November weather forecastSammamish, WA

November
Weather in November
November in Sammamish is distinctly cooler, confirming the onset of winter. With the average maximum temperature dipping to 48.2°F (9°C), the chilly weather begins to take hold. Interestingly, this month sees the city's highest rainfall at 1.54" (39mm), highest in the year, confirming the wintery conditions. Shortening daylight hours and dropping UV index are consistent with the changing season. Despite the alteration in weather, the visibility remains constant around 5 miles, offering clear views of the city's winter beauty.Temperature
The onset of November results in a decrease in the average high-temperature, receding from a refreshing 58.5°F (14.7°C) in October to a chilly 48.2°F (9°C). Sammamish records an average temperature drop to an icy 38.3°F (3.5°C) in November.Humidity
In Sammamish, the average relative humidity in November is 84%.Rainfall
In Sammamish, in November, it is raining for 14.5 days, with typically 1.54" (39mm) of accumulated precipitation. Throughout the year, there are 136.7 rainfall days, and 13.39" (340mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. November is the first month it typically snows. Throughout November, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Sammamish, there are 9.3 snowfall days, and 3.27" (83mm) of snow is accumulated.Daylight
In Sammamish, Washington, the average length of the day in November is 9h and 19min.On the first day of November, sunrise is at 7:53 am and sunset at 5:49 pm PDT. On the last day of the month, sunrise is at 7:35 am and sunset at 4:19 pm PST.
Note: On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from PDT to PST. Daylight Saving Time starts again on Sunday, March 9. 2025, at 2:00 am; consequently, the time zone reverts from PST to PDT.
Sunshine
In November, the average sunshine is 4.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in November interprets into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Sammamish, WA
- Average high temperature in November: 48.2°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in November: 38.3°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (33.6°F).
Average pressure in November
Sammamish, WA
- Average pressure in November: 30.04"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in November
Sammamish, WA
- Average wind speed in November: 4.7mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in November
Sammamish, WA
- Average humidity in November: 84%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is July (70%).
Average rainfall in November
Sammamish, WA
- Average rainfall in November: 1.54"
The wettest month (with the highest rainfall) is December (1.85").
The driest months (with the least rainfall) are July and August (0.35").
Average rainfall days in November
Sammamish, WA
- Average rainfall days in November: 14.5 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in November
Sammamish, WA
- Average snowfall in November: 0.12"
The month with the highest snowfall is February (1.38").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in November
Sammamish, WA
- Average snowfall days in November: 0.5 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in November /
Average sunshine in November
Sammamish, WA
- Average daylight in November: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in November: 4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in November
Sammamish, WA
- Average sunshine days in November: 13.5 days
The month with the most sunshine days is August (24 days).
The month with the least sunshine days is November (13.5 days).
Average UV index in November
Sammamish, WA
- Average UV index in November: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in November
Sammamish, WA
- Average cloud cover in November: 54
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in November
Sammamish, WA
- Average visibility in November: 5mi
The months with the highest visibility are June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (5mi).





