January weather forecast
Chelan Falls, WA

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Weather in January

January, like December, is another subzero cold winter month in Chelan Falls, Washington, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 19°F (-7.2°C).

Temperature

December's transformation into January witnesses an average high-temperature of a still freezing cold 30.9°F (-0.6°C), noting a minor change from the preceding month. January brings with it a nighttime average temperature of 19°F (-7.2°C) in Chelan Falls.

Humidity

January is the most humid month in Chelan Falls, with an average relative humidity of 90%.

Rainfall

In January, in Chelan Falls, the rain falls for 8.6 days. Throughout January, 1.5" (38mm) of precipitation is accumulated. Throughout the year, in Chelan Falls, there are 99.9 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Chelan Falls are January through April, September through December. In January, it is snowing for 12 days. Throughout January, 7.87" (200mm) of snow is accumulated. Throughout the year, in Chelan Falls, there are 48.7 snowfall days, and 28.62" (727mm) of snow is accumulated.

Daylight

In Chelan Falls, the average length of the day in January is 8h and 56min.
On the first day of the month, sunrise is at 7:48 am and sunset at 4:18 pm. On the last day of January, in Chelan Falls, Washington, sunrise is at 7:28 am and sunset at 4:58 pm PST.

Sunshine

January has the least sunshine of the year in Chelan Falls, with an average of 4.1h of sunshine.

UV index

The months with the lowest UV index in Chelan Falls are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

How cold is January in Chelan Falls?

The average high-temperature and low-temperature in Chelan Falls during January are 30.9°F (-0.6°C) and 19°F (-7.2°C) respectively.

What is the most humid month in Chelan Falls?

With an average relative humidity of 90%, January is the most humid month in Chelan Falls, Washington.

What is the average humidity in January in Chelan Falls?

In January, the average relative humidity in Chelan Falls is 90%.

How much does it rain in Chelan Falls in January?

In Chelan Falls, in January, during 8.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How many days does it snow in January in Chelan Falls?

In Chelan Falls, in January, snow falls for 12 days, with typically accumulated 7.87" (200mm) of snow.

What is the average length of the day in January in Chelan Falls?

The average day length in January is 8h and 56min.

What time are sunrise and sunset in January in Chelan Falls?

On the first day of January, sunrise is at 7:48 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:58 pm PST.

What is the month with the least sunshine in Chelan Falls?

The month with the least sunshine in Chelan Falls, Washington, is January, with an average of 4.1h of sunshine.

How long on average sun shines in January in Chelan Falls?

In Chelan Falls, the average sunshine duration in January is 4.1h.

What are the months with the lowest UV index in Chelan Falls?

The months with the lowest UV index in Chelan Falls, Washington, are January through March, October through December, with an average maximum UV index of 2.

How high is the UV index in January in Chelan Falls?

The average daily maximum UV index in January in Chelan Falls, Washington, is 2. A UV Index estimate of 2, and below, represents a low health threat from unprotected exposure to 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 January
Chelan Falls, WA

Average temperature in January - Chelan Falls, WA
  • Average high temperature in January: 30.9°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).

  • Average low temperature in January: 19°F

The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).

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Average pressure in January
Chelan Falls, WA

Average pressure in January - Chelan Falls, WA
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

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Average wind speed in January
Chelan Falls, WA

Average wind speed in January - Chelan Falls, WA
  • Average wind speed in January: 3.5mph

The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).

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Average humidity in January
Chelan Falls, WA

Average humidity in January - Chelan Falls, WA
  • Average humidity in January: 90%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).

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Average rainfall in January
Chelan Falls, WA

Average rainfall in January - Chelan Falls, WA
  • Average rainfall in January: 1.5"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in January
Chelan Falls, WA

Average rainfall days in January - Chelan Falls, WA
  • Average rainfall days in January: 8.6 days

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

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Average snowfall in January
Chelan Falls, WA

Average snowfall in January - Chelan Falls, WA
  • Average snowfall in January: 7.87"

The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in January
Chelan Falls, WA

Average snowfall days in January - Chelan Falls, WA
  • Average snowfall days in January: 12 days

The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).

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Average daylight in January /
Average sunshine in January
Chelan Falls, WA

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

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 January: 4h and 1min

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 6min).

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Average sunshine days in January
Chelan Falls, WA

Average sunshine days in January - Chelan Falls, WA
  • Average sunshine days in January: 14.4 days

The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).

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Average UV index in January
Chelan Falls, WA

Average UV index in January - Chelan Falls, WA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in January
Chelan Falls, WA

Average cloud cover in January - Chelan Falls, WA
  • Average cloud cover in January: 54

The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).

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Average visibility in January
Chelan Falls, WA

Average visibility in January - Chelan Falls, WA
  • Average visibility in January: 4mi

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

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Chelan Falls, Washington, USA

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