February weather forecast
Castle Rock, WA

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Weather in February

The last month of the winter, February, is also a frosty month in Castle Rock, Washington, with an average temperature varying between 45.5°F (7.5°C) and 33.1°F (0.6°C).

Temperature

The advent of February sees the average high-temperature at a still chilly 45.5°F (7.5°C), subtly shifted from January's 44.2°F (6.8°C). Castle Rock records an average low of 33.1°F (0.6°C) throughout the nights in February.

Humidity

The months with the highest humidity in Castle Rock are February and November, with an average relative humidity of 89%.

Rainfall

In Castle Rock, in February, during 14.7 rainfall days, 1.65" (42mm) of precipitation is typically accumulated. In Castle Rock, during the entire year, the rain falls for 157.3 days and collects up to 16.54" (420mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Castle Rock. February is the month with the most snowfall. Snow falls for 2.4 days and accumulates 1.02" (26mm) of snow.

Daylight

In February, the average length of the day is 10h and 23min.
On the first day of February in Castle Rock, sunrise is at 7:34 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:57 pm PST.

Sunshine

The month with the least sunshine in Castle Rock, Washington, is February, with an average of 3.5h of sunshine.

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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In February, a daily UV index of 2 turns into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are February temperatures in Castle Rock?

Castle Rock in February has an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 33.1°F (0.6°C).

What are the most humid months in Castle Rock?

February and November, with an average relative humidity of 89%, are most humid months in Castle Rock.

What is the average humidity in February in Castle Rock?

In Castle Rock, Washington, the average relative humidity in February is 89%.

How many days does it rain in February in Castle Rock?

In Castle Rock, Washington, during February, the rain falls for 14.7 days and regularly aggregates up to 1.65" (42mm) of precipitation.

When does it snow the most in Castle Rock?

February is the month with the most snowfall. Snow falls for 2.4 days and accumulates 1.02" (26mm) of snow.

How many days does it snow in February in Castle Rock?

In February, in Castle Rock, it is snowing for 2.4 days. Throughout February, 1.02" (26mm) of snow is accumulated.

How many hours of daylight does Castle Rock have in February?

In February, the average day length in Castle Rock is 10h and 23min.

What time are sunrise and sunset in February in Castle Rock?

On the first day of February in Castle Rock, sunrise is at 7:34 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 5:57 pm PST.

What is the month with the least sunshine in Castle Rock?

With an average of 3.5h of sunshine, February has the least sunshine of the year in Castle Rock.

How long on average sun shines in February in Castle Rock?

The average sunshine duration in February in Castle Rock is 3.5h.

When is the lowest UV index in Castle Rock?

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

What is the UV index reading in February in Castle Rock?

In Castle Rock, the average daily maximum UV index in February is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
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
Castle Rock, WA

Average temperature in February - Castle Rock, WA
  • Average high temperature in February: 45.5°F

The warmest month (with the highest average high temperature) is August (77.7°F).
The month with the lowest average high temperature is December (42.4°F).

  • Average low temperature in February: 33.1°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).

Average pressure in February
Castle Rock, WA

Average pressure in February - Castle Rock, WA
  • Average pressure in February: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in February
Castle Rock, WA

Average wind speed in February - Castle Rock, WA
  • Average wind speed in February: 4.4mph

The windiest month (with the highest average wind speed) is January (4.8mph).
The calmest months (with the lowest average wind speed) are August and September (3.7mph).

Average humidity in February
Castle Rock, WA

Average humidity in February - Castle Rock, WA
  • Average humidity in February: 89%

The months with the highest relative humidity are February and November (89%).
The months with the lowest relative humidity are July and August (73%).

Average rainfall in February
Castle Rock, WA

Average rainfall in February - Castle Rock, WA
  • Average rainfall in February: 1.65"

The wettest month (with the highest rainfall) is January (2.28").
The driest month (with the least rainfall) is August (0.31").

Average rainfall days in February
Castle Rock, WA

Average rainfall days in February - Castle Rock, WA
  • Average rainfall days in February: 14.7 days

The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is July (6.1 days).

Average snowfall in February
Castle Rock, WA

Average snowfall in February - Castle Rock, WA
  • Average snowfall in February: 1.02"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in February
Castle Rock, WA

Average snowfall days in February - Castle Rock, WA
  • Average snowfall days in February: 2.4 days

The month with the highest number of snowfall days is February (2.4 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
Castle Rock, WA

Average daylight in February / Average sunshine in February - Castle Rock, WA
  • Average daylight in February: 10h and 2min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in February: 3h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in February
Castle Rock, WA

Average sunshine days in February - Castle Rock, WA
  • Average sunshine days in February: 10.6 days

The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is April (10.5 days).

Average UV index in February
Castle Rock, WA

Average UV index in February - Castle Rock, WA
  • Average UV index in February: 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).

Average cloud cover in February
Castle Rock, WA

Average cloud cover in February - Castle Rock, WA
  • Average cloud cover in February: 65

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in February
Castle Rock, WA

Average visibility in February - Castle Rock, WA
  • Average visibility in February: 4mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).

Castle Rock, Washington, USA

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