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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, in Downs, Illinois, is another subzero cold winter month, with temperature in the range of an average low of 19.6°F (-6.9°C) and an average high of 31.3°F (-0.4°C). Downs's January weather reaches an average high of 31.3°F (-0.4°C) and an average low of 19.6°F (-6.9°C), making it the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Downs, is a cold month, with temperature in the range of an average high of 35.8°F (2.1°C) and an average low of 23°F (-5°C). Downs transitions into February recording an average high-temperature of a wintry 35.8°F (2.1°C), closely aligning with the preceding month's temperature. Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Downs, Illinois, with an average temperature fluctuating between 34.3°F (1.3°C) and 49.1°F (9.5°C). Downs sees an increase in the average high-temperature with the arrival of March, moving from February's icy 35.8°F (2.1°C) to a chilly 49.1°F (9.5°C). Weather in March »
Weather in April
April in Downs, Illinois, is a comfortable spring month, with an average temperature ranging between max 61.2°F (16.2°C) and min 44.8°F (7.1°C). April sees a temperature increase, moving from a frosty 49.1°F (9.5°C) in March to a refreshing 61.2°F (16.2°C). Weather in April »
Weather in May
The last month of the spring, May, is an agreeable month in Downs, Illinois, with an average temperature fluctuating between 55.6°F (13.1°C) and 72°F (22.2°C). The onset of May marks an increase in the average high-temperature, moving from an enjoyable 61.2°F (16.2°C) in April to an agreeable 72°F (22.2°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Downs, Illinois, with an average temperature ranging between max 79.7°F (26.5°C) and min 63.5°F (17.5°C). Downs's transition into June is noticed by a slight rise in the average high-temperature, advancing from a pleasant 72°F (22.2°C) in May to a warm 79.7°F (26.5°C). Weather in June »
Weather in July
July, like June, in Downs, Illinois, is a moderately hot summer month, with temperature in the range of an average low of 64.9°F (18.3°C) and an average high of 80.8°F (27.1°C). In Downs, the average temperatures in July are the highest, with a peak at 80.8°F (27.1°C) and a low of 64.9°F (18.3°C). The average heat index in July is calculated to be a hot 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Downs, Illinois, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 63.1°F (17.3°C). Downs's shift into August sets the average high-temperature at a still warm 79.9°F (26.6°C), a figure that deviates only slightly from July's 80.8°F (27.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Downs, is also a moderately hot month, with an average temperature varying between 75.9°F (24.4°C) and 57.9°F (14.4°C). The arrival of September coincides with an average high-temperature of a still warm 75.9°F (24.4°C), indicating a minimal shift from August's 79.9°F (26.6°C). Weather in September »
Weather in October
October, like September, in Downs, Illinois, is another comfortable autumn month, with an average temperature fluctuating between 62.2°F (16.8°C) and 46.8°F (8.2°C). A change in temperatures is noted as September gives way to October, with average highs reducing from a warm 75.9°F (24.4°C) to a comfortable 62.2°F (16.8°C). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Downs, Illinois, with an average temperature ranging between max 48°F (8.9°C) and min 34.9°F (1.6°C). The shift from October to November corresponds with a decrease in the average high-temperature, down to a chilly 48°F (8.9°C) from a refreshing 62.2°F (16.8°C). Weather in November »
Weather in December
The first month of the winter, December, is also an icy month in Downs, Illinois, with an average temperature varying between 26.6°F (-3°C) and 36.9°F (2.7°C). December weather is marked by a drop in the average high-temperature, falling from a chilly 48°F (8.9°C) in November to a cold 36.9°F (2.7°C). Weather in December »
[Resources]Frequently asked questions
What are the coldest months in Downs?
January tends to be the coldest month in Downs, Illinois, with temperatures averaging a daily high of 31.3°F (-0.4°C) and a low of 19.6°F (-6.9°C).
How many days does it rain in Downs?
In Downs, during the entire year, the rain falls for 139 days and collects up to 20.83" (529mm) of precipitation.
When does it snow in Downs?
January through April, November and December are months with snowfall.
When does it snow the most in Downs?
January is the month with the most snowfall. Snow falls for 9.8 days and accumulates 2.8" (71mm) of snow.
How much does it snow in Downs?
Throughout the year, there are 28.1 snowfall days, and 9.17" (233mm) of snow is accumulated.
What is the month with the least sunshine in Downs?
With an average of 3.9h of sunshine, January has the least sunshine of the year.
What is the month with the lowest UV index in Downs?
The months with the lowest UV index in Downs, Illinois, are January, February, November and December, with an average maximum UV index of 2.
When is Daylight Saving Time (DST) in Downs?
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 rainiest month in Downs?
The month with the most rainfall in Downs is May, when the rain falls for 17.5 days and typically aggregates up to 2.87" (73mm) of precipitation.
When it does not snow in Downs?
In Downs, snow does not fall in May through October.
When are the longest days in Downs?
June has the longest days of the year, with an average of 15h and 0min of daylight.
What month has the most sunshine in Downs?
The month with the most sunshine is June, with an average of 10.1h of sunshine.
When is the highest UV index in Downs?
June and July, with an average maximum UV index of 6, are months with the highest UV index in Downs, Illinois.
What is the warmest month in Downs?
In Downs, temperatures reach their average annual highs in July, measuring 80.8°F (27.1°C) and a minimum average of 64.9°F (18.3°C).
What is the most humid month in Downs?
With an average relative humidity of 85%, July is the most humid month.
What is the least humid month in Downs?
October is the least humid month, with an average relative humidity of 71%.
What is the driest month in Downs?
December is the month with the least rainfall. Rain falls for 7.5 days and accumulates 1.1" (28mm) of precipitation.
What is the month with the shortest days in Downs?
The month with the shortest days in Downs is December, with an average of 9h and 18min of daylight.
Average temperature
Downs, IL
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (31.3°F).
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (19.6°F).
Average pressure
Downs, IL
- Average pressure in January:
30.14"Hg - Average pressure in February:
30.11"Hg - Average pressure in March:
30.08"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:
30.03"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Downs, IL
- Average wind speed in January:
11mph - Average wind speed in February:
10.9mph - Average wind speed in March:
10.5mph - Average wind speed in April:
10.8mph - Average wind speed in May:
9.1mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
6.5mph - Average wind speed in September:
7.6mph - Average wind speed in October:
9.8mph - Average wind speed in November:
10.4mph - Average wind speed in December:
10.4mph
The windiest month (with the highest average wind speed) is January (11mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity
Downs, IL
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Downs, IL
- Average rainfall in January:
1.18" - Average rainfall in February:
1.14" - Average rainfall in March:
1.57" - Average rainfall in April:
2.32" - Average rainfall in May:
2.87" - Average rainfall in June:
2.4"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is December (1.1").
Average rainfall days
Downs, IL
- Average rainfall days in January:
5.8 days - Average rainfall days in February:
5.9 days - Average rainfall days in March:
11.9 days - Average rainfall days in April:
13.9 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
15.5 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
13.7 days - Average rainfall days in September:
11.6 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
8.7 days - Average rainfall days in December:
7.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (5.8 days).
Average snowfall
Downs, IL
The month with the highest snowfall is January (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Downs, IL
- Average snowfall days in January:
9.8 days - Average snowfall days in February:
6.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.6 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:
1.7 days - Average snowfall days in December:
5.9 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Downs, 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 2min - Average daylight in June:
15h and 0min
- 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:
9h and 5min - Average daylight in December:
9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January:
3h and 5min - Average sunshine in February:
4h and 1min - Average sunshine in March:
6h and 2min - Average sunshine in April:
7h and 5min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 1min
- Average sunshine in July:
9h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 2min - Average sunshine in December:
4h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days
Downs, IL
- Average sunshine days in January:
16.6 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
13.8 days - Average sunshine days in May:
10.6 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
13.9 days - Average sunshine days in September:
16.5 days - Average sunshine days in October:
18.7 days - Average sunshine days in November:
19.6 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.3 days).
Average UV index
Downs, IL
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Downs, IL
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility
Downs, 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).
Downs, Illinois, USA
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