January weather forecast
Clinton, WA

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Weather in January

January in Clinton, Washington, is a chilly winter month, with an average temperature ranging between min 36.7°F (2.6°C) and max 45°F (7.2°C).

Temperature

The beginning of January records an average high-temperature of a chilly 45°F (7.2°C), almost echoing the conditions of the previous month. Clinton records a slight downturn in temperature to an average of 36.7°F (2.6°C) during January nights.

Humidity

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

Rainfall

In Clinton, during January, the rain falls for 18 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 173.1 rainfall days, and 26.02" (661mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Clinton, in January, during 2.7 snowfall days, 1.73" (44mm) of snow is typically accumulated. Throughout the year, there are 16.3 snowfall days, and 10.08" (256mm) of snow is accumulated.

Daylight

The average length of the day in January in Clinton is 8h and 55min.
On the first day of January in Clinton, sunrise is at 7:59 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:07 pm PST.

Sunshine

January has the least sunshine of the year, with an average of 4.4h 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 minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, the UV index of 2 transforms into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average January temperature?

During January, Clinton experiences an average high-temperature of 45°F (7.2°C) and a low-temperature of 36.7°F (2.6°C).

What is the average humidity in January?

The average relative humidity in January is 83%.

How much does it rain in January?

In January, the rain falls for 18 days. Throughout January, 3.43" (87mm) of precipitation is accumulated.

How many days does it snow in January?

In Clinton, in January, during 2.7 snowfall days, 1.73" (44mm) of snow is typically accumulated.

What is the average length of the day in January?

In Clinton, the average day length in January is 8h and 55min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:59 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:07 pm PST.

What is the month with the least sunshine?

With an average of 4.4h of sunshine, January has the least sunshine of the year.

How many hours of sunshine does Clinton have in January?

In Clinton, the average sunshine duration in January is 4.4h.

When is the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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 January
Clinton, WA

Average temperature in January - Clinton, WA
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).

  • Average low temperature in January: 36.7°F

The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).

Average pressure in January
Clinton, WA

Average pressure in January - Clinton, WA
  • Average pressure in January: 30.09"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).

Average wind speed in January
Clinton, WA

Average wind speed in January - Clinton, WA
  • Average wind speed in January: 6mph

The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in January
Clinton, WA

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

The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).

Average rainfall in January
Clinton, WA

Average rainfall in January - Clinton, WA
  • Average rainfall in January: 3.43"

The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in January
Clinton, WA

Average rainfall days in January - Clinton, WA
  • Average rainfall days in January: 18 days

The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in January
Clinton, WA

Average snowfall in January - Clinton, WA
  • Average snowfall in January: 1.73"

The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Clinton, WA

Average snowfall days in January - Clinton, WA
  • Average snowfall days in January: 2.7 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in January / Average sunshine in January - Clinton, 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 30min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).

Average sunshine days in January
Clinton, WA

Average sunshine days in January - Clinton, WA
  • Average sunshine days in January: 10.6 days

The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).

Average UV index in January
Clinton, WA

Average UV index in January - Clinton, WA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in January
Clinton, WA

Average cloud cover in January - Clinton, WA
  • Average cloud cover in January: 53

The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Clinton, WA

Average visibility in January - Clinton, 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).

Clinton, Washington, USA

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