Climate and monthly weather forecastKewanee, IL

Climate and monthly weather forecast

Weather in January

January, like December, is another subzero cold winter month in Kewanee, Illinois, with an average temperature fluctuating between 16.7°F (-8.5°C) and 28.8°F (-1.8°C). January is the coldest month, exhibiting average temperatures of 28.8°F (-1.8°C) at the peak and 16.7°F (-8.5°C) at the base. Weather in January »

Weather in February

February, the last month of the winter in Kewanee, is a cold month, with an average temperature varying between 33.3°F (0.7°C) and 20.5°F (-6.4°C). February ushers in an average high-temperature of a cold 33.3°F (0.7°C), aligning closely with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Kewanee, is a frosty month, with temperature in the range of an average high of 47.1°F (8.4°C) and an average low of 32.4°F (0.2°C). In Kewanee, stepping into March brings a temperature increase, moving up from February's icy 33.3°F (0.7°C) to a chilly 47.1°F (8.4°C). Weather in March »

Weather in April

April is a mild spring month in Kewanee, Illinois, with an average temperature varying between 59.2°F (15.1°C) and 42.4°F (5.8°C). April's arrival brings a temperature shift, moving from a frosty 47.1°F (8.4°C) in March to a refreshing 59.2°F (15.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Kewanee, Illinois, with an average temperature varying between 53.6°F (12°C) and 70.7°F (21.5°C). The shift into May is characterized by a rise in the average high-temperature, transitioning from April's moderate 59.2°F (15.1°C) to an agreeable 70.7°F (21.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Kewanee, Illinois, with temperature in the range of an average high of 78.6°F (25.9°C) and an average low of 62.1°F (16.7°C). June signals a minor shift in the average high-temperature, moving from May's agreeable 70.7°F (21.5°C) to a warm 78.6°F (25.9°C). Weather in June »

Weather in July

July, like June, in Kewanee, Illinois, is a moderately hot summer month, with an average temperature ranging between min 64.6°F (18.1°C) and max 81°F (27.2°C). With average high and low temperatures of 81°F (27.2°C) and 64.6°F (18.1°C) respectively, July is Kewanee's warmest month. The heat index in July is estimated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Kewanee, is another warm month, with an average temperature varying between 62.6°F (17°C) and 80.1°F (26.7°C). Transitioning into August, Kewanee experiences an average high-temperature of a still warm 80.1°F (26.7°C), marking a minor shift from the preceding month. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Kewanee, Illinois, with an average temperature ranging between max 74.8°F (23.8°C) and min 56.3°F (13.5°C). As September takes its course, Kewanee's average high-temperature registers at a still moderately hot 74.8°F (23.8°C), closely aligning with the preceding month. Weather in September »

Weather in October

October, like September, in Kewanee, Illinois, is another comfortable autumn month, with an average temperature ranging between max 61.3°F (16.3°C) and min 45.5°F (7.5°C). With the onset of October, Kewanee experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 74.8°F (23.8°C) in September to a refreshing 61.3°F (16.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Kewanee, Illinois, with an average temperature fluctuating between 47.1°F (8.4°C) and 33.4°F (0.8°C). Kewanee in November demonstrates a small temperature transition, adjusting from an average high of a refreshing 61.3°F (16.3°C) in October to a chilly 47.1°F (8.4°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Kewanee, Illinois, with an average temperature fluctuating between 24.1°F (-4.4°C) and 34.7°F (1.5°C). December's arrival comes with a decrease in the average high-temperature, moving from a chilly 47.1°F (8.4°C) in November to a cold 34.7°F (1.5°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is the month when Kewanee experiences its coldest temperatures, averaging a high of 28.8°F (-1.8°C) and a low of 16.7°F (-8.5°C).

The months with the least rainfall in Kewanee are January and December Rain falls for 6.1 days and accumulates 1.42" (36mm) of rain.

Throughout the year, there are 147.2 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

January through April, October through December are months with snowfall in Kewanee, Illinois.

The month with the most snowfall is January, when snow falls for 11.4 days and typically aggregates up to 3.66" (93mm) of snow.

Throughout the year, in Kewanee, there are 37 snowfall days, and 12.91" (328mm) of snow is accumulated.

The month with the least sunshine is January, with an average of 3.9h of sunshine.

The month with the lowest UV index in Kewanee is January, with an average maximum UV index of 1.

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.

The month with the most rainfall in Kewanee, Illinois, is May, when the rain falls for 18.3 days and typically aggregates up to 4.45" (113mm) of precipitation.

In Kewanee, snow does not fall in May through September.

The month with the longest days in Kewanee is June, with an average of 15h and 6min of daylight.

June and July, with an average of 10h of sunshine, are months with the most sunshine in Kewanee.

June and July, with an average maximum UV index of 6, are months with the highest UV index.

Kewanee, Illinois, notes the warmest temperatures in July, with a average high of 81°F (27.2°C) and a low of 64.6°F (18.1°C).

The most humid month is July, with an average relative humidity of 84%.

October is the least humid month, with an average relative humidity of 72%.

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

Average temperature
Kewanee, IL

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (28.8°F).

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

Average pressure
Kewanee, IL

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed
Kewanee, IL

The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).

Average humidity
Kewanee, IL

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).

Average rainfall
Kewanee, IL

The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.42").

Average rainfall days
Kewanee, IL

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.6 days).

Average snowfall
Kewanee, IL

The month with the highest snowfall is January (3.66").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Kewanee, IL

The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Kewanee, IL

The month with the longest days is June (Average daylight: 15h and 6min).
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 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days
Kewanee, IL

The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (10.2 days).

Average UV index
Kewanee, IL

The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).

Average cloud cover
Kewanee, IL

The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are August and September (Cloud cover 30).

Average visibility
Kewanee, 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).