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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 a freezing cold winter month in Clifton, Illinois, with an average temperature ranging between max 30.2°F (-1°C) and min 18.5°F (-7.5°C). January, marked by an average high-temperature of 30.2°F (-1°C) and a low-temperature of 18.5°F (-7.5°C), is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Clifton, is a cold month, with an average temperature ranging between max 34.7°F (1.5°C) and min 21.6°F (-5.8°C). February's climate shows a minor adjustment in average high-temperatures to a cold 34.7°F (1.5°C) from January's 30.2°F (-1°C). Weather in February »
Weather in March
March, the first month of the spring in Clifton, is a chilly month, with temperature in the range of an average low of 33.4°F (0.8°C) and an average high of 47.5°F (8.6°C). With the arrival of March, the average high-temperature transitions from a wintry 34.7°F (1.5°C) in February to a chilly 47.5°F (8.6°C). Weather in March »
Weather in April
April is a refreshing spring month in Clifton, Illinois, with an average temperature varying between 43.5°F (6.4°C) and 59.5°F (15.3°C). April's onset brings a temperature rise, moving from a chilly 47.5°F (8.6°C) in March 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 varying between 71.2°F (21.8°C) and 54.5°F (12.5°C). In May, the average high-temperature increases from a refreshing 59.5°F (15.3°C) in April to an agreeable 71.2°F (21.8°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Clifton, Illinois, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 62.6°F (17°C). Clifton in June denotes a subtle temperature transition, adjusting from an average high of an agreeable 71.2°F (21.8°C) in May to a moderately hot 79.3°F (26.3°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Clifton, Illinois, with an average temperature ranging between max 81.1°F (27.3°C) and min 64.4°F (18°C). July is the warmest month of the year, registering average temperatures as high as 81.1°F (27.3°C) and as low as 64.4°F (18°C). During July, the heat index is estimated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Clifton, Illinois, with an average temperature ranging between min 62.4°F (16.9°C) and max 79.5°F (26.4°C). The arrival of August coincides with an average high-temperature of a still moderately hot 79.5°F (26.4°C), indicating a minimal shift from July's 81.1°F (27.3°C). Weather in August »
Weather in September
The first month of the autumn, September, is still a warm month in Clifton, Illinois, with temperature in the range of an average high of 75.2°F (24°C) and an average low of 57.2°F (14°C). Clifton observes an average high-temperature of a still warm 75.2°F (24°C) in September, barely different from 79.5°F (26.4°C) in August. Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Clifton, Illinois, with an average temperature varying between 46.8°F (8.2°C) and 62.1°F (16.7°C). Observing a mild shift, the average high-temperature during October reduces from September's warm 75.2°F (24°C) to an enjoyable 62.1°F (16.7°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Clifton, Illinois, with an average temperature varying between 34.9°F (1.6°C) and 47.7°F (8.7°C). With the transition into November, Clifton experiences a significant decrease in average high-temperatures, moving down from a refreshing 62.1°F (16.7°C) in October to a frosty 47.7°F (8.7°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Clifton, Illinois, with an average temperature ranging between max 36.5°F (2.5°C) and min 26.1°F (-3.3°C). December implies a gentle temperature shift, with average high-temperatures reducing from November's frosty 47.7°F (8.7°C) to an icy 36.5°F (2.5°C). Weather in December »
Updated: Aug 2, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
The coldest period is January, when temperatures fluctuate between an average high of 30.2°F (-1°C) and a low of 18.5°F (-7.5°C).
What is the driest month?
The months with the least rainfall are January, February and December Rain falls for 5.6 days and accumulates 1.06" (27mm) of rain.
How many days does it rain?
Throughout the year, there are 138.7 rainfall days, and 21.77" (553mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, October through December.
How many days does it snow?
Throughout the year, there are 35.3 snowfall days, and 9.37" (238mm) of snow is accumulated.
What is the month with the least sunshine?
January has the least sunshine of the year, with an average of 3.7h of sunshine.
What is the snowiest month?
February is the month with the most snowfall. Snow falls for 8 days and accumulates 2.48" (63mm) of snow.
When is Daylight Saving Time (DST)?
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?
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?
May through September are months without snowfall in Clifton.
When are the longest days in Clifton?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 9.7h of sunshine.
What is the month with the highest UV index?
June and July, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
July is the month when Clifton's temperatures reach their peak, with averages of 81.1°F (27.3°C) and lows of 64.4°F (18°C).
What is the most humid month?
With an average relative humidity of 85%, July is the most humid month.
What is the least humid month?
The least humid month is October, with an average relative humidity of 71%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 18min of daylight.
When is the lowest UV index?
December is the month with the lowest UV index, with an average maximum UV index of 1.
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 in January:
30.13"Hg - Average pressure in February:
30.1"Hg - Average pressure in March:
30.08"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:
30.01"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.11"Hg
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 in January:
10.3mph - Average wind speed in February:
10.1mph - Average wind speed in March:
9.8mph - Average wind speed in April:
10.2mph - Average wind speed in May:
8.8mph - Average wind speed in June:
7.6mph
- Average wind speed in July:
6.3mph - Average wind speed in August:
6.2mph - Average wind speed in September:
7.3mph - Average wind speed in October:
9.1mph - Average wind speed in November:
9.8mph - Average wind speed in December:
9.7mph
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
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 in January:
1.06" - Average rainfall in February:
1.06" - Average rainfall in March:
1.61" - Average rainfall in April:
2.4" - Average rainfall in May:
3.19" - Average rainfall in June:
2.48"
- Average rainfall in July:
2.36" - Average rainfall in August:
2.13" - Average rainfall in September:
1.38" - Average rainfall in October:
1.81" - Average rainfall in November:
1.22" - Average rainfall in December:
1.06"
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 in January:
5.6 days - Average rainfall days in February:
5.1 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
13.7 days - Average rainfall days in May:
17.3 days - Average rainfall days in June:
16.8 days
- Average rainfall days in July:
17.2 days - Average rainfall days in August:
14.8 days - Average rainfall days in September:
11.9 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
6.8 days
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
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 in January:
10.8 days - Average snowfall days in February:
8 days - Average snowfall days in March:
4.6 days - Average snowfall days in April:
1.3 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:
0.4 days - Average snowfall days in November:
2.5 days - Average snowfall days in December:
7.7 days
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 in January:
9h and 4min - 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 3min - 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 2min
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).
- Average sunshine in January:
3h and 4min - Average sunshine in February:
4h and 0min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 4min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 4min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 4min - Average sunshine in September:
8h and 3min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 1min - Average sunshine in December:
4h and 2min
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 in January:
16.6 days - Average sunshine days in February:
15.1 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
11.6 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
12.1 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
17.3 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.7 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10 days).
Average UV index
Clifton, IL
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Clifton, IL
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 34).
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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