October weather forecastVienna, MD
October
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).Temperature
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). October nights cool down to an average low-temperature of 53.8°F (12.1°C).Humidity
The average relative humidity in October is 78%.Rainfall
In Vienna, during October, the rain falls for 8.2 days and regularly aggregates up to 1.22" (31mm) of precipitation. Throughout the year, there are 114.4 rainfall days, and 12.05" (306mm) of precipitation is accumulated.Snowfall
In Vienna, snow does not fall in May through October.Daylight
In October, the average length of the day is 11h and 11min.On the first day of the month, sunrise is at 6:59 am and sunset at 6:45 pm. On the last day of October, sunrise is at 7:29 am and sunset at 6:04 pm EDT.
Sunshine
In Vienna, the average sunshine in October is 5.7h.UV index
In October, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 4 during October translates into the following guidance:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Vienna, MD
- Average high temperature in October: 67.1°F
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).
- Average low temperature in October: 53.8°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 in October
Vienna, MD
- Average pressure in October: 30.03"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 in October
Vienna, MD
- Average wind speed in October: 8.2mph
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 in October
Vienna, MD
- Average humidity in October: 78%
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 in October
Vienna, MD
- Average rainfall in October: 1.22"
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 in October
Vienna, MD
- Average rainfall days in October: 8.2 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 in October
Vienna, MD
- Average snowfall in October: 0"
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 in October
Vienna, MD
- Average snowfall days in October: 0 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 in October /
Average sunshine in October
Vienna, MD
- Average daylight in October: 11h and 12min
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 October: 5h and 42min
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 in October
Vienna, MD
- Average sunshine days in October: 20.3 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 in October
Vienna, MD
- Average UV index in October: 4
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 in October
Vienna, MD
- Average cloud cover in October: 38
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 in October
Vienna, MD
- Average visibility in October: 6mi
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).
