January weather forecast
Yakima, WA

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The sweetly illuminated city of Yakima, Washington
The sweetly illuminated city of Yakima, Washington

Weather in January

Yakima, Washington, greets in the New Year with chilly temperatures and relatively high humidity. The lowest temperatures of the year are in January, hitting lows of 26.6°F (-3°C) and highs of 37.6°F (3.1°C). This chill is accompanied by a poise and serenity in the surrounding nature. Statistically, tourists prefer to visit Yakima during the warmer months, but the brave few who do venture in January laud the stunning sight of the town blanketed in snow. Often, biting winds and patches of frosting on windows are signature features of Yakima's January mornings.

Temperature

January's advent in Yakima presents an average high-temperature of a still wintry 37.6°F (3.1°C), indicating a slight variation from the conditions of the previous month. An average nighttime temperature of 26.6°F (-3°C) is recorded during January.

Humidity

The most humid month is January, with an average relative humidity of 81%.

Rainfall

The month with the most rainfall in Yakima is January, when the rain falls for 10.3 days and typically aggregates up to 0.87" (22mm) of precipitation.

Snowfall

January through March, September, November and December are months with snowfall in Yakima, Washington. In Yakima, in January, snow falls for 4.5 days, with typically accumulated 2.05" (52mm) of snow. In Yakima, during the entire year, snow falls for 18.5 days and aggregates up to 7.8" (198mm) of snow.

Daylight

In January, the average length of the day in Yakima, Washington, is 9h and 4min.
On the first day of the month, sunrise is at 7:46 am and sunset at 4:24 pm. On the last day of January, in Yakima, sunrise is at 7:27 am and sunset at 5:03 pm PST.

Sunshine

The month with the least sunshine in Yakima is January, with an average of 5.6h 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 2 in January suggests the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

How cold is it in Yakima in January?

The average high-temperature and low-temperature in Yakima during January are 37.6°F (3.1°C) and 26.6°F (-3°C) respectively.

What is the most humid month in Yakima?

The most humid month is January, with an average relative humidity of 81%.

What is the average humidity in January in Yakima?

In January, the average relative humidity in Yakima is 81%.

What is the rainiest month in Yakima?

The month with the most rainfall in Yakima is January, when the rain falls for 10.3 days and typically aggregates up to 0.87" (22mm) of precipitation.

How much does it rain in Yakima in January?

In January, the rain falls for 10.3 days. Throughout January, 0.87" (22mm) of precipitation is accumulated.

How many days does it snow in January in Yakima?

In January, in Yakima, Washington, it is snowing for 4.5 days. Throughout January, 2.05" (52mm) of snow is accumulated.

How many hours of daylight does Yakima have in January?

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

What time are sunrise and sunset in January in Yakima?

On the first day of January in Yakima, Washington, sunrise is at 7:46 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:03 pm PST.

What is the month with the least sunshine in Yakima?

With an average of 5.6h of sunshine, January has the least sunshine of the year.

How long on average sun shines in January in Yakima?

In Yakima, the average sunshine duration in January is 5.6h.

What are the months with the lowest UV index in Yakima?

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

How high is the UV index in January in Yakima?

The average daily maximum UV index in January in Yakima, Washington, is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Yakima, WA

Average temperature in January - Yakima, WA
  • Average high temperature in January: 37.6°F

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (36.9°F).

  • Average low temperature in January: 26.6°F

The month with the highest average low temperature is August (60.3°F).
The coldest month (with the lowest average low temperature) is December (25.5°F).

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Average pressure in January
Yakima, WA

Average pressure in January - Yakima, 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
Yakima, WA

Average wind speed in January - Yakima, WA
  • Average wind speed in January: 4.5mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is December (4.4mph).

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Average humidity in January
Yakima, WA

Average humidity in January - Yakima, WA
  • Average humidity in January: 81%

The month with the highest relative humidity is January (81%).
The months with the lowest relative humidity are July and August (39%).

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Average rainfall in January
Yakima, WA

Average rainfall in January - Yakima, WA
  • Average rainfall in January: 0.87"

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

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Average rainfall days in January
Yakima, WA

Average rainfall days in January - Yakima, WA
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (2 days).

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Average snowfall in January
Yakima, WA

Average snowfall in January - Yakima, WA
  • Average snowfall in January: 2.05"

The month with the highest snowfall is December (2.76").
The months with the least snowfall are April, May, June, July, August and October (0").

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Average snowfall days in January
Yakima, WA

Average snowfall days in January - Yakima, WA
  • Average snowfall days in January: 4.5 days

The month with the highest number of snowfall days is December (5.4 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
Yakima, WA

Average daylight in January / Average sunshine in January - Yakima, 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 4min

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 36min).

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Average sunshine days in January
Yakima, WA

Average sunshine days in January - Yakima, WA
  • Average sunshine days in January: 17 days

The month with the most sunshine days is July (27.5 days).
The month with the least sunshine days is February (15.8 days).

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Average UV index in January
Yakima, WA

Average UV index in January - Yakima, 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).

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Average cloud cover in January
Yakima, WA

Average cloud cover in January - Yakima, 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
Yakima, WA

Average visibility in January - Yakima, 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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Yakima, Washington, USA

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