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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 Vienna, Illinois, with an average temperature varying between 27°F (-2.8°C) and 40.1°F (4.5°C). In Vienna, January records the lowest average temperatures, peaking at 40.1°F (4.5°C) and reaching a low of 27°F (-2.8°C). Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in Vienna, Illinois, with temperature in the range of an average high of 45.1°F (7.3°C) and an average low of 30.7°F (-0.7°C). Vienna, Illinois, experiences a transition to a chilly 45.1°F (7.3°C) in average high-temperatures with the arrival of February, not greatly differing from January's 40.1°F (4.5°C). Weather in February »
Weather in March
March, the first month of the spring in Vienna, is a moderate month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 55.8°F (13.2°C). March's onset brings a rise in the average high-temperature, moving from a frosty 45.1°F (7.3°C) in February to a refreshing 55.8°F (13.2°C). Weather in March »
Weather in April
April in Vienna, Illinois, is a comfortable spring month, with an average temperature fluctuating between 48.9°F (9.4°C) and 66.6°F (19.2°C). April's onset is marked by a temperature increase, moving from 55.8°F (13.2°C) in March to a still refreshing 66.6°F (19.2°C). Weather in April »
Weather in May
May, the last month of the spring in Vienna, is a moderately hot month, with an average temperature fluctuating between 57.9°F (14.4°C) and 75.7°F (24.3°C). May's arrival coincides with a rise in the average high-temperature, moving from April's comfortable 66.6°F (19.2°C) to a moderately hot 75.7°F (24.3°C). Weather in May »
Weather in June
June, the first month of the summer in Vienna, is still a warm month, with an average temperature varying between 66.2°F (19°C) and 85.6°F (29.8°C). June brings a rise in Vienna's average high-temperature, moving from a warm 75.7°F (24.3°C) in May to a still moderately hot 85.6°F (29.8°C). Weather in June »
Weather in July
July is a hot summer month in Vienna, Illinois, with temperature in the range of an average low of 68.5°F (20.3°C) and an average high of 88°F (31.1°C). Vienna experiences its highest average temperatures in July, reaching a peak of 88°F (31.1°C) and a minimum of 68.5°F (20.3°C). In July, the average heat index is calculated to be a scorching 104°F (40°C). Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Vienna, Illinois, with temperature in the range of an average low of 66.7°F (19.3°C) and an average high of 86.5°F (30.3°C). Vienna marks the onset of August with an average high-temperature of a still hot 86.5°F (30.3°C), a subtle shift from July's 88°F (31.1°C). Weather in August »
Weather in September
September, the first month of the autumn in Vienna, is still a warm month, with an average temperature varying between 60.6°F (15.9°C) and 81.1°F (27.3°C). September is characterized by a slight reduction in average high-temperature, easing from a tropical 86.5°F (30.3°C) in August to a warm 81.1°F (27.3°C). Weather in September »
Weather in October
October, the same as September, is another enjoyable autumn month in Vienna, Illinois, with an average temperature varying between 49.6°F (9.8°C) and 67.8°F (19.9°C). Transition into October marks a drop in the average high-temperature, moving from a moderately hot 81.1°F (27.3°C) in September to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
November, the last month of the autumn in Vienna, is also a fresh month, with an average temperature fluctuating between 54.5°F (12.5°C) and 38.8°F (3.8°C). In Vienna, the beginning of November is marked by a lowered average high-temperature, shifting from October's comfortable 67.8°F (19.9°C) to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in Vienna, is still a chilly month, with an average temperature varying between 44.8°F (7.1°C) and 32.7°F (0.4°C). December comes with a drop in the average high-temperature, falling from November's fresh 54.5°F (12.5°C) to a chilly 44.8°F (7.1°C). Weather in December »
[Resources]Frequently asked questions
What part of the year is the coldest in Vienna?
January, on average, is the coldest month, registering a high temperature of 40.1°F (4.5°C) and a low of 27°F (-2.8°C).
How much does it rain in Vienna?
Throughout the year, in Vienna, Illinois, there are 118.3 rainfall days, and 13.03" (331mm) of precipitation is accumulated.
When does it snow in Vienna?
Months with snowfall are January through March, November and December.
How much does it snow in Vienna?
In Vienna, during the entire year, snow falls for 11 days and aggregates up to 1.57" (40mm) of snow.
What are the months with the least sunshine in Vienna?
The months with the least sunshine are January and February, with an average of 4.6h of sunshine.
What is the month with the lowest UV index in Vienna?
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2.
When does it snow the most in Vienna?
The month with the most snowfall is February, when snow falls for 3.2 days and typically aggregates up to 0.67" (17mm) of snow.
What is the most humid month in Vienna?
The months with the highest humidity in Vienna are March and May, with an average relative humidity of 79%.
When is Daylight Saving Time (DST) in Vienna?
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 Vienna?
In Vienna, snow does not fall in April through October.
What are the months with the highest UV index in Vienna?
The months with the highest UV index are May through August, with an average maximum UV index of 6.
What is the wettest month in Vienna?
The month with the most rainfall in Vienna, Illinois, is June, when the rain falls for 12.5 days and typically aggregates up to 1.5" (38mm) of precipitation.
When are the longest days in Vienna?
With an average of 14h and 42min of daylight, June has the longest days of the year in Vienna, Illinois.
What is the month with the most sunshine in Vienna?
June and July, with an average of 10.4h of sunshine, are months with the most sunshine in Vienna.
What is the hottest time of year in Vienna?
Vienna experiences its average highest temperatures in July, reaching a peak of 88°F (31.1°C) and a minimum of 68.5°F (20.3°C).
What is the driest month in Vienna?
The month with the least rainfall in Vienna is September, when the rain falls for 8.3 days and typically collects 0.47" (12mm) of precipitation.
What is the least humid month in Vienna?
October is the least humid month in Vienna, Illinois, with an average relative humidity of 71%.
What is the month with the shortest days in Vienna?
With an average of 9h and 36min of daylight, December has the shortest days of the year.
Average temperature
Vienna, IL
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.1°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 (27°F).
Average pressure
Vienna, 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:
29.96"Hg - Average pressure in May:
29.97"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.98"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.05"Hg - Average pressure in November:
30.14"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 (29.94"Hg).
Average wind speed
Vienna, IL
- Average wind speed in January:
9mph - Average wind speed in February:
9mph - Average wind speed in March:
8.9mph - Average wind speed in April:
8.9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
6.3mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.7mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.6mph - Average wind speed in November:
8.2mph - Average wind speed in December:
8.5mph
The windiest months (with the highest average wind speed) are January and February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity
Vienna, IL
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall
Vienna, IL
- Average rainfall in January:
0.75" - Average rainfall in February:
1.14" - Average rainfall in March:
1.22" - Average rainfall in April:
1.22" - Average rainfall in May:
1.34" - Average rainfall in June:
1.5"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.3" - Average rainfall in September:
0.47" - Average rainfall in October:
0.98" - Average rainfall in November:
0.91" - Average rainfall in December:
0.79"
The wettest month (with the highest rainfall) is June (1.5").
The driest month (with the least rainfall) is September (0.47").
Average rainfall days
Vienna, IL
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
11.6 days - Average rainfall days in April:
11.3 days - Average rainfall days in May:
12.7 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
13.1 days - Average rainfall days in August:
11.9 days - Average rainfall days in September:
8.3 days - Average rainfall days in October:
7.5 days - Average rainfall days in November:
7.5 days - Average rainfall days in December:
7.3 days
The month with the highest number of rainy days is July (13.1 days).
The months with the least rainy days are January, February and December (7.3 days).
Average snowfall
Vienna, IL
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Vienna, IL
- Average snowfall days in January:
3.3 days - Average snowfall days in February:
3.2 days - Average snowfall days in March:
1.3 days - Average snowfall days in April:
0.2 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 days - Average snowfall days in December:
1.9 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight / Average sunshine
Vienna, 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 1min - Average daylight in June:
14h and 4min
- Average daylight in July:
14h and 2min - 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 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 4min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 1min - Average sunshine in April:
8h and 3min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 2min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 2min - Average sunshine in October:
6h and 3min - Average sunshine in November:
5h and 3min - Average sunshine in December:
4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days
Vienna, IL
- Average sunshine days in January:
21.4 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
16.7 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
14.8 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
19.1 days - Average sunshine days in October:
21.5 days - Average sunshine days in November:
20.8 days - Average sunshine days in December:
21.2 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (14.8 days).
Average UV index
Vienna, 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
Vienna, IL
The months with the most cloud cover are January and February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility
Vienna, 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).
Vienna, Illinois, USA
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