Contents
- Weather in November
- Frequently asked questions
- Average temperature in November
- Average pressure in November
- Average wind speed in November
- Average humidity in November
- Average rainfall in November
- Average rainfall days in November
- Average snowfall in November
- Average snowfall days in November
- Average daylight in November
- Average sunshine in November
- Average sunshine days in November
- Average UV index in November
- Average cloud cover in November
- Average visibility in November
Weather in November
Temperature
The onset of November comes with a shift in the average high-temperature, falling from a refreshing 56.1°F (13.4°C) in October to a frosty 45.7°F (7.6°C). Sumas's nighttime temperature in November drops to an average of 36.5°F (2.5°C).Humidity
In Sumas, the average relative humidity in November is 86%.Rainfall
The month with the most rainfall in Sumas is November, when the rain falls for 20.2 days and typically aggregates up to 7.72" (196mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. November is the first month it typically snows in Sumas. Throughout November, in the average 1.1 snowfall days, it receives 0.43" (11mm) of snow. Throughout the year, there are 14.7 snowfall days, and 10.2" (259mm) of snow is accumulated.Daylight
In Sumas, the average length of the day in November is 9h and 10min.On the first day of the month, sunrise is at 7:57 am and sunset at 5:47 pm PDT. On the last day of November, sunrise is at 7:41 am and sunset at 4:14 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 Sumas, the average sunshine in November is 4.1h.UV index
The months with the lowest UV index in Sumas, Washington, are January, February, October through December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 2 in November, converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sumas in November?
What is the average humidity in November in Sumas?
What is the wettest month in Sumas?
How much does it rain in Sumas in November?
When does it start snowing in Sumas?
What is the average length of the day in November in Sumas?
When is the sunrise / sunset in November in Sumas?
When does Daylight Saving Time (DST) end in November in Sumas?
How many hours of sunshine does Sumas have in November?
When is the lowest UV index in Sumas?
What is the UV index reading in November in Sumas?
Average temperature in November
Sumas, WA
- Average high temperature in November: 45.7°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (39.6°F).
- Average low temperature in November: 36.5°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 (31.6°F).
Average pressure in November
Sumas, WA
- Average pressure in November: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and August (30"Hg).
Average wind speed in November
Sumas, WA
- Average wind speed in November: 4.5mph
The windiest months (with the highest average wind speed) are January and February (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in November
Sumas, WA
- Average humidity in November: 86%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).
Average rainfall in November
Sumas, WA
- Average rainfall in November: 7.72"
The wettest month (with the highest rainfall) is November (7.72").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in November
Sumas, WA
- Average rainfall days in November: 20.2 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in November
Sumas, WA
- Average snowfall in November: 0.43"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in November
Sumas, WA
- Average snowfall days in November: 1.1 days
The month with the highest number of snowfall days is February (4.7 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
Sumas, WA
- Average daylight in November: 9h and 1min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in November: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in November
Sumas, WA
- Average sunshine days in November: 8.8 days
The months with the most sunshine days are July and August (21 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in November
Sumas, 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, October, November and December (UV index 2).
Average cloud cover in November
Sumas, WA
- Average cloud cover in November: 59
The month with the most cloud cover is March (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in November
Sumas, WA
- Average visibility in November: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Sumas, Washington, USA
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