January weather forecast
Darrington, WA

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Weather in January

January is an icy winter month in Darrington, Washington, with an average temperature ranging between min 21.9°F (-5.6°C) and max 32.9°F (0.5°C).

Temperature

Darrington starts January with an average high-temperature of a wintry 32.9°F (0.5°C), hinting at a minimal fluctuation from December. Darrington observes an average low-temperature of 21.9°F (-5.6°C) during January nights.

Humidity

The months with the highest humidity are January through March, with an average relative humidity of 91%.

Rainfall

January is the month with the most rainfall. Rain falls for 4.6 days and accumulates 9.25" (235mm) of precipitation.

Snowfall

Months with snowfall are January through June, September through December. The month with the most snowfall is January, when snow falls for 19.3 days and typically aggregates up to 71.57" (1818mm) of snow.

Daylight

The average length of the day in January is 8h and 53min.
On the first day of January, sunrise is at 7:57 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:03 pm PST.

Sunshine

With an average of 3.7h of sunshine, January has the least sunshine of the year.

UV index

January, February, October and November, with an average maximum UV index of 1, are months with the lowest UV index in Darrington. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 1 in January translates into the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Experience reduced UV exposure by about half when donning a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

January temperatures vary between a high-temperature of 32.9°F (0.5°C) and a low-temperature of 21.9°F (-5.6°C).

What is the most humid month?

January through March, with an average relative humidity of 91%, are most humid months.

What is the average humidity in January?

In Darrington, the average relative humidity in January is 91%.

What is the rainiest month?

The month with the most rainfall is January, when the rain falls for 4.6 days and typically aggregates up to 9.25" (235mm) of precipitation.

How many days does it rain in January?

In Darrington, in January, it is raining for 4.6 days, with typically 9.25" (235mm) of accumulated precipitation.

When does it snow the most?

The month with the most snowfall in Darrington is January, when snow falls for 19.3 days and typically aggregates up to 71.57" (1818mm) of snow.

How much does it snow in January?

In Darrington, in January, during 19.3 snowfall days, 71.57" (1818mm) of snow is typically accumulated.

How many hours of daylight does Darrington have in January?

In January, the average day length is 8h and 53min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:57 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:03 pm PST.

What is the month with the least sunshine?

January has the least sunshine of the year in Darrington, with an average of 3.7h of sunshine.

How many hours of sunshine does Darrington have in January?

In Darrington, the average sunshine duration in January is 3.7h.

When is the lowest UV index?

The months with the lowest UV index are January, February, October and November, with an average maximum UV index of 1.

How high is the UV index in January in Darrington?

In Darrington, the average daily maximum UV index in January is 1. 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Darrington, WA

Average temperature in January - Darrington, WA
  • Average high temperature in January: 32.9°F

The warmest month (with the highest average high temperature) is August (71.2°F).
The month with the lowest average high temperature is December (30.7°F).

  • Average low temperature in January: 21.9°F

The month with the highest average low temperature is August (43.7°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).

Average pressure in January
Darrington, WA

Average pressure in January - Darrington, WA
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in January
Darrington, WA

Average wind speed in January - Darrington, WA
  • Average wind speed in January: 4.7mph

The windiest month (with the highest average wind speed) is January (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

Average humidity in January
Darrington, WA

Average humidity in January - Darrington, WA
  • Average humidity in January: 91%

The months with the highest relative humidity are January, February and March (91%).
The months with the lowest relative humidity are July and August (71%).

Average rainfall in January
Darrington, WA

Average rainfall in January - Darrington, WA
  • Average rainfall in January: 9.25"

The wettest month (with the highest rainfall) is January (9.25").
The driest month (with the least rainfall) is August (0.87").

Average rainfall days in January
Darrington, WA

Average rainfall days in January - Darrington, WA
  • Average rainfall days in January: 4.6 days

The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in January
Darrington, WA

Average snowfall in January - Darrington, WA
  • Average snowfall in January: 71.57"

The month with the highest snowfall is January (71.57").
The months with the least snowfall are July and August (0").

Average snowfall days in January
Darrington, WA

Average snowfall days in January - Darrington, WA
  • Average snowfall days in January: 19.3 days

The month with the highest number of snowfall days is March (22.8 days).
The month with the least snowfall days is August (0 days).

Average daylight in January /
Average sunshine in January
Darrington, WA

Average daylight in January / Average sunshine in January - Darrington, WA
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 3h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in January
Darrington, WA

Average sunshine days in January - Darrington, WA
  • Average sunshine days in January: 11.2 days

The month with the most sunshine days is August (18.1 days).
The month with the least sunshine days is April (6.5 days).

Average UV index in January
Darrington, WA

Average UV index in January - Darrington, WA
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October and November (UV index 1).

Average cloud cover in January
Darrington, WA

Average cloud cover in January - Darrington, WA
  • Average cloud cover in January: 60

The month with the most cloud cover is March (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in January
Darrington, WA

Average visibility in January - Darrington, WA
  • Average visibility in January: 3mi

The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January and March (3mi).

Darrington, Washington, USA

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