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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, the same as December, is another cold winter month in Roodhouse, Illinois, with an average temperature fluctuating between 21.9°F (-5.6°C) and 34.3°F (1.3°C). Roodhouse's January weather reaches an average high of 34.3°F (1.3°C) and an average low of 21.9°F (-5.6°C), making it the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Roodhouse, is also a wintry month, with an average temperature ranging between min 25.3°F (-3.7°C) and max 39.4°F (4.1°C). The onset of February notes an average high-temperature of a still wintry 39.4°F (4.1°C), subtly shifted from January's 34.3°F (1.3°C). Weather in February »
Weather in March
March, the first month of the spring in Roodhouse, is a cool month, with an average temperature fluctuating between 52.2°F (11.2°C) and 36.1°F (2.3°C). March's onset witnesses a shift in the average high-temperature, moving from an icy 39.4°F (4.1°C) in February to a fresh 52.2°F (11.2°C). Weather in March »
Weather in April
April in Roodhouse, Illinois, is a refreshing spring month, with an average temperature varying between 46.2°F (7.9°C) and 63.7°F (17.6°C). The rise of average high-temperatures is seen in April, with an increase from a cool 52.2°F (11.2°C) in March to an enjoyable 63.7°F (17.6°C). Weather in April »
Weather in May
May, the last month of the spring in Roodhouse, is an agreeable month, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 56.1°F (13.4°C). May's arrival sees a rise in the average high-temperature, jumping from April's comfortable 63.7°F (17.6°C) to an agreeable 73.2°F (22.9°C). Weather in May »
Weather in June
June, the first month of the summer in Roodhouse, is a warm month, with temperature in the range of an average high of 82°F (27.8°C) and an average low of 64.6°F (18.1°C). Roodhouse perceives a slight temperature ascent during June, with average high-temperatures adjusting from a pleasant 73.2°F (22.9°C) in May to a moderately hot 82°F (27.8°C). Weather in June »
Weather in July
July, like June, in Roodhouse, Illinois, is another warm summer month, with temperature in the range of an average high of 84.2°F (29°C) and an average low of 67.1°F (19.5°C). July, marked by an average high-temperature of 84.2°F (29°C) and a low-temperature of 67.1°F (19.5°C), is the warmest month. In July, the average heat index is computed to be a torrid 95°F (35°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm month in Roodhouse, Illinois, with an average temperature ranging between min 65.5°F (18.6°C) and max 83.5°F (28.6°C). August's advent presents an average high-temperature of a still warm 83.5°F (28.6°C), indicating a slight variation from the conditions of the previous month. Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Roodhouse, Illinois, with temperature in the range of an average low of 59.2°F (15.1°C) and an average high of 78.1°F (25.6°C). The onset of September brings a small shift in high-temperatures, falling from a moderately hot 83.5°F (28.6°C) in August to a still warm 78.1°F (25.6°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Roodhouse, Illinois, with an average temperature fluctuating between 47.8°F (8.8°C) and 64.4°F (18°C). October weather is marked by a drop in the average high-temperature, falling from a moderately hot 78.1°F (25.6°C) in September to a refreshing 64.4°F (18°C). Weather in October »
Weather in November
The last month of the autumn, November, is another cool month in Roodhouse, Illinois, with temperature in the range of an average high of 51.6°F (10.9°C) and an average low of 36.5°F (2.5°C). The shift to November brings a decrease in the average high-temperature, falling from a refreshing 64.4°F (18°C) in October to a fresh 51.6°F (10.9°C). Weather in November »
Weather in December
December, the first month of the winter in Roodhouse, is also a wintry month, with temperature in the range of an average low of 28.4°F (-2°C) and an average high of 40.1°F (4.5°C). With the onset of December, Roodhouse experiences a modest temperature adjustment, with the average high-temperature receding from a cool 51.6°F (10.9°C) in November to an icy 40.1°F (4.5°C). Weather in December »
Updated: Feb 12, 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 in Roodhouse?
January is the coldest month in Roodhouse, Illinois, exhibiting average temperatures of 34.3°F (1.3°C) at the peak and 21.9°F (-5.6°C) at the base.
What is the driest month in Roodhouse?
January and November are months with the least rain in Roodhouse when the rain falls for 5.5 days and typically aggregates up to 0.83" (21mm) of rain.
How many days does it rain in Roodhouse?
In Roodhouse, during the entire year, the rain falls for 127.3 days and collects up to 17.24" (438mm) of precipitation.
When does it snow in Roodhouse?
Months with snowfall in Roodhouse are January through April, November and December.
How much does it snow in Roodhouse?
Throughout the year, there are 22.5 snowfall days, and 5.08" (129mm) of snow is accumulated.
What is the month with the least sunshine in Roodhouse?
January has the least sunshine of the year, with an average of 4.4h of sunshine.
What are the months with the lowest UV index in Roodhouse?
The months with the lowest UV index in Roodhouse, Illinois, are January, February, November and December, with an average maximum UV index of 2.
When does it snow the most in Roodhouse?
February is the month with the most snowfall. Snow falls for 6.4 days and accumulates 1.69" (43mm) of snow.
When is Daylight Saving Time (DST) in Roodhouse?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Roodhouse, 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.
When it does not snow in Roodhouse?
In Roodhouse, snow does not fall in May through October.
What is the wettest month in Roodhouse?
June is the month with the most rainfall. Rain falls for 13.6 days and accumulates 2.44" (62mm) of precipitation.
When are the longest days in Roodhouse?
With an average of 14h and 54min of daylight, June has the longest days of the year in Roodhouse.
What month has the most sunshine in Roodhouse?
The month with the most sunshine is June, with an average of 10.2h of sunshine.
When is the highest UV index in Roodhouse?
The months with the highest UV index in Roodhouse are June through August, with an average maximum UV index of 6.
What are the warmest months in Roodhouse?
The highest temperatures are recorded in July, with averages reaching a high of 84.2°F (29°C) and a low of 67.1°F (19.5°C).
What is the most humid month in Roodhouse?
July is the most humid month, with an average relative humidity of 81%.
What is the least humid month in Roodhouse?
With an average relative humidity of 71%, October is the least humid month in Roodhouse, Illinois.
What is the month with the shortest days in Roodhouse?
With an average of 9h and 24min of daylight, December has the shortest days of the year in Roodhouse, Illinois.
Average temperature
Roodhouse, IL
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (34.3°F).
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure
Roodhouse, IL
- Average pressure in January:
30.15"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.97"Hg - Average pressure in August:
29.97"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 (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Roodhouse, IL
- Average wind speed in January:
9.8mph - Average wind speed in February:
9.8mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.8mph - Average wind speed in May:
7.9mph - Average wind speed in June:
6.9mph
- Average wind speed in July:
5.9mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.5mph - Average wind speed in November:
9.3mph - Average wind speed in December:
9.3mph
The windiest months (with the highest average wind speed) are January, February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity
Roodhouse, IL
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Roodhouse, IL
- Average rainfall in January:
0.83" - Average rainfall in February:
0.87" - Average rainfall in March:
1.26" - Average rainfall in April:
1.89" - Average rainfall in May:
2.05" - Average rainfall in June:
2.44"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.85" - Average rainfall in September:
1.34" - Average rainfall in October:
1.34" - Average rainfall in November:
0.83" - Average rainfall in December:
0.91"
The wettest month (with the highest rainfall) is June (2.44").
The driest months (with the least rainfall) are January and November (0.83").
Average rainfall days
Roodhouse, IL
- Average rainfall days in January:
5.5 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
11.7 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
15.8 days - Average rainfall days in June:
13.6 days
- Average rainfall days in July:
14.8 days - Average rainfall days in August:
12.2 days - Average rainfall days in September:
11 days - Average rainfall days in October:
10 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
6.7 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (5.5 days).
Average snowfall
Roodhouse, IL
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Roodhouse, IL
- Average snowfall days in January:
7.2 days - Average snowfall days in February:
6.4 days - Average snowfall days in March:
2.8 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:
1.5 days - Average snowfall days in December:
4.2 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Roodhouse, IL
- Average daylight in January:
9h and 5min - 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 4min - 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 0min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January:
4h and 2min - Average sunshine in February:
4h and 3min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 2min - Average sunshine in October:
5h and 5min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days
Roodhouse, IL
- Average sunshine days in January:
19.9 days - Average sunshine days in February:
16.3 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
12.5 days - Average sunshine days in June:
12.8 days
- Average sunshine days in July:
12.3 days - Average sunshine days in August:
15.2 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
20.2 days - Average sunshine days in November:
20.5 days - Average sunshine days in December:
20.6 days
The month with the most sunshine days is December (20.6 days).
The month with the least sunshine days is July (12.3 days).
Average UV index
Roodhouse, IL
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Roodhouse, IL
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility
Roodhouse, 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).
Roodhouse, Illinois, USA
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