February weather forecast
Issaquah, WA

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Weather in February

The shift to February brings slight relief from the January cold. It also retains the relatively high humidity but witnesses an increase in daylight hours from 9 to 10.3. Snowfall is relatively common with 2.5 days recorded. However, rainfall does decrease as February has lesser rainfall inches, 1.3 compared to 1.85 in January. The sunshine hours remain virtually unchanged at 4.2, providing a glimmer of warmth.

Temperature

The transition into February notes an average high-temperature of a still frosty 45.1°F (7.3°C), revealing a mild distinction from the 44.2°F (6.8°C) in January. February brings with it a nighttime average temperature of 33.4°F (0.8°C).

Humidity

The months with the highest humidity are January and February, with an average relative humidity of 85%.

Rainfall

In Issaquah, in February, during 11.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. 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 are January through April, November and December. February is the month with the most snowfall. Snow falls for 2.5 days and accumulates 0.94" (24mm) of snow.

Daylight

In February, the average length of the day is 10h and 18min.
On the first day of February, sunrise is at 7:34 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:52 pm PST.

Sunshine

In February, the average sunshine is 4.2h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 2 in February interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average February temperature?

During February, Issaquah experiences an average high-temperature of 45.1°F (7.3°C) and a low-temperature of 33.4°F (0.8°C).

What are the most humid months?

January and February, with an average relative humidity of 85%, are most humid months.

What is the average humidity in February?

The average relative humidity in February is 85%.

How much does it rain in February?

In Issaquah, in February, during 11.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

What is the snowiest month?

The month with the most snowfall is February, when snow falls for 2.5 days and typically aggregates up to 0.94" (24mm) of snow.

How many days does it snow in February?

In Issaquah, in February, snow falls for 2.5 days, with typically accumulated 0.94" (24mm) of snow.

How many hours of daylight does Issaquah have in February?

In Issaquah, the average day length in February is 10h and 18min.

When is the sunrise / sunset in February?

In February, on the first day of the month, sunrise is at 7:34 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 5:52 pm PST.

How long on average sun shines in February?

In February, the average sunshine duration is 4.2h.

What is the month with the lowest UV index?

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 February?

The average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in February
Issaquah, WA

Average temperature in February - Issaquah, WA
  • Average high temperature in February: 45.1°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 February: 33.4°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 February
Issaquah, WA

Average pressure in February - Issaquah, WA
  • Average pressure in February: 30.06"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 February
Issaquah, WA

Average wind speed in February - Issaquah, WA
  • Average wind speed in February: 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 February
Issaquah, WA

Average humidity in February - Issaquah, WA
  • Average humidity in February: 85%

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 February
Issaquah, WA

Average rainfall in February - Issaquah, WA
  • Average rainfall in February: 1.3"

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 February
Issaquah, WA

Average rainfall days in February - Issaquah, WA
  • Average rainfall days in February: 11.7 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 February
Issaquah, WA

Average snowfall in February - Issaquah, WA
  • Average snowfall in February: 0.94"

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 February
Issaquah, WA

Average snowfall days in February - Issaquah, WA
  • Average snowfall days in February: 2.5 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 February /
Average sunshine in February
Issaquah, WA

Average daylight in February / Average sunshine in February - Issaquah, WA
  • Average daylight in February: 10h 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 February: 4h and 1min

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 February
Issaquah, WA

Average sunshine days in February - Issaquah, WA
  • Average sunshine days in February: 12.9 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 February
Issaquah, WA

Average UV index in February - Issaquah, WA
  • Average UV index in February: 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 February
Issaquah, WA

Average cloud cover in February - Issaquah, WA
  • Average cloud cover in February: 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 February
Issaquah, WA

Average visibility in February - Issaquah, WA
  • Average visibility in February: 4mi

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

Issaquah, Washington, USA

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