Climate and monthly weather forecast
Clifton, IL

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Weather in January

January, the same as December, in Clifton, Illinois, is another subzero cold winter month, with an average temperature fluctuating between 18.5°F (-7.5°C) and 30.2°F (-1°C). In Clifton, the month of January is known for its lowest average temperatures, reaching a high of 30.2°F (-1°C) and a low of 18.5°F (-7.5°C). Weather in January »

Weather in February

The last month of the winter, February, is an icy month in Clifton, Illinois, with an average temperature fluctuating between 21.6°F (-5.8°C) and 34.7°F (1.5°C). Clifton's February average high-temperature settles at a cold 34.7°F (1.5°C), showing a near match with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Clifton, is a frosty month, with an average temperature fluctuating between 47.5°F (8.6°C) and 33.4°F (0.8°C). With the transition into March, Clifton experiences an increase in average high-temperatures, moving up from an icy 34.7°F (1.5°C) in February to a frosty 47.5°F (8.6°C). Weather in March »

Weather in April

April is a moderate spring month in Clifton, Illinois, with an average temperature ranging between min 43.5°F (6.4°C) and max 59.5°F (15.3°C). The start of April brings a shift in the average high-temperature, increasing from March's frosty 47.5°F (8.6°C) to a refreshing 59.5°F (15.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a pleasant month in Clifton, Illinois, with an average temperature ranging between max 71.2°F (21.8°C) and min 54.5°F (12.5°C). With the onset of May, the average high-temperature slightly shifts from April's moderate 59.5°F (15.3°C) to an agreeable 71.2°F (21.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a warm month in Clifton, Illinois, with an average temperature varying between 79.3°F (26.3°C) and 62.6°F (17°C). As Clifton welcomes June, the average high-temperature displays a subtle shift, adjusting from an agreeable 71.2°F (21.8°C) in May to a warm 79.3°F (26.3°C). Weather in June »

Weather in July

July, like June, in Clifton, Illinois, is a moderately hot summer month, with an average temperature fluctuating between 81.1°F (27.3°C) and 64.4°F (18°C). July, known for its average high temperature of 81.1°F (27.3°C) and an average low temperature of 64.4°F (18°C), is the warmest month. July's mean heat index is estimated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

August, the last month of the summer in Clifton, is also a moderately hot month, with an average temperature fluctuating between 79.5°F (26.4°C) and 62.4°F (16.9°C). The commencement of August brings an average high-temperature of a still moderately hot 79.5°F (26.4°C), marking an inconsequential divergence from July. Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Clifton, Illinois, with an average temperature fluctuating between 57.2°F (14°C) and 75.2°F (24°C). As Clifton, Illinois, welcomes September, the average high-temperature stabilizes at a still warm 75.2°F (24°C), showing little deviation from August's 79.5°F (26.4°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Clifton, Illinois, with an average temperature varying between 46.8°F (8.2°C) and 62.1°F (16.7°C). Clifton's October weather features a mild decline in high-temperatures, reducing from a warm 75.2°F (24°C) in September to a refreshing 62.1°F (16.7°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Clifton, Illinois, with an average temperature ranging between max 47.7°F (8.7°C) and min 34.9°F (1.6°C). November signals a considerable drop in Clifton's average high-temperature, reducing from an enjoyable 62.1°F (16.7°C) in October to a chilly 47.7°F (8.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Clifton, Illinois, with temperature in the range of an average low of 26.1°F (-3.3°C) and an average high of 36.5°F (2.5°C). December ushers in a slight temperature change, with average high-temperatures reducing from November's chilly 47.7°F (8.7°C) to an icy 36.5°F (2.5°C). Weather in December »
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year in Clifton?

January, characterized by an average high temperature of 30.2°F (-1°C) and a low temperature of 18.5°F (-7.5°C), is generally the coldest month.

What is the driest month in Clifton?

January, February and December are months with the least rain in Clifton when the rain falls for 5.6 days and typically aggregates up to 1.06" (27mm) of rain.

How many days does it rain in Clifton?

In Clifton, Illinois, during the entire year, the rain falls for 138.7 days and collects up to 21.77" (553mm) of precipitation.

When does it snow in Clifton?

Months with snowfall are January through April, October through December.

How many days does it snow in Clifton?

In Clifton, Illinois, during the entire year, snow falls for 35.3 days and aggregates up to 9.37" (238mm) of snow.

What is the month with the least sunshine in Clifton?

The month with the least sunshine in Clifton is January, with an average of 3.7h of sunshine.

What is the snowiest month in Clifton?

The month with the most snowfall in Clifton, Illinois, is February, when snow falls for 8 days and typically aggregates up to 2.48" (63mm) of snow.

When is Daylight Saving Time (DST) in Clifton?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Clifton, Illinois, 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 Clifton?

May is the month with the most rainfall. Rain falls for 17.3 days and accumulates 3.19" (81mm) of precipitation.

When it does not snow in Clifton?

May through September are months without snowfall in Clifton, Illinois.

When are the longest days in Clifton?

With an average of 15h and 6min of daylight, June has the longest days of the year.

What month has the most sunshine in Clifton?

June has the most sunshine of the year, with an average of 9.7h of sunshine.

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

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

What is the warmest month in Clifton?

July, marked by an average high-temperature of 81.1°F (27.3°C) and a low-temperature of 64.4°F (18°C), is the warmest month in Clifton, Illinois.

What is the most humid month in Clifton?

The most humid month in Clifton, Illinois, is July, with an average relative humidity of 85%.

What is the least humid month in Clifton?

The least humid month is October, with an average relative humidity of 71%.

What is the month with the shortest days in Clifton?

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

When is the lowest UV index in Clifton?

December is the month with the lowest UV index, with an average maximum UV index of 1.

Average temperature
Clifton, IL

Average temperature - Clifton, IL

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.2°F).

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (18.5°F).

Average pressure
Clifton, IL

Average pressure - Clifton, IL

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed
Clifton, IL

Average wind speed - Clifton, IL

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).

Average humidity
Clifton, IL

Average humidity - Clifton, IL

The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).

Average rainfall
Clifton, IL

Average rainfall - Clifton, IL

The wettest month (with the highest rainfall) is May (3.19").
The driest months (with the least rainfall) are January, February and December (1.06").

Average rainfall days
Clifton, IL

Average rainfall days - Clifton, IL

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is February (5.1 days).

Average snowfall
Clifton, IL

Average snowfall - Clifton, IL

The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days
Clifton, IL

Average snowfall days - Clifton, IL

The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight / Average sunshine
Clifton, IL

Average daylight / Average sunshine - Clifton, 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 month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days
Clifton, IL

Average sunshine days - Clifton, IL

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).

Average visibility
Clifton, IL

Average visibility - Clifton, 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).

Clifton, Illinois, USA

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