January weather forecast
Cascade Valley, WA

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Weather in January

January, like December, in Cascade Valley, Washington, is another cold winter month, with an average temperature fluctuating between 34.9°F (1.6°C) and 25.3°F (-3.7°C).

Temperature

Entering January, the average high-temperature is recorded at a still cold 34.9°F (1.6°C), exhibiting a minimal shift from December's 34°F (1.1°C). During January, Cascade Valley sees a mean low-temperature of 25.3°F (-3.7°C).

Humidity

January is the most humid month, with an average relative humidity of 85%.

Rainfall

January is the month with the most rainfall. Rain falls for 11.1 days and accumulates 1.02" (26mm) of precipitation.

Snowfall

January through April, September, November and December are months with snowfall. In Cascade Valley, in January, snow falls for 5.5 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, there are 20.9 snowfall days, and 8.07" (205mm) of snow is accumulated.

Daylight

In Cascade Valley, the average length of the day in January is 9h and 1min.
On the first day of the month, sunrise is at 7:43 am and sunset at 4:18 pm. On the last day of January, sunrise is at 7:23 am and sunset at 4:57 pm PST.

Sunshine

The month with the least sunshine is January, with an average of 4.9h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily high UV index of 2 in January leads to these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is January?

In January, the average high-temperature and low-temperature are 34.9°F (1.6°C) and 25.3°F (-3.7°C) respectively.

What is the most humid month?

January is the most humid month in Cascade Valley, Washington, with an average relative humidity of 85%.

What is the average humidity in January?

The average relative humidity in January is 85%.

What is the wettest month?

The month with the most rainfall is January, when the rain falls for 11.1 days and typically aggregates up to 1.02" (26mm) of precipitation.

How many days does it rain in January?

In Cascade Valley, in January, it is raining for 11.1 days, with typically 1.02" (26mm) of accumulated precipitation.

How many days does it snow in January in Cascade Valley?

In Cascade Valley, during January, snow falls for 5.5 days and regularly aggregates up to 1.73" (44mm) of snow.

How many hours of daylight does Cascade Valley have in January?

In January, the average day length is 9h and 1min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:43 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:57 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 4.9h of sunshine.

How many hours of sunshine does Cascade Valley have in January?

In Cascade Valley, the average sunshine duration in January is 4.9h.

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 reading in January?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes 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
Cascade Valley, WA

Average temperature in January - Cascade Valley, WA
  • Average high temperature in January: 34.9°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is December (34°F).

  • Average low temperature in January: 25.3°F

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

Average pressure in January
Cascade Valley, WA

Average pressure in January - Cascade Valley, WA
  • Average pressure in January: 30.17"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

Average wind speed in January
Cascade Valley, WA

Average wind speed in January - Cascade Valley, WA
  • Average wind speed in January: 5.5mph

The windiest month (with the highest average wind speed) is April (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5.5mph).

Average humidity in January
Cascade Valley, WA

Average humidity in January - Cascade Valley, WA
  • Average humidity in January: 85%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are July and August (36%).

Average rainfall in January
Cascade Valley, WA

Average rainfall in January - Cascade Valley, WA
  • Average rainfall in January: 1.02"

The wettest month (with the highest rainfall) is January (1.02").
The driest month (with the least rainfall) is August (0.2").

Average rainfall days in January
Cascade Valley, WA

Average rainfall days in January - Cascade Valley, WA
  • Average rainfall days in January: 11.1 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.8 days).

Average snowfall in January
Cascade Valley, WA

Average snowfall in January - Cascade Valley, WA
  • Average snowfall in January: 1.73"

The month with the highest snowfall is December (2.6").
The months with the least snowfall are May, June, July, August and October (0").

Average snowfall days in January
Cascade Valley, WA

Average snowfall days in January - Cascade Valley, WA
  • Average snowfall days in January: 5.5 days

The month with the highest number of snowfall days is December (6.8 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

Average daylight in January /
Average sunshine in January
Cascade Valley, WA

Average daylight in January / Average sunshine in January - Cascade Valley, WA
  • Average daylight in January: 9h and 0min

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 36min).

  • Average sunshine in January: 4h and 5min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in January
Cascade Valley, WA

Average sunshine days in January - Cascade Valley, WA
  • Average sunshine days in January: 15.8 days

The month with the most sunshine days is July (25.8 days).
The month with the least sunshine days is March (14.2 days).

Average UV index in January
Cascade Valley, WA

Average UV index in January - Cascade Valley, WA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Cascade Valley, WA

Average cloud cover in January - Cascade Valley, WA
  • Average cloud cover in January: 49

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 11).

Average visibility in January
Cascade Valley, WA

Average visibility in January - Cascade Valley, WA
  • Average visibility in January: 5mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).

Cascade Valley, Washington, USA

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