November weather forecast and climate
Issaquah, WA

Weather in November

The last month of the autumn, November, is also a frosty month in Issaquah, Washington, with average temperature fluctuating between 38.1°F (3.4°C) and 48.4°F (9.1°C).

Temperature

In Issaquah, the average high-temperature in November decreases, from a mild 58.6°F (14.8°C) in October, to a frosty 48.4°F (9.1°C). In Issaquah, Washington,, the average low-temperature is 38.1°F (3.4°C).

Humidity

The average relative humidity in November is 84%.

Rainfall

In November, in Issaquah, the rain falls for 13.4 days. Throughout November, 1.5" (38mm) of precipitation is accumulated. In Issaquah, Washington, during the entire year, the rain falls for 127.4 days and collects up to 12.52" (318mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. November is the first month it typically snows. Throughout November, in the average 0.3 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 November, the average length of the day in Issaquah, Washington, is 9.3h.

Sunshine

In Issaquah, Washington, the average sunshine is 4.4h.

UV index

Months with the lowest UV index 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 the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in November transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in November in Issaquah?

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

How much does it rain in Issaquah in November?

In Issaquah, during November, the rain falls for 13.4 days and regularly aggregates up to 1.5" (38mm) of precipitation.

When does it start to snow in Issaquah?

November is the first month it typically snows in Issaquah. Throughout November, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

How many hours of daylight does Issaquah have in November?

In November, the average length of the day in Issaquah is 9.3h.

How many hours of sunshine does Issaquah have in November?

The average sunshine in November is 4.4h.

What are the months with the lowest UV index in Issaquah?

Months with the lowest UV index in Issaquah, Washington, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in November in Issaquah?

In Issaquah, the average daily maximum UV index in November is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to the UV radiation.

Average temperature in November
Issaquah, WA

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).

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Average pressure in November
Issaquah, WA

Average pressure in November - Issaquah, WA
  • Average pressure in November: 30.04"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is August (30").

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Average wind speed in November
Issaquah, WA

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).

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Average humidity in November
Issaquah, WA

Average humidity in November - Issaquah, WA
  • Average humidity in November: 84%

Months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is July (69%).

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Average rainfall in November
Issaquah, WA

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").

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Average rainfall days in November
Issaquah, WA

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).

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Average snowfall in November
Issaquah, WA

Average snowfall in November - Issaquah, WA
  • Average snowfall in November: 0.04"

The month with the highest snowfall is February (0.94").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in November
Issaquah, WA

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).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in November / Average sunshine in November - Issaquah, WA
  • Average daylight in November: 9.3h

The month with the longest days is June (Average daylight: 15.9h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in November: 4.4h

The month with the most sunshine is August (Average sunshine: 10.5h).
The month with the least sunshine is December (Average sunshine: 4h).

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Average sunshine days in November
Issaquah, WA

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).

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Average UV index in November
Issaquah, WA

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).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in November
Issaquah, WA

Average cloud cover in November - Issaquah, WA
  • Average cloud cover in November: 57

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).

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Average visibility in November
Issaquah, WA

Average visibility in November - Issaquah, WA
  • Average visibility in November: 5mi

Months with the highest visibility are July and August (6mi).
Months with the lowest visibility are January, February and December (4mi).

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