November weather forecast
Sammamish, WA

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Dense pine tree cover and houses in the town of Sammamish, Washington, in the Pine Lake area
Dense pine tree cover and houses in the town of Sammamish, Washington, in the Pine Lake area

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 transition into November in Sammamish indicates a reduction in the average high-temperature, down to a chilly 48.2°F (9°C) from October's refreshing 58.5°F (14.7°C). Throughout November nights, Sammamish registers an average low-temperature of 38.3°F (3.5°C).

Humidity

In November, the average relative humidity is 84%.

Rainfall

In November, the rain falls for 14.5 days. Throughout November, 1.54" (39mm) of precipitation is accumulated. In Sammamish, during the entire year, the rain falls for 136.7 days and collects up to 13.39" (340mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Sammamish. November is the first month it typically snows in Sammamish, Washington. Throughout November, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, in Sammamish, Washington, there are 9.3 snowfall days, and 3.27" (83mm) of snow is accumulated.

Daylight

In November, the average length of the day in Sammamish is 9h and 19min.
On the first day of November in Sammamish, 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

The average sunshine in November in Sammamish is 4.5h.

UV index

The months with the lowest UV index in Sammamish are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In November, the UV index of 2 transforms into the following advice:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the usual temperature for Sammamish in November?

In November, the average high-temperature and low-temperature in Sammamish are 48.2°F (9°C) and 38.3°F (3.5°C) respectively.

What is the average humidity in November in Sammamish?

In November, the average relative humidity in Sammamish is 84%.

How much does it rain in Sammamish in November?

In November, in Sammamish, the rain falls for 14.5 days. Throughout November, 1.54" (39mm) of precipitation is accumulated.

When does it start to snow in Sammamish?

November is the first month it typically snows. Throughout November, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Sammamish have in November?

The average day length in November is 9h and 19min.

When is the sunrise / sunset in November in Sammamish?

In November, on the first day of the month, sunrise is at 7:53 am and sunset at 5:49 pm PDT. On the last day of the month, in Sammamish, Washington, sunrise is at 7:35 am and sunset at 4:19 pm PST.

When does Daylight Saving Time (DST) end in November in Sammamish?

On Sunday, November 3. 2024, at 2:00 am, Daylight Saving Time ends, and the time zone changes from PDT to PST. The next DST starts Sunday, March 9. 2025, at 2:00 am.

How long on average sun shines in November in Sammamish?

In November, the average sunshine duration in Sammamish, Washington, is 4.5h.

What is the month with the lowest UV index in Sammamish?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in November in Sammamish?

The average daily maximum UV index in November in Sammamish, Washington, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in November
Sammamish, WA

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).

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Average pressure in November
Sammamish, WA

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).

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Average wind speed in November
Sammamish, WA

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).

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Average humidity in November
Sammamish, WA

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%).

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Average rainfall in November
Sammamish, WA

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").

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Average rainfall days in November
Sammamish, WA

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).

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Average snowfall in November
Sammamish, WA

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").

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Average snowfall days in November
Sammamish, WA

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).

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Average daylight in November /
Average sunshine in November
Sammamish, WA

Average daylight in November / Average sunshine in November - Sammamish, WA
  • Average daylight in November: 9h and 2min

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 3min

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).

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Average sunshine days in November
Sammamish, WA

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).

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Average UV index in November
Sammamish, WA

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).

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Average cloud cover in November
Sammamish, WA

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).

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Average visibility in November
Sammamish, WA

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).

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Sammamish, Washington, USA

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