October weather forecastChevy Chase, MD
October
Weather in October
October, the same as September, is another refreshing autumn month in Chevy Chase, Maryland, with an average temperature varying between 50.7°F (10.4°C) and 66.2°F (19°C).Temperature
October's onset brings a slight change in high-temperatures, falling from a warm 78.4°F (25.8°C) in September to a refreshing 66.2°F (19°C). In the month of October, an average of 50.7°F (10.4°C) marks the low-temperature.Humidity
In October, the average relative humidity is 75%.Rainfall
In Chevy Chase, during October, the rain falls for 10.5 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Chevy Chase, during the entire year, the rain falls for 150.3 days and collects up to 28.66" (728mm) of precipitation.Snowfall
In Chevy Chase, snow does not fall in May through October.Daylight
In Chevy Chase, the average length of the day in October is 11h and 10min.On the first day of the month, sunrise is at 7:04 am and sunset at 6:50 pm. On the last day of October, sunrise is at 7:35 am and sunset at 6:08 pm EDT.
Sunshine
In October, the average sunshine is 5.6h.UV index
In Chevy Chase, the average daily maximum UV index in October is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in October leads to these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Chevy Chase, MD
- Average high temperature in October: 66.2°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in October: 50.7°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in October
Chevy Chase, MD
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Chevy Chase, MD
- Average wind speed in October: 6.6mph
The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in October
Chevy Chase, MD
- Average humidity in October: 75%
The month with the highest relative humidity is December (76%).
The month with the lowest relative humidity is July (69%).
Average rainfall in October
Chevy Chase, MD
- Average rainfall in October: 2.13"
The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in October
Chevy Chase, MD
- Average rainfall days in October: 10.5 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in October
Chevy Chase, MD
- Average snowfall in October: 0"
The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Chevy Chase, MD
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (4.4 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
Chevy Chase, MD
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in October: 5h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 0min).
Average sunshine days in October
Chevy Chase, MD
- Average sunshine days in October: 18.5 days
The month with the most sunshine days is November (20.4 days).
The months with the least sunshine days are May and July (12.3 days).
Average UV index in October
Chevy Chase, 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, November and December (UV index 2).
Average cloud cover in October
Chevy Chase, MD
- Average cloud cover in October: 40
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in October
Chevy Chase, MD
- Average visibility in October: 6mi
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).
