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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, in Dupo, Illinois, is a wintry winter month, with an average temperature varying between 24.6°F (-4.1°C) and 37.8°F (3.2°C). January, noted for its average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 24.6°F (-4.1°C), is considered the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Dupo, Illinois, with an average temperature ranging between min 27.9°F (-2.3°C) and max 42.4°F (5.8°C). Dupo greets February with an average high-temperature of a still wintry 42.4°F (5.8°C), marking a slight deviation from the preceding month. Weather in February »
Weather in March
March, the first month of the spring in Dupo, is a cool month, with an average temperature varying between 37.9°F (3.3°C) and 54.5°F (12.5°C). Dupo's weather shows a temperature rise with the arrival of March, moving from an icy 42.4°F (5.8°C) in February to a cool 54.5°F (12.5°C). Weather in March »
Weather in April
April is a comfortable spring month in Dupo, Illinois, with temperature in the range of an average high of 65.5°F (18.6°C) and an average low of 48°F (8.9°C). As Dupo transitions into April, the average high-temperature is observed to rise from a cool 54.5°F (12.5°C) in March to a comfortable 65.5°F (18.6°C). Weather in April »
Weather in May
May, the last month of the spring in Dupo, is a moderately hot month, with an average temperature fluctuating between 57.7°F (14.3°C) and 74.8°F (23.8°C). May's arrival coincides with a rise in the average high-temperature, moving from April's enjoyable 65.5°F (18.6°C) to a warm 74.8°F (23.8°C). Weather in May »
Weather in June
June, the first month of the summer in Dupo, is still a warm month, with an average temperature varying between 83.8°F (28.8°C) and 66.9°F (19.4°C). As May transitions into June, Dupo sees a rise in the average high-temperature, moving from a moderately hot 74.8°F (23.8°C) to a still warm 83.8°F (28.8°C). Weather in June »
Weather in July
July in Dupo, Illinois, is a tropical summer month, with an average temperature ranging between min 68.5°F (20.3°C) and max 86.4°F (30.2°C). Dupo's temperatures tend to reach their peak averages in July, with a high of 86.4°F (30.2°C) and a low of 68.5°F (20.3°C). During July, the heat index is appraised at a sweltering 100.4°F (38°C). Weather in July »
Weather in August
August, the last month of the summer in Dupo, is also a moderately hot month, with an average temperature ranging between max 84.9°F (29.4°C) and min 66.7°F (19.3°C). Dupo, Illinois, ushers in August with an average high-temperature of a warm 84.9°F (29.4°C), showing a close resemblance to the previous month. Weather in August »
Weather in September
September, the first month of the autumn in Dupo, is still a warm month, with an average temperature fluctuating between 60.1°F (15.6°C) and 79.3°F (26.3°C). With the onset of September, Dupo's climate undergoes a slight change as the average high-temperature moves from 84.9°F (29.4°C) in August to a still warm 79.3°F (26.3°C). Weather in September »
Weather in October
October, like September, in Dupo, Illinois, is another refreshing autumn month, with an average temperature ranging between max 66.6°F (19.2°C) and min 49.1°F (9.5°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a warm 79.3°F (26.3°C) to a refreshing 66.6°F (19.2°C). Weather in October »
Weather in November
November, the last month of the autumn in Dupo, is another cool month, with an average temperature varying between 53.2°F (11.8°C) and 37.9°F (3.3°C). Dupo's progression into November includes a drop in the average high-temperature, from a comfortable 66.6°F (19.2°C) in October to a fresh 53.2°F (11.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also a frosty month in Dupo, Illinois, with an average temperature fluctuating between 42.8°F (6°C) and 30.6°F (-0.8°C). The average high-temperature decreases in December, shifting from a cool 53.2°F (11.8°C) in November to a chilly 42.8°F (6°C). Weather in December »
Updated: Jun 16, 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 are the coldest months?
The coldest time of the year is January, with temperatures averaging a high of 37.8°F (3.2°C) and a low of 24.6°F (-4.1°C).
How much does it rain?
In Dupo, Illinois, during the entire year, the rain falls for 152.3 days and collects up to 36.46" (926mm) of precipitation.
When does it snow?
January through March, November and December are months with snowfall.
How much does it snow?
Throughout the year, there are 20.2 snowfall days, and 7.44" (189mm) of snow is accumulated.
What is the month with the least sunshine?
With an average of 4.6h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index?
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the driest month?
The month with the least rainfall is February, when the rain falls for 7.8 days and typically collects 2.01" (51mm) of precipitation.
When does it snow the most?
February is the month with the most snowfall. Snow falls for 5.8 days and accumulates 2.44" (62mm) 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.
When it does not snow in Dupo?
In Dupo, snow does not fall in April through October.
What is the most humid month?
The months with the highest humidity are May and July, with an average relative humidity of 78%.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 17.4 days and typically aggregates up to 4.53" (115mm) of precipitation.
What are the months with the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What is the month with the most sunshine?
The months with the most sunshine are June and July, with an average of 10.4h of sunshine.
What month is the hottest?
July is the warmest month, with an average high-temperature of 86.4°F (30.2°C) and an average low-temperature of 68.5°F (20.3°C).
What is the least humid month?
With an average relative humidity of 71%, October is the least humid month.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 9h and 30min of daylight.
Average temperature
Dupo, IL
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure
Dupo, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.94"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:
30.02"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Dupo, IL
- Average wind speed in January:
9.3mph - Average wind speed in February:
9.2mph - Average wind speed in March:
9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.5mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6.1mph - Average wind speed in October:
7.8mph - Average wind speed in November:
8.4mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is January (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity
Dupo, IL
The months with the highest relative humidity are May and July (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Dupo, IL
- Average rainfall in January:
2.36" - Average rainfall in February:
2.01" - Average rainfall in March:
2.72" - Average rainfall in April:
4.09" - Average rainfall in May:
4.53" - Average rainfall in June:
4.02"
- Average rainfall in July:
3.43" - Average rainfall in August:
3.62" - Average rainfall in September:
2.28" - Average rainfall in October:
2.91" - Average rainfall in November:
2.09" - Average rainfall in December:
2.4"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days
Dupo, IL
- Average rainfall days in January:
7.7 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
14.4 days - Average rainfall days in April:
15.7 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
14.4 days - Average rainfall days in September:
12.7 days - Average rainfall days in October:
11 days - Average rainfall days in November:
9.6 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (7.7 days).
Average snowfall
Dupo, IL
The month with the highest snowfall is February (2.44").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Dupo, IL
- Average snowfall days in January:
6.4 days - Average snowfall days in February:
5.8 days - Average snowfall days in March:
2.4 days - Average snowfall days in April:
0.3 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:
0.1 days - Average snowfall days in November:
1.2 days - Average snowfall days in December:
4 days
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).
Average daylight / Average sunshine
Dupo, IL
- Average daylight in January:
9h and 5min - Average daylight in February:
10h and 5min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 1min - Average daylight in May:
14h and 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - Average daylight in August:
13h and 4min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 1min - Average daylight in November:
10h and 1min - Average daylight in December:
9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 3min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 1min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Dupo, IL
- Average sunshine days in January:
18.1 days - Average sunshine days in February:
14.6 days - Average sunshine days in March:
13.2 days - Average sunshine days in April:
12.4 days - Average sunshine days in May:
10.7 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
11.4 days - Average sunshine days in August:
14.3 days - Average sunshine days in September:
15.4 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
18.5 days - Average sunshine days in December:
18.4 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (10.7 days).
Average UV index
Dupo, IL
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover
Dupo, IL
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility
Dupo, 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).
Dupo, Illinois, USA
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