November weather forecastIssaquah, WA
November
Weather in November
November ushers in an even cooler phase in Issaquah, as winter begins to make its presence felt. A significant drop in the average high temperature to 48.4°F (9.1°C) — a steep fall from October — lends a characteristic chill to the air. The daylight hours shrink from 10.8 hours in October to 9.3 hours. The cloud cover, rainfall, and humidity all show an increase, suggesting the oncoming winter season. These characteristics define November weather as marked by overcast skies, frequent drizzles, and a progressively cold climate.Temperature
As November begins, there is a decrease in the average high-temperature, falling from a refreshing 58.6°F (14.8°C) in October to a frosty 48.4°F (9.1°C). Issaquah in November anticipates an average nighttime temperature of 38.1°F (3.4°C).Humidity
The average relative humidity in November in Issaquah is 84%.Rainfall
In Issaquah, in November, it is raining for 13.4 days, with typically 1.5" (38mm) of accumulated precipitation. In Issaquah, during the entire year, the rain falls for 127.4 days and collects up to 12.52" (318mm) of precipitation.Snowfall
Months with snowfall in Issaquah, Washington, are January through April, November and December. November is the first month it typically snows. Throughout November, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 5.9 snowfall days, and 1.93" (49mm) of snow is accumulated.Daylight
In Issaquah, 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 5:50 pm PDT. On the last day of the month, sunrise is at 7:34 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 4.4h.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 minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 2 during November leads to these instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in November
Issaquah, WA
- Average high temperature in November: 48.4°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in November: 38.1°F
The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (33.4°F).
Average pressure in November
Issaquah, 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
Issaquah, WA
- Average wind speed in November: 4.7mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in November
Issaquah, WA
- Average humidity in November: 84%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is July (69%).
Average rainfall in November
Issaquah, WA
- Average rainfall in November: 1.5"
The wettest month (with the highest rainfall) is December (2.01").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in November
Issaquah, WA
- Average rainfall days in November: 13.4 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is August (4.3 days).
Average snowfall in November
Issaquah, WA
- Average snowfall in November: 0.04"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in November
Issaquah, WA
- Average snowfall days in November: 0.3 days
The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in November /
Average sunshine in November
Issaquah, 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 24min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).
Average sunshine days in November
Issaquah, WA
- Average sunshine days in November: 14.5 days
The month with the most sunshine days is August (25 days).
The month with the least sunshine days is February (12.9 days).
Average UV index in November
Issaquah, WA
- Average UV index in November: 2
The month with the highest UV index is 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
Issaquah, WA
- Average cloud cover in November: 57
The months with the most cloud cover are January and December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in November
Issaquah, WA
- Average visibility in November: 5mi
The months with the highest visibility are July and August (6mi).
The months with the lowest visibility are January, February and December (4mi).





