.2°F (21.8°C). Weather in September »
Weather in October
October, the same as September, in Bannockburn, Illinois, is another mild autumn month, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 58.6°F (14.8°C). As Bannockburn, Illinois, enters October, the average high-temperature decreases from the a pleasant 71.2°F (21.8°C) of September to a mild 58.6°F (14.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Bannockburn, Illinois, with an average temperature ranging between min 35.1°F (1.7°C) and max 45.5°F (7.5°C). Bannockburn's progression into November includes a drop in the average high-temperature, from a refreshing 58.6°F (14.8°C) in October to a frosty 45.5°F (7.5°C). Weather in November »
Weather in December
December, the first month of the winter in Bannockburn, is still a cold month, with an average temperature varying between 34.5°F (1.4°C) and 26.2°F (-3.2°C). With December's onset, the average high-temperature recedes from November's chilly 45.5°F (7.5°C) to a cold 34.5°F (1.4°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest time of year in Bannockburn?
January proves to be the coldest month, recording an average maximum temperature of 28.6°F (-1.9°C) and a minimum temperature of 18.9°F (-7.3°C).
What are the most humid months in Bannockburn?
January and February, with an average relative humidity of 82%, are most humid months in Bannockburn, Illinois.
How many days does it rain in Bannockburn?
In Bannockburn, during the entire year, the rain falls for 154.1 days and collects up to 30.24" (768mm) of precipitation.
When does it snow in Bannockburn?
January through April, October through December are months with snowfall.
What is the snowiest month in Bannockburn?
The month with the most snowfall is January, when snow falls for 11.9 days and typically aggregates up to 4.13" (105mm) of snow.
How much does it snow in Bannockburn?
In Bannockburn, Illinois, during the entire year, snow falls for 42.9 days and aggregates up to 13.82" (351mm) of snow.
What is the month with the least sunshine in Bannockburn?
January has the least sunshine of the year in Bannockburn, Illinois, with an average of 3.8h of sunshine.
When is Daylight Saving Time (DST) in Bannockburn?
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 in Bannockburn?
The wettest months in Bannockburn are May and June, with an average 3.82" (97mm) of rainfall.
When it does not snow in Bannockburn?
In Bannockburn, snow does not fall in May through September.
When are the longest days in Bannockburn?
With an average of 15h and 12min of daylight, June has the longest days of the year in Bannockburn.
What are the months with the highest UV index in Bannockburn?
The months with the highest UV index in Bannockburn are June through August, with an average maximum UV index of 6.
What time of the year is the hottest in Bannockburn?
July stands out as Bannockburn's warmest month, with temperatures ranging between an average high of 77.7°F (25.4°C) and a low of 66.7°F (19.3°C).
What month has the most sunshine in Bannockburn?
August has the most sunshine of the year in Bannockburn, with an average of 10.7h of sunshine.
What is the least humid month in Bannockburn?
The least humid month in Bannockburn is October, with an average relative humidity of 73%.
What is the driest month in Bannockburn?
The month with the least rainfall in Bannockburn, Illinois, is December, when the rain falls for 8.6 days and typically collects 1.3" (33mm) of precipitation.
What is the month with the shortest days in Bannockburn?
The month with the shortest days is December, with an average of 9h and 12min of daylight.
When is the lowest UV index in Bannockburn?
With an average maximum UV index of 1, December is the month with the lowest UV index in Bannockburn, Illinois.
Average temperature
Bannockburn, IL
The warmest month (with the highest average high temperature) is July (77.7°F).
The month with the lowest average high temperature is January (28.6°F).
The months with the highest average low temperature are July and August (66.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure
Bannockburn, IL
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.09"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:
29.98"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 (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Bannockburn, IL
- Average wind speed in January:
11.9mph - Average wind speed in February:
11.6mph - Average wind speed in March:
10.7mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.1mph
- Average wind speed in July:
7.5mph - Average wind speed in August:
7.4mph - Average wind speed in September:
8.9mph - Average wind speed in October:
10.7mph - Average wind speed in November:
11.5mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).
Average humidity
Bannockburn, IL
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall
Bannockburn, IL
- Average rainfall in January:
1.54" - Average rainfall in February:
1.54" - Average rainfall in March:
1.77" - Average rainfall in April:
3.43" - Average rainfall in May:
3.82" - Average rainfall in June:
3.82"
The wettest months (with the highest rainfall) are May and June (3.82").
The driest month (with the least rainfall) is December (1.3").
Average rainfall days
Bannockburn, IL
- Average rainfall days in January:
6.2 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
11.3 days - Average rainfall days in April:
16.1 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16.6 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
13.6 days - Average rainfall days in October:
14.7 days - Average rainfall days in November:
10.2 days - Average rainfall days in December:
8.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (5.9 days).
Average snowfall
Bannockburn, IL
The month with the highest snowfall is January (4.13").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Bannockburn, IL
- Average snowfall days in January:
11.9 days - Average snowfall days in February:
9.5 days - Average snowfall days in March:
5.8 days - Average snowfall days in April:
2.4 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:
0.5 days - Average snowfall days in November:
3.7 days - Average snowfall days in December:
9.1 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Bannockburn, 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 1min - 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 12min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
3h and 5min - Average sunshine in March:
6h and 1min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 5min - Average sunshine in June:
10h and 0min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 4min - Average sunshine in September:
9h and 1min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days
Bannockburn, IL
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
14 days - Average sunshine days in April:
10.8 days - Average sunshine days in May:
11.2 days - Average sunshine days in June:
11.2 days
- Average sunshine days in July:
11.5 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
13.6 days - Average sunshine days in November:
14.7 days - Average sunshine days in December:
15.3 days
The month with the most sunshine days is December (15.3 days).
The month with the least sunshine days is April (10.8 days).
Average UV index
Bannockburn, IL
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Bannockburn, IL
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July and August (Cloud cover 27).
Average visibility
Bannockburn, 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).
Bannockburn, Illinois, USA
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