January weather forecast
Cowiche, WA

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Weather in January

January, the same as December, is another cold winter month in Cowiche, Washington, with an average temperature ranging between max 36.1°F (2.3°C) and min 25.5°F (-3.6°C).

Temperature

In January, Cowiche experiences a minor shift in meteorological conditions with average high-temperatures marked at a still wintry 36.1°F (2.3°C), closely mirroring the climate in December. Cowiche witnesses an average low-temperature of 25.5°F (-3.6°C) throughout the month of January.

Humidity

The most humid month in Cowiche is January, with an average relative humidity of 83%.

Rainfall

In Cowiche, in January, it is raining for 10.5 days, with typically 0.83" (21mm) of accumulated precipitation. In Cowiche, Washington, during the entire year, the rain falls for 87.6 days and collects up to 5.94" (151mm) of precipitation.

Snowfall

Months with snowfall in Cowiche are January through April, September, November and December. In January, in Cowiche, it is snowing for 4.4 days. Throughout January, 1.89" (48mm) of snow is accumulated. In Cowiche, during the entire year, snow falls for 19.9 days and aggregates up to 8.62" (219mm) of snow.

Daylight

The average length of the day in January is 9h and 4min.
On the first day of January in Cowiche, sunrise is at 7:47 am and sunset at 4:25 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:04 pm PST.

Sunshine

January has the least sunshine of the year in Cowiche, with an average of 5.5h 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 exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 2 in January transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

How cold is January in Cowiche?

In January, in Cowiche, the average high-temperature is 36.1°F (2.3°C), and the average low-temperature is 25.5°F (-3.6°C).

What is the most humid month in Cowiche?

With an average relative humidity of 83%, January is the most humid month.

What is the average humidity in January in Cowiche?

In Cowiche, the average relative humidity in January is 83%.

How much does it rain in Cowiche in January?

In Cowiche, Washington, during January, the rain falls for 10.5 days and regularly aggregates up to 0.83" (21mm) of precipitation.

How many days does it snow in January in Cowiche?

In Cowiche, Washington, during January, snow falls for 4.4 days and regularly aggregates up to 1.89" (48mm) of snow.

How many hours of daylight does Cowiche have in January?

In January, the average day length is 9h and 4min.

When is the sunrise / sunset in January in Cowiche?

In January, on the first day of the month, sunrise is at 7:47 am and sunset at 4:25 pm. On the last day of the month, in Cowiche, sunrise is at 7:28 am and sunset at 5:04 pm PST.

What is the month with the least sunshine in Cowiche?

With an average of 5.5h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Cowiche have in January?

The average sunshine duration in January in Cowiche is 5.5h.

What is the month with the lowest UV index in Cowiche?

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

How high is the UV index in January in Cowiche?

The average daily maximum UV index in January is 2. A UV Index reading 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 January
Cowiche, WA

Average temperature in January - Cowiche, WA
  • Average high temperature in January: 36.1°F

The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in January: 25.5°F

The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).

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Average pressure in January
Cowiche, WA

Average pressure in January - Cowiche, 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
Cowiche, WA

Average wind speed in January - Cowiche, WA
  • Average wind speed in January: 4.3mph

The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).

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Average humidity in January
Cowiche, WA

Average humidity in January - Cowiche, WA
  • Average humidity in January: 83%

The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).

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Average rainfall in January
Cowiche, WA

Average rainfall in January - Cowiche, WA
  • Average rainfall in January: 0.83"

The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in January
Cowiche, WA

Average rainfall days in January - Cowiche, WA
  • Average rainfall days in January: 10.5 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).

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Average snowfall in January
Cowiche, WA

Average snowfall in January - Cowiche, WA
  • Average snowfall in January: 1.89"

The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").

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Average snowfall days in January
Cowiche, WA

Average snowfall days in January - Cowiche, WA
  • Average snowfall days in January: 4.4 days

The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).

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

Average daylight in January / Average sunshine in January - Cowiche, WA
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 5h and 3min

The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).

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Average sunshine days in January
Cowiche, WA

Average sunshine days in January - Cowiche, WA
  • Average sunshine days in January: 16.7 days

The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).

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Average UV index in January
Cowiche, WA

Average UV index in January - Cowiche, 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, November and December (UV index 2).

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Average cloud cover in January
Cowiche, WA

Average cloud cover in January - Cowiche, WA
  • Average cloud cover in January: 40

The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).

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Average visibility in January
Cowiche, WA

Average visibility in January - Cowiche, WA
  • Average visibility in January: 5mi

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

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Cowiche, Washington, USA

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