Climate and monthly weather forecastVienna, MO
Climate and monthly weather forecast
Weather in January
January, the same as December, is a wintry winter month in Vienna, Missouri, with an average temperature varying between 24.4°F (-4.2°C) and 39.2°F (4°C). Vienna's temperature records reveal January as the coldest month, marked by average highs of 39.2°F (4°C) and lows of 24.4°F (-4.2°C). Weather in January »Weather in February
The last month of the winter, February, is a frosty month in Vienna, Missouri, with an average temperature ranging between min 28°F (-2.2°C) and max 43.5°F (6.4°C). As January turns into February, the average high-temperatures rest at a frosty 43.5°F (6.4°C), showing a minor variation from the prior month. Weather in February »Weather in March
March, the first month of the spring in Vienna, is a cool month, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 37.9°F (3.3°C). The arrival of March signals an increase in the average high-temperature, moving from a chilly 43.5°F (6.4°C) in February to a fresh 55°F (12.8°C). Weather in March »Weather in April
April in Vienna, Missouri, is an enjoyable spring month, with an average temperature fluctuating between 47.1°F (8.4°C) and 66.2°F (19°C). April's arrival signals an increase in average high-temperatures, moving from March's fresh 55°F (12.8°C) to a comfortable 66.2°F (19°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Vienna, Missouri, with temperature in the range of an average low of 55.9°F (13.3°C) and an average high of 76.3°F (24.6°C). A rise in the average high-temperature is observed during May, moving from a comfortable 66.2°F (19°C) in April to a warm 76.3°F (24.6°C). Weather in May »Weather in June
The first month of the summer, June, is a tropical month in Vienna, Missouri, with temperature in the range of an average low of 65.3°F (18.5°C) and an average high of 86.5°F (30.3°C). The rise of average high-temperatures is seen in June, with an increase from a moderately hot 76.3°F (24.6°C) in May to a hot 86.5°F (30.3°C). Weather in June »Weather in July
July, like June, is another tropical summer month in Vienna, Missouri, with an average temperature varying between 89.1°F (31.7°C) and 67.8°F (19.9°C). July, known for its average high temperature of 89.1°F (31.7°C) and an average low temperature of 67.8°F (19.9°C), is the warmest month. July's average heat index is evaluated at a blistering 105.8°F (41°C). Weather in July »Weather in August
August, the last month of the summer in Vienna, is another tropical month, with temperature in the range of an average high of 87.3°F (30.7°C) and an average low of 65.8°F (18.8°C). The shift into August finds Vienna at an average high-temperature of a still hot 87.3°F (30.7°C), closely comparable to July's conditions. Weather in August »Weather in September
September, the first month of the autumn in Vienna, is still a warm month, with an average temperature fluctuating between 59°F (15°C) and 80.4°F (26.9°C). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's tropical 87.3°F (30.7°C) to a warm 80.4°F (26.9°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Vienna, Missouri, with temperature in the range of an average low of 48°F (8.9°C) and an average high of 66°F (18.9°C). October signals a clear decrease in the average high-temperature, dropping from September's moderately hot 80.4°F (26.9°C) to an enjoyable 66°F (18.9°C). Weather in October »Weather in November
November, the last month of the autumn in Vienna, is another cool month, with an average temperature ranging between max 53.6°F (12°C) and min 37.2°F (2.9°C). As November begins, there is a decrease in the average high-temperature, falling from a refreshing 66°F (18.9°C) in October to a cool 53.6°F (12°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 29.3°F (-1.5°C) and 43.2°F (6.2°C). Vienna's progression into December includes a drop in the average high-temperature, from a cool 53.6°F (12°C) in November to a frosty 43.2°F (6.2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Vienna, MO
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (39.2°F).
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure
Vienna, MO
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.95"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:
30.02"Hg - Average pressure in October:
30.04"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed
Vienna, MO
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.4mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
5.8mph - Average wind speed in October:
7.3mph - Average wind speed in November:
8.1mph - Average wind speed in December:
8.3mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity
Vienna, MO
The months with the highest relative humidity are March and May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall
Vienna, MO
- Average rainfall in January:
1.69" - Average rainfall in February:
1.77" - Average rainfall in March:
2.72" - Average rainfall in April:
3.82" - Average rainfall in May:
3.98" - Average rainfall in June:
3.43"
- Average rainfall in July:
3.03" - Average rainfall in August:
2.68" - Average rainfall in September:
1.93" - Average rainfall in October:
2.4" - Average rainfall in November:
1.65" - Average rainfall in December:
1.93"
The wettest month (with the highest rainfall) is May (3.98").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days
Vienna, MO
- Average rainfall days in January:
7.4 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.8 days - Average rainfall days in June:
15.8 days
- Average rainfall days in July:
16 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
10.4 days - Average rainfall days in November:
9.3 days - Average rainfall days in December:
7 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is December (7 days).
Average snowfall
Vienna, MO
The month with the highest snowfall is February (3.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days
Vienna, MO
- Average snowfall days in January:
7.4 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 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:
1.6 days - Average snowfall days in December:
5 days
The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Vienna, MO
- Average daylight in January:
9h and 54min - Average daylight in February:
10h and 48min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 12min - Average daylight in May:
14h and 18min - Average daylight in June:
14h and 48min
- Average daylight in July:
14h and 30min - Average daylight in August:
13h and 36min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 12min - Average daylight in November:
10h and 6min - Average daylight in December:
9h and 36min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January:
4h and 48min - Average sunshine in February:
4h and 42min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 24min - Average sunshine in May:
9h and 18min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 12min - Average sunshine in September:
9h and 30min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 30min - Average sunshine in December:
5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Vienna, MO
- Average sunshine days in January:
17.7 days - Average sunshine days in February:
14.3 days - Average sunshine days in March:
14 days - Average sunshine days in April:
14 days - Average sunshine days in May:
11.4 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.8 days - Average sunshine days in August:
13.7 days - Average sunshine days in September:
15.5 days - Average sunshine days in October:
18.6 days - Average sunshine days in November:
19 days - Average sunshine days in December:
18.8 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.4 days).
Average UV index
Vienna, MO
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, November and December (UV index 2).
Average cloud cover
Vienna, MO
The months with the most cloud cover are February and March (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility
Vienna, MO
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





