Climate and monthly weather forecast
Banner, IL

englishespañol中文
Share

Weather in January

January, like December, is another subzero cold winter month in Banner, Illinois, with an average temperature fluctuating between 31.3°F (-0.4°C) and 19.2°F (-7.1°C). January is the coldest month, with an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 19.2°F (-7.1°C). Weather in January »

Weather in February

February, the last month of the winter in Banner, is a wintry month, with an average temperature fluctuating between 36.1°F (2.3°C) and 22.5°F (-5.3°C). Banner's average high-temperature marks an icy 36.1°F (2.3°C) with the advent of February, closely mirroring that of the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Banner, is a frosty month, with an average temperature fluctuating between 49.5°F (9.7°C) and 34.2°F (1.2°C). As Banner transitions into March, the average high-temperature is observed to rise from a cold 36.1°F (2.3°C) in February to a frosty 49.5°F (9.7°C). Weather in March »

Weather in April

April is a comfortable spring month in Banner, Illinois, with temperature in the range of an average low of 44.2°F (6.8°C) and an average high of 61.3°F (16.3°C). April shows a rise in the average high-temperature, moving from March's frosty 49.5°F (9.7°C) to a refreshing 61.3°F (16.3°C). Weather in April »

Weather in May

May, the last month of the spring in Banner, is a pleasant month, with an average temperature ranging between min 55°F (12.8°C) and max 72°F (22.2°C). As April gives way to May, the average high-temperature displays an increase, moving from a refreshing 61.3°F (16.3°C) to an agreeable 72°F (22.2°C). Weather in May »

Weather in June

June, the first month of the summer in Banner, is a warm month, with an average temperature ranging between min 63.7°F (17.6°C) and max 80.4°F (26.9°C). As May transitions into June, Banner notices a gentle rise in the average high-temperature, transitioning from an agreeable 72°F (22.2°C) to a warm 80.4°F (26.9°C). Weather in June »

Weather in July

July, like June, in Banner, Illinois, is another warm summer month, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 82.4°F (28°C). July is the month when Banner's temperatures reach their peak, with averages of 82.4°F (28°C) and lows of 65.7°F (18.7°C). The average heat index in July is calculated to be a hot 91.4°F (33°C). Weather in July »

Weather in August

August, the last month of the summer in Banner, is another warm month, with an average temperature fluctuating between 63.5°F (17.5°C) and 81.9°F (27.7°C). The weather during August records an average high-temperature of a still moderately hot 81.9°F (27.7°C), closely mirroring the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Banner, Illinois, with an average temperature varying between 57.4°F (14.1°C) and 76.5°F (24.7°C). With the onset of September, Banner's climate undergoes a slight change as the average high-temperature moves from a warm 81.9°F (27.7°C) in August to a still moderately hot 76.5°F (24.7°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Banner, Illinois, with an average temperature ranging between max 62.8°F (17.1°C) and min 46.2°F (7.9°C). The average high-temperature drops in October, from September's warm 76.5°F (24.7°C) to a comfortable 62.8°F (17.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Banner, is another chilly month, with an average temperature fluctuating between 34.7°F (1.5°C) and 48.9°F (9.4°C). Banner's progression into November includes a drop in the average high-temperature, from a refreshing 62.8°F (17.1°C) in October to a chilly 48.9°F (9.4°C). Weather in November »

Weather in December

December, the first month of the winter in Banner, is also a wintry month, with an average temperature varying between 36.9°F (2.7°C) and 26.2°F (-3.2°C). Banner's December weather comes with a decrease in average high-temperatures, moving from a frosty 48.9°F (9.4°C) in November to a wintry 36.9°F (2.7°C). Weather in December »
[Resources]

Frequently asked questions

What time of the year is the coldest in Banner?

In Banner, January is known for its average lowest temperatures, reaching a high of 31.3°F (-0.4°C) and a low of 19.2°F (-7.1°C).

How much does it rain in Banner?

In Banner, during the entire year, the rain falls for 98 days and collects up to 8.86" (225mm) of precipitation.

When does it snow in Banner?

Months with snowfall in Banner, Illinois, are January through April, October through December.

When does it snow the most in Banner?

The month with the most snowfall in Banner, Illinois, is January, when snow falls for 6.4 days and typically aggregates up to 1.1" (28mm) of snow.

How much does it snow in Banner?

Throughout the year, there are 19.9 snowfall days, and 3.07" (78mm) of snow is accumulated.

What is the month with the least sunshine in Banner?

With an average of 4h of sunshine, January has the least sunshine of the year in Banner, Illinois.

What are the months with the lowest UV index in Banner?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the driest month in Banner?

February and December are months with the least rain in Banner, Illinois, when the rain falls for 3.3 days and typically aggregates up to 0.35" (9mm) of rain.

When is Daylight Saving Time (DST) in Banner?

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 Banner?

May is the month with the most rainfall in Banner. Rain falls for 12.9 days and accumulates 1.3" (33mm) of precipitation.

When it does not snow in Banner?

May through September are months without snowfall.

When are the longest days in Banner?

With an average of 15h and 0min of daylight, June has the longest days of the year.

What is the month with the most sunshine in Banner?

June and July, with an average of 10.1h of sunshine, are months with the most sunshine.

What are the months with the highest UV index in Banner?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What time of the year is the hottest in Banner?

July, with average temperatures reaching a high of 82.4°F (28°C) and a low of 65.7°F (18.7°C), is the warmest month in Banner.

What is the most humid month in Banner?

With an average relative humidity of 83%, July is the most humid month.

What is the least humid month in Banner?

October is the least humid month in Banner, Illinois, with an average relative humidity of 71%.

What is the month with the shortest days in Banner?

December has the shortest days of the year in Banner, Illinois, with an average of 9h and 18min of daylight.

Average temperature
Banner, IL

Average temperature - Banner, IL

The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (31.3°F).

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).

[Resources]

Average pressure
Banner, IL

Average pressure - Banner, IL

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

[Resources]

Average wind speed
Banner, IL

Average wind speed - Banner, IL

The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).

[Resources]

Average rainfall
Banner, IL

Average rainfall - Banner, IL

The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are February and December (0.35").

[Resources]

Average rainfall days
Banner, IL

Average rainfall days - Banner, IL

The month with the highest number of rainy days is June (13.2 days).
The month with the least rainy days is January (3 days).

[Resources]

Average snowfall
Banner, IL

Average snowfall - Banner, IL

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days
Banner, IL

Average snowfall days - Banner, IL

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight / Average sunshine
Banner, IL

Average daylight / Average sunshine - Banner, IL

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).

The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

[Resources]

Average sunshine days
Banner, IL

Average sunshine days - Banner, IL

The month with the most sunshine days is January (23.6 days).
The month with the least sunshine days is June (14.4 days).

[Resources]

Average UV index
Banner, IL

Average UV index - Banner, 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).

[Resources]

Average visibility
Banner, IL

Average visibility - Banner, 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).

[Resources]

Banner, Illinois, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location