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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, like December, in West Vienna, Illinois, is another cold winter month, with temperature in the range of an average high of 40.1°F (4.5°C) and an average low of 27°F (-2.8°C). January, characterized by an average high temperature of 40.1°F (4.5°C) and a low temperature of 27°F (-2.8°C), is generally the coldest month. Weather in January »
Weather in February
The last month of the winter, February, is a frosty month in West Vienna, Illinois, with an average temperature varying between 30.7°F (-0.7°C) and 45.1°F (7.3°C). In February, West Vienna's weather conditions record an average high-temperature of a frosty 45.1°F (7.3°C), demonstrating little divergence from the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is a refreshing month in West Vienna, Illinois, with temperature in the range of an average high of 55.8°F (13.2°C) and an average low of 39.7°F (4.3°C). In March, the meteorological conditions change with the average high-temperature moving from a chilly 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 West Vienna, Illinois, is a comfortable spring month, with an average temperature varying between 48.9°F (9.4°C) and 66.6°F (19.2°C). West Vienna's weather in April shows a rise in the average high-temperature, moving up from March's refreshing 55.8°F (13.2°C) to an enjoyable 66.6°F (19.2°C). Weather in April »
Weather in May
The last month of the spring, May, is a moderately hot month in West Vienna, Illinois, with an average temperature fluctuating between 57.9°F (14.4°C) and 75.7°F (24.3°C). The onset of May brings a rise in the average high-temperature, elevating from a comfortable 66.6°F (19.2°C) in April to a moderately hot 75.7°F (24.3°C). Weather in May »
Weather in June
June, the first month of the summer in West Vienna, is also a moderately hot month, with an average temperature varying between 66.2°F (19°C) and 85.6°F (29.8°C). The arrival of June signals an increase in the average high-temperature, moving from 75.7°F (24.3°C) in May to a still warm 85.6°F (29.8°C). Weather in June »
Weather in July
July is a tropical summer month in West Vienna, Illinois, with an average temperature ranging between max 88°F (31.1°C) and min 68.5°F (20.3°C). West Vienna's July weather, marked by an average high temperature of 88°F (31.1°C) and an average low temperature of 68.5°F (20.3°C), is the warmest in the year. In July, the heat index is computed to be a blisteringly hot 104°F (40°C). Weather in July »
Weather in August
August, the last month of the summer in West Vienna, is another tropical month, 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). On the advent of August, West Vienna's average high-temperature exhibits a minor adjustment to a still hot 86.5°F (30.3°C) from July's 88°F (31.1°C). Weather in August »
Weather in September
September, the first month of the autumn in West Vienna, is also a moderately hot month, with an average temperature ranging between min 60.6°F (15.9°C) and max 81.1°F (27.3°C). With the onset of September, West Vienna's average high-temperature slightly adjusts, moderately receding from August's hot 86.5°F (30.3°C) to a warm 81.1°F (27.3°C). Weather in September »
Weather in October
October, like September, in West Vienna, Illinois, is another enjoyable autumn month, with an average temperature fluctuating between 49.6°F (9.8°C) and 67.8°F (19.9°C). Stepping into October, West Vienna observes a temperature decline, with the average high falling from September's warm 81.1°F (27.3°C) to a comfortable 67.8°F (19.9°C). Weather in October »
Weather in November
November, the last month of the autumn in West Vienna, is also a fresh month, with an average temperature varying between 54.5°F (12.5°C) and 38.8°F (3.8°C). November brings a drop in West Vienna's average high-temperature, falling from an enjoyable 67.8°F (19.9°C) in October to a fresh 54.5°F (12.5°C). Weather in November »
Weather in December
December, the first month of the winter in West Vienna, is also a frosty month, with an average temperature ranging between max 44.8°F (7.1°C) and min 32.7°F (0.4°C). December's onset brings a reduction in the average high-temperature, from a cool 54.5°F (12.5°C) in November to a frosty 44.8°F (7.1°C). Weather in December »
[Resources]Frequently asked questions
What is the coldest month in West Vienna?
With average temperatures fluctuating between a high of 40.1°F (4.5°C) and a low of 27°F (-2.8°C), January stands out as the coldest month.
How many days does it rain in West Vienna?
In West Vienna, during the entire year, the rain falls for 118.3 days and collects up to 13.03" (331mm) of precipitation.
When does it snow in West Vienna?
Months with snowfall are January through March, November and December.
How many days does it snow in West Vienna?
Throughout the year, there are 11 snowfall days, and 1.57" (40mm) of snow is accumulated.
What is the month with the least sunshine in West Vienna?
The months with the least sunshine are January and February, with an average of 4.6h of sunshine.
When is the lowest UV index in West Vienna?
The months with the lowest UV index in West Vienna, Illinois, are January, February and December, with an average maximum UV index of 2.
What is the snowiest month in West 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 West Vienna?
March and May, with an average relative humidity of 79%, are most humid months in West Vienna.
When is Daylight Saving Time (DST) in West 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 West Vienna?
In West Vienna, snow does not fall in April through October.
What is the month with the highest UV index in West Vienna?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
What is the rainiest month in West Vienna?
June is the month with the most rainfall in West Vienna. Rain falls for 12.5 days and accumulates 1.5" (38mm) of precipitation.
When are the longest days in West Vienna?
June has the longest days of the year in West Vienna, Illinois, with an average of 14h and 42min of daylight.
What are the months with the most sunshine in West Vienna?
June and July, with an average of 10.4h of sunshine, are months with the most sunshine.
What month is the hottest in West Vienna?
In West Vienna, July is the month with the highest recorded average temperatures, measuring a high of 88°F (31.1°C) and a low of 68.5°F (20.3°C).
What is the driest month in West Vienna?
September is the month with the least rainfall in West Vienna. Rain falls for 8.3 days and accumulates 0.47" (12mm) of precipitation.
What is the least humid month in West Vienna?
With an average relative humidity of 71%, October is the least humid month in West Vienna, Illinois.
What is the month with the shortest days in West Vienna?
December has the shortest days of the year in West Vienna, with an average of 9h and 36min of daylight.
Average temperature
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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
West 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).
West Vienna, Illinois, USA
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