Climate and monthly weather forecastDu Bois, IL
Climate and monthly weather forecast
Weather in January
January, like December, in Du Bois, Illinois, is a wintry winter month, with an average temperature fluctuating between 25°F (-3.9°C) and 37.9°F (3.3°C). During the coldest month, January, temperatures average a high of 37.9°F (3.3°C) and a low of 25°F (-3.9°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Du Bois, Illinois, with an average temperature varying between 28.4°F (-2°C) and 42.4°F (5.8°C). With February's arrival, Du Bois's weather records an average high-temperature of a still icy 42.4°F (5.8°C), marking little difference from January's 37.9°F (3.3°C). Weather in February »Weather in March
The first month of the spring, March, is a cool month in Du Bois, Illinois, with an average temperature fluctuating between 38.3°F (3.5°C) and 54.1°F (12.3°C). The shift from February to March brings an increase in the average high-temperature, moving from an icy 42.4°F (5.8°C) to a cool 54.1°F (12.3°C). Weather in March »Weather in April
April is a comfortable spring month in Du Bois, Illinois, with an average temperature fluctuating between 65.1°F (18.4°C) and 47.8°F (8.8°C). The commencement of April sees a shift in the average high-temperature, moving from a cool 54.1°F (12.3°C) in March to a comfortable 65.1°F (18.4°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Du Bois, Illinois, with an average temperature ranging between max 74.8°F (23.8°C) and min 57.9°F (14.4°C). The rise of average high-temperatures is seen in May, with an increase from a refreshing 65.1°F (18.4°C) in April to a warm 74.8°F (23.8°C). Weather in May »Weather in June
June, the first month of the summer in Du Bois, is also a moderately hot month, with an average temperature ranging between min 66.4°F (19.1°C) and max 83.5°F (28.6°C). Du Bois's June weather indicates a minor increase in high-temperatures, edging from May's 74.8°F (23.8°C) to a still warm 83.5°F (28.6°C). Weather in June »Weather in July
July in Du Bois, Illinois, is a hot summer month, with temperature in the range of an average low of 68.4°F (20.2°C) and an average high of 86°F (30°C). July, with its average high-temperature of 86°F (30°C) and an average low-temperature of 68.4°F (20.2°C), holds the record as the warmest month. July's average heat index is evaluated at a fiery hot 98.6°F (37°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Du Bois, Illinois, with temperature in the range of an average high of 84.4°F (29.1°C) and an average low of 66°F (18.9°C). As August takes its course, Du Bois's average high-temperature registers at a moderately hot 84.4°F (29.1°C), closely aligning with the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Du Bois, is also a moderately hot month, with temperature in the range of an average high of 79.2°F (26.2°C) and an average low of 59.9°F (15.5°C). September's arrival brings an average high-temperature of a still warm 79.2°F (26.2°C), slightly deviating from August's 84.4°F (29.1°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Du Bois, Illinois, with an average temperature varying between 49.1°F (9.5°C) and 66.6°F (19.2°C). The average high-temperature decreases in October, shifting from a warm 79.2°F (26.2°C) in September to a comfortable 66.6°F (19.2°C). Weather in October »Weather in November
The last month of the autumn, November, is also a fresh month in Du Bois, Illinois, with an average temperature varying between 37.9°F (3.3°C) and 53.1°F (11.7°C). Du Bois's November weather comes with a decrease in average high-temperatures, moving from a refreshing 66.6°F (19.2°C) in October to a cool 53.1°F (11.7°C). Weather in November »Weather in December
December, the first month of the winter in Du Bois, is still a chilly month, with an average temperature fluctuating between 30.7°F (-0.7°C) and 42.8°F (6°C). The average high-temperature drops in December, from November's cool 53.1°F (11.7°C) to a chilly 42.8°F (6°C). Weather in December »Updated: Jun 26, 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
In Du Bois, January registers the lowest temperatures, averaging 37.9°F (3.3°C) at the peak and 25°F (-3.9°C) at the lowest.
Throughout the year, there are 166.8 rainfall days, and 37.83" (961mm) of precipitation is accumulated.
Months with snowfall in Du Bois are January through April, September, November and December.
The month with the most snowfall is January, when snow falls for 7.3 days and typically aggregates up to 2.4" (61mm) of snow.
Throughout the year, there are 23.2 snowfall days, and 7.87" (200mm) of snow is accumulated.
With an average of 4.6h of sunshine, January has the least sunshine of the year.
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
February is the month with the least rainfall. Rain falls for 9.9 days and accumulates 2.01" (51mm) of precipitation.
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 is April, when the rain falls for 16 days and typically aggregates up to 4.45" (113mm) of precipitation.
The most humid month is May, with an average relative humidity of 80%.
In Du Bois, snow does not fall in May through August and October.
The months with the highest UV index are May through August, with an average maximum UV index of 6.
The month with the longest days is June, with an average of 14h and 48min of daylight.
The month with the most sunshine is June, with an average of 10.5h of sunshine.
With an average high-temperature of 86°F (30°C) and an average low-temperature of 68.4°F (20.2°C), July is the warmest month in Du Bois.
The least humid month is October, with an average relative humidity of 71%.
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Du Bois, IL
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure
Du Bois, IL
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"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:
29.93"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:
30.04"Hg - Average pressure in November:
30.13"Hg - Average pressure in December:
30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Du Bois, IL
- Average wind speed in January:
9.7mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.5mph - Average wind speed in April:
9.3mph - Average wind speed in May:
7.8mph - Average wind speed in June:
6.8mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
8.1mph - Average wind speed in November:
8.8mph - Average wind speed in December:
8.9mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Du Bois, IL
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Du Bois, IL
- Average rainfall in January:
2.4" - Average rainfall in February:
2.01" - Average rainfall in March:
3.07" - Average rainfall in April:
4.45" - Average rainfall in May:
4.37" - Average rainfall in June:
4.37"
- Average rainfall in July:
3.7" - Average rainfall in August:
3.31" - Average rainfall in September:
2.09" - Average rainfall in October:
3.03" - Average rainfall in November:
2.48" - Average rainfall in December:
2.56"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is February (2.01").
Average rainfall days
Du Bois, IL
- Average rainfall days in January:
9.4 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
15.8 days - Average rainfall days in April:
16 days - Average rainfall days in May:
19.3 days - Average rainfall days in June:
17.1 days
- Average rainfall days in July:
18.1 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
14.1 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
10.8 days - Average rainfall days in December:
9.2 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.2 days).
Average snowfall
Du Bois, IL
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days
Du Bois, IL
- Average snowfall days in January:
7.3 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
2.5 days - Average snowfall days in April:
0.4 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:
0.1 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.5 days - Average snowfall days in December:
4.5 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight / Average sunshine
Du Bois, IL
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
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 36min).
- Average sunshine in January:
4h and 36min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 30min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 30min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 6min - Average sunshine in September:
9h and 18min - Average sunshine in October:
6h and 24min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days
Du Bois, IL
- Average sunshine days in January:
15.9 days - Average sunshine days in February:
13.2 days - Average sunshine days in March:
13.1 days - Average sunshine days in April:
11.3 days - Average sunshine days in May:
9.3 days - Average sunshine days in June:
10 days
- Average sunshine days in July:
10.3 days - Average sunshine days in August:
12 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
17.5 days - Average sunshine days in December:
17 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index
Du Bois, 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
Du Bois, IL
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 28).
Average visibility
Du Bois, 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).
