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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, Maryland, with an average temperature varying between 29.5°F (-1.4°C) and 42.1°F (5.6°C). The coldest period is January, when temperatures fluctuate between an average high of 42.1°F (5.6°C) and a low of 29.5°F (-1.4°C). Weather in January »
Weather in February
The last month of the winter, February, is a chilly month in Vienna, Maryland, with temperature in the range of an average high of 45.3°F (7.4°C) and an average low of 32°F (0°C). Vienna's average high-temperature in February is a frosty 45.3°F (7.4°C), marking an insignificant difference from the 42.1°F (5.6°C) of January. Weather in February »
Weather in March
The first month of the spring, March, is a fresh month in Vienna, Maryland, with an average temperature fluctuating between 51.3°F (10.7°C) and 37.8°F (3.2°C). Vienna observes a slight ascent in average high-temperatures during March, adjusting from a chilly 45.3°F (7.4°C) in February to a fresh 51.3°F (10.7°C). Weather in March »
Weather in April
April is a comfortable spring month in Vienna, Maryland, with an average temperature fluctuating between 62.8°F (17.1°C) and 47.8°F (8.8°C). In Vienna, the onset of April comes with an increased average high-temperature, moving from March's cool 51.3°F (10.7°C) to a comfortable 62.8°F (17.1°C). Weather in April »
Weather in May
May, the last month of the spring in Vienna, is a pleasant month, with an average temperature varying between 71.8°F (22.1°C) and 56.8°F (13.8°C). May's onset is marked by a temperature increase, moving from a refreshing 62.8°F (17.1°C) in April to an agreeable 71.8°F (22.1°C). Weather in May »
Weather in June
The first month of the summer, June, is a warm month in Vienna, Maryland, with an average temperature ranging between min 64.6°F (18.1°C) and max 79.7°F (26.5°C). Vienna in June observes a minor temperature shift, with average high-temperatures adjusting from an agreeable 71.8°F (22.1°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 Vienna, Maryland, with an average temperature fluctuating between 84.4°F (29.1°C) and 70.2°F (21.2°C). The warmest temperatures occur during July, when averages reach a peak of 84.4°F (29.1°C) and a low of 70.2°F (21.2°C). The heat index for July is appraised at a fiery hot 95°F (35°C). Weather in July »
Weather in August
August, the last month of the summer in Vienna, is another warm month, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 68°F (20°C). Vienna's weather, upon August's arrival, documents an average high-temperature of a still warm 82.8°F (28.2°C), nearly identical to the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Vienna, is also a moderately hot month, with an average temperature fluctuating between 77°F (25°C) and 63.1°F (17.3°C). With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 82.8°F (28.2°C) in August to a still moderately hot 77°F (25°C). Weather in September »
Weather in October
October, the same as September, is another comfortable autumn month in Vienna, Maryland, with temperature in the range of an average low of 53.8°F (12.1°C) and an average high of 67.1°F (19.5°C). In October, the average high-temperature decreases from a moderately hot 77°F (25°C) in September to an enjoyable 67.1°F (19.5°C). Weather in October »
Weather in November
November, the last month of the autumn in Vienna, is another mild month, with an average temperature varying between 42.3°F (5.7°C) and 55.8°F (13.2°C). Vienna in November undergoes a mild reduction in the average high-temperature, shifting from October's refreshing 67.1°F (19.5°C) to a mild 55.8°F (13.2°C). Weather in November »
Weather in December
The first month of the winter, December, is still a chilly month in Vienna, Maryland, with an average temperature varying between 36.1°F (2.3°C) and 47.7°F (8.7°C). December's arrival subtly correlates with a reduction in the average high-temperature, down from a moderate 55.8°F (13.2°C) in November to a chilly 47.7°F (8.7°C). Weather in December »
Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
The coldest time of the year is January, with temperatures averaging a high of 42.1°F (5.6°C) and a low of 29.5°F (-1.4°C).
What are the least humid months?
January through April, with an average relative humidity of 75%, are the least humid months.
How much does it rain?
Throughout the year, there are 114.4 rainfall days, and 12.05" (306mm) of precipitation is accumulated.
When does it snow?
Months with snowfall are January through April, November and December.
What is the snowiest month?
The month with the most snowfall is January, when snow falls for 3.2 days and typically aggregates up to 0.75" (19mm) of snow.
How many days does it snow?
Throughout the year, in Vienna, there are 10 snowfall days, and 1.81" (46mm) of snow is accumulated.
What is the month with the lowest UV index?
January and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the month with the least sunshine?
The months with the least sunshine are February and December, with an average of 5.1h of sunshine.
When is Daylight Saving Time (DST)?
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
What is the driest month in Vienna?
April and May are months with the least rain when the rain falls for 10.3 days and typically aggregates up to 0.79" (20mm) of rain.
What is the most humid month?
The months with the highest humidity in Vienna are May, August and September, with an average relative humidity of 80%.
When it does not snow?
May through October are months without snowfall in Vienna, Maryland.
When is the highest UV index?
May through August, with an average maximum UV index of 6, are months with the highest UV index.
When are the longest days?
The month with the longest days is June, with an average of 14h and 48min of daylight.
What are the warmest months?
July, characterized by an average high temperature of 84.4°F (29.1°C) and a low temperature of 70.2°F (21.2°C), is generally the warmest month.
What is the wettest month?
The month with the most rainfall in Vienna is July, when the rain falls for 13.2 days and typically aggregates up to 1.46" (37mm) of precipitation.
What month has the most sunshine in Vienna?
The month with the most sunshine is July, with an average of 10.7h of sunshine.
What is the month with the shortest days?
With an average of 9h and 30min of daylight, December has the shortest days of the year.
Average temperature
Vienna, MD
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (42.1°F).
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure
Vienna, MD
- Average pressure in January:
30.1"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
30"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.94"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.04"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.12"Hg - Average pressure in December:
30.1"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed
Vienna, MD
- Average wind speed in January:
9.4mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9.6mph - Average wind speed in May:
8.1mph - Average wind speed in June:
7.3mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
6.1mph - Average wind speed in September:
7.1mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.5mph - Average wind speed in December:
8.6mph
The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity
Vienna, MD
The months with the highest relative humidity are May, August and September (80%).
The months with the lowest relative humidity are January, February, March and April (75%).
Average rainfall
Vienna, MD
- Average rainfall in January:
0.87" - Average rainfall in February:
0.87" - Average rainfall in March:
0.87" - Average rainfall in April:
0.79" - Average rainfall in May:
0.79" - Average rainfall in June:
0.98"
- Average rainfall in July:
1.46" - Average rainfall in August:
1.42" - Average rainfall in September:
0.98" - Average rainfall in October:
1.22" - Average rainfall in November:
0.94" - Average rainfall in December:
0.87"
The wettest month (with the highest rainfall) is July (1.46").
The driest months (with the least rainfall) are April and May (0.79").
Average rainfall days
Vienna, MD
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.3 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
10.3 days - Average rainfall days in May:
10.5 days - Average rainfall days in June:
10.1 days
- Average rainfall days in July:
13.2 days - Average rainfall days in August:
12.6 days - Average rainfall days in September:
10.3 days - Average rainfall days in October:
8.2 days - Average rainfall days in November:
6.5 days - Average rainfall days in December:
7.8 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is November (6.5 days).
Average snowfall
Vienna, MD
The month with the highest snowfall is January (0.75").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Vienna, MD
- Average snowfall days in January:
3.2 days - Average snowfall days in February:
2.6 days - Average snowfall days in March:
1.9 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 days - Average snowfall days in November:
0.4 days - Average snowfall days in December:
1.7 days
The month with the highest number of snowfall days is January (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Vienna, MD
- 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 2min - Average daylight in June:
14h and 5min
- Average daylight in July:
14h and 3min - 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 3min
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 30min).
- Average sunshine in January:
5h and 2min - Average sunshine in February:
5h and 1min - Average sunshine in March:
6h and 4min - Average sunshine in April:
8h and 5min - Average sunshine in May:
9h and 1min - Average sunshine in June:
10h and 2min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 2min - Average sunshine in September:
9h and 0min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days
Vienna, MD
- Average sunshine days in January:
20.6 days - Average sunshine days in February:
17.4 days - Average sunshine days in March:
17.8 days - Average sunshine days in April:
17.6 days - Average sunshine days in May:
17.5 days - Average sunshine days in June:
16.6 days
- Average sunshine days in July:
14.7 days - Average sunshine days in August:
15.1 days - Average sunshine days in September:
17 days - Average sunshine days in October:
20.3 days - Average sunshine days in November:
21.2 days - Average sunshine days in December:
20.8 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (14.7 days).
Average UV index
Vienna, MD
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 and December (UV index 2).
Average cloud cover
Vienna, MD
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility
Vienna, MD
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, Maryland, USA
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