January weather forecast
Pacific, WA

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Weather in January

January is a chilly winter month in Pacific, Washington, with an average temperature ranging between max 43.9°F (6.6°C) and min 33.8°F (1°C).

Temperature

The arrival of January coincides with an average high-temperature of a chilly 43.9°F (6.6°C), indicating a minimal shift from December's 41.9°F (5.5°C). Throughout January nights, Pacific experiences a consistent temperature average of 33.8°F (1°C).

Humidity

The months with the highest humidity in Pacific are January, February and December, with an average relative humidity of 86%.

Rainfall

January is the month with the most rainfall. Rain falls for 15.6 days and accumulates 2.6" (66mm) of precipitation.

Snowfall

Months with snowfall in Pacific are January through April, November and December. In Pacific, Washington, in January, during 1.6 snowfall days, 0.55" (14mm) of snow is typically accumulated. Throughout the year, in Pacific, there are 8.4 snowfall days, and 2.24" (57mm) of snow is accumulated.

Daylight

In Pacific, the average length of the day in January is 9h and 0min.
On the first day of the month, sunrise is at 7:55 am and sunset at 4:29 pm. On the last day of January, in Pacific, sunrise is at 7:35 am and sunset at 5:08 pm PST.

Sunshine

The months with the least sunshine in Pacific are January and December, with an average of 4.3h of sunshine.

UV index

The months with the lowest UV index in Pacific, Washington, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold in Pacific during January?

Pacific in January has an average high-temperature of 43.9°F (6.6°C) and an average low-temperature of 33.8°F (1°C).

What are the most humid months in Pacific?

The months with the highest humidity in Pacific are January, February and December, with an average relative humidity of 86%.

What is the average humidity in January in Pacific?

The average relative humidity in January in Pacific, Washington, is 86%.

What is the rainiest month in Pacific?

The month with the most rainfall in Pacific, Washington, is January, when the rain falls for 15.6 days and typically aggregates up to 2.6" (66mm) of precipitation.

How much does it rain in Pacific in January?

In Pacific, Washington, in January, it is raining for 15.6 days, with typically 2.6" (66mm) of accumulated precipitation.

How many days does it snow in January in Pacific?

In Pacific, Washington, in January, snow falls for 1.6 days, with typically accumulated 0.55" (14mm) of snow.

What is the average length of the day in January in Pacific?

In January, the average day length in Pacific is 9h and 0min.

What time are sunrise and sunset in January in Pacific?

On the first day of January, sunrise is at 7:55 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:08 pm PST.

What is the month with the least sunshine in Pacific?

The months with the least sunshine in Pacific, Washington, are January and December, with an average of 4.3h of sunshine.

How many hours of sunshine does Pacific have in January?

In January, the average sunshine duration in Pacific is 4.3h.

When is the lowest UV index in Pacific?

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

What is the UV index intensity in January in Pacific?

In Pacific, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Pacific, WA

Average temperature in January - Pacific, WA
  • Average high temperature in January: 43.9°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in January: 33.8°F

The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).

Average pressure in January
Pacific, WA

Average pressure in January - Pacific, WA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in January
Pacific, WA

Average wind speed in January - Pacific, WA
  • Average wind speed in January: 4.9mph

The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).

Average humidity in January
Pacific, WA

Average humidity in January - Pacific, WA
  • Average humidity in January: 86%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (69%).

Average rainfall in January
Pacific, WA

Average rainfall in January - Pacific, WA
  • Average rainfall in January: 2.6"

The wettest month (with the highest rainfall) is January (2.6").
The driest month (with the least rainfall) is July (0.39").

Average rainfall days in January
Pacific, WA

Average rainfall days in January - Pacific, WA
  • Average rainfall days in January: 15.6 days

The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in January
Pacific, WA

Average snowfall in January - Pacific, WA
  • Average snowfall in January: 0.55"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Pacific, WA

Average snowfall days in January - Pacific, WA
  • Average snowfall days in January: 1.6 days

The month with the highest number of snowfall days is February (2.7 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
Pacific, WA

Average daylight in January / Average sunshine in January - Pacific, 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 2min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).

Average sunshine days in January
Pacific, WA

Average sunshine days in January - Pacific, WA
  • Average sunshine days in January: 12.5 days

The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in January
Pacific, WA

Average UV index in January - Pacific, 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
Pacific, WA

Average cloud cover in January - Pacific, WA
  • Average cloud cover in January: 56

The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).

Average visibility in January
Pacific, WA

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

The months with the highest visibility are July and August (6mi).
The month with the lowest visibility is December (4mi).

Pacific, Washington, USA

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