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 Downs, Illinois, with an average temperature ranging between max 31.3°F (-0.4°C) and min 19.6°F (-6.9°C). With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 19.6°F (-6.9°C), January is the coldest month. Weather in January »
Weather in February
February, the last month of the winter in Downs, is a cold month, with an average temperature ranging between max 35.8°F (2.1°C) and min 23°F (-5°C). In February, the average high-temperature is almost the same as in January - a cold 35.8°F (2.1°C). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Downs, Illinois, with an average temperature fluctuating between 34.3°F (1.3°C) and 49.1°F (9.5°C). In March, the average high-temperature increases from a wintry 35.8°F (2.1°C) in February 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 temperature in the range of an average low of 44.8°F (7.1°C) and an average high of 61.2°F (16.2°C). In Downs, Illinois, the average high-temperature in April increases from a chilly 49.1°F (9.5°C) in March to a comfortable 61.2°F (16.2°C). Weather in April »
Weather in May
May, the last month of the spring in Downs, is a pleasant month, with an average temperature ranging between min 55.6°F (13.1°C) and max 72°F (22.2°C). In May, the average high-temperature rises from an enjoyable 61.2°F (16.2°C) in April to a pleasant 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 fluctuating between 63.5°F (17.5°C) and 79.7°F (26.5°C). In Downs, Illinois, the average high-temperature in June slightly increases from a pleasant 72°F (22.2°C) in May to a moderately hot 79.7°F (26.5°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Downs, Illinois, with an average temperature fluctuating between 64.9°F (18.3°C) and 80.8°F (27.1°C). The warmest month is July, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 64.9°F (18.3°C). In July, the average heat index is appraised at a tropical 86°F (30°C). Weather in July »
Weather in August
The last month of the summer, August, is another warm 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). In August, the average high-temperature is practically the same as in July - a still moderately hot 79.9°F (26.6°C). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Downs, Illinois, with temperature in the range of an average low of 57.9°F (14.4°C) and an average high of 75.9°F (24.4°C). In September, the average high-temperature is practically the same as in August - a still moderately hot 75.9°F (24.4°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Downs, Illinois, with an average temperature fluctuating between 46.8°F (8.2°C) and 62.2°F (16.8°C). In Downs, the average high-temperature in October drops from a moderately hot 75.9°F (24.4°C) in September to a comfortable 62.2°F (16.8°C). Weather in October »
Weather in November
November, the last month of the autumn in Downs, is also a frosty month, with an average temperature fluctuating between 48°F (8.9°C) and 34.9°F (1.6°C). In November, the average high-temperature drops from an enjoyable 62.2°F (16.8°C) in October to a frosty 48°F (8.9°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Downs, Illinois, with an average temperature ranging between min 26.6°F (-3°C) and max 36.9°F (2.7°C). In Downs, the average high-temperature in December drops from a chilly 48°F (8.9°C) in November to a cold 36.9°F (2.7°C). Weather in December »
[Resources]FAQ
What is the coldest month in Downs?
With an average high-temperature of 31.3°F (-0.4°C) and an average low-temperature of 19.6°F (-6.9°C), January is the coldest month in Downs.
How many days does it rain in Downs?
Throughout the year, there are 139 rainfall days, and 20.83" (529mm) of precipitation is accumulated.
When does it snow in Downs?
January through April, November and December are months with snowfall in Downs.
When does it snow the most in Downs?
The month with the most snowfall in Downs is January, when snow falls for 9.8 days and typically aggregates up to 2.8" (71mm) of snow.
How much does it snow in Downs?
Throughout the year, in Downs, Illinois, there are 28.1 snowfall days, and 9.17" (233mm) of snow is accumulated.
What is the month with the least sunshine in Downs?
The month with the least sunshine is January, with an average of 3.9h of sunshine.
What is the month with the lowest UV index in Downs?
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
When is Daylight Saving Time (DST) in Downs?
On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from CDT to CST.
What is the wettest month in Downs?
The month with the most rainfall in Downs, Illinois, 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?
May through October are months without snowfall in Downs.
When are the longest days in Downs?
With an average of 15h and 1min of daylight, June has the longest days of the year in Downs.
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?
The months with the highest UV index in Downs are June and July, with an average maximum UV index of 6.
What is the warmest month in Downs?
July is the warmest month in Downs, with an average high-temperature of 80.8°F (27.1°C) and an average low-temperature of 64.9°F (18.3°C).
What is the most humid month in Downs?
The most humid month in Downs, Illinois, is July, with an average relative humidity of 85%.
What is the least humid month in Downs?
October is the least humid month in Downs, Illinois, 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?
With an average of 9h and 21min of daylight, December has the shortest days of the year.
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 41min - Average daylight in February:
10h and 41min - Average daylight in March:
11h and 59min - Average daylight in April:
13h and 19min - Average daylight in May:
14h and 26min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 43min - Average daylight in August:
13h and 43min - Average daylight in September:
12h and 27min - Average daylight in October:
11h and 7min - Average daylight in November:
9h and 57min - Average daylight in December:
9h and 21min
The month with the longest days is June (Average daylight: 15h and 1min).
The month with the shortest days is December (Average daylight: 9h and 21min).
- Average sunshine in January:
3h and 54min - Average sunshine in February:
4h and 6min - Average sunshine in March:
6h and 24min - Average sunshine in April:
7h and 54min - Average sunshine in May:
9h and 0min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 48min - Average sunshine in September:
9h and 0min - Average sunshine in October:
6h and 0min - Average sunshine in November:
5h and 18min - Average sunshine in December:
4h and 24min
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).
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