January weather - Winter 2024

Weather in January
Frequently asked questions
Average temperature in January
Average pressure in January
Average wind speed in January
Average humidity in January
Average rainfall in January
Average rainfall days in January
Average snowfall in January
Average snowfall days in January
Average daylight in January
Average sunshine in January
Average sunshine days in January
Average UV index in January
Average cloud cover in January
Average visibility in January

The pink sunrise sky over the iconic Pasco Bridge across the glassy calm waters near Pasco, Washington

Weather in January

The winter chill continues into January in Pasco, Washington, making it the coldest month of the year on record. Expect layers of clothing and heated rooms indispensable for January nights. Snowfall is infrequent but possible with 0.94" (24mm) average being recorded. Compared to later months, daylight durations are short, thus limiting outdoor activities. However, January bears the brunt of winter and it anticipates a gradual transition to warmer temperatures in the coming months.

Temperature

The dawn of January sees an average high-temperature of a still icy 39°F (3.9°C), subtly contrasting with December's 37.8°F (3.2°C). Pasco's temperature tends to fall to an average low of 28.8°F (-1.8°C) during the nights of January.

Humidity

January is the most humid month, with an average relative humidity of 80%.

Rainfall

The month with the most rainfall in Pasco is January, when the rain falls for 11.4 days and typically aggregates up to 0.94" (24mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Pasco, in January, during 2.3 snowfall days, 0.94" (24mm) of snow is typically accumulated. Throughout the year, there are 11 snowfall days, and 4.53" (115mm) of snow is accumulated.

Daylight

In Pasco, Washington, the average length of the day in January is 9h and 7min.
On the first day of January in Pasco, sunrise is at 7:39 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:59 pm PST.

Sunshine

The month with the least sunshine is January, with an average of 5.4h of sunshine.

UV index

The months with the lowest UV index in Pasco 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 unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In January, the UV index of 2 transforms into the following advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

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Frequently asked questions

How cold does it get in Pasco in January?

In January, in Pasco, the average high-temperature is 39°F (3.9°C), and the average low-temperature is 28.8°F (-1.8°C).

What is the most humid month in Pasco?

January is the most humid month in Pasco, Washington, with an average relative humidity of 80%.

What is the average humidity in January in Pasco?

In Pasco, the average relative humidity in January is 80%.

What is the rainiest month in Pasco?

The month with the most rainfall in Pasco is January, when the rain falls for 11.4 days and typically aggregates up to 0.94" (24mm) of precipitation.

How many days does it rain in January in Pasco?

In Pasco, Washington, in January, it is raining for 11.4 days, with typically 0.94" (24mm) of accumulated precipitation.

How much does it snow in Pasco in January?

In Pasco, Washington, in January, snow falls for 2.3 days, with typically accumulated 0.94" (24mm) of snow.

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

The average day length in January is 9h and 7min.

When are sunrise and sunset in January in Pasco?

On the first day of January in Pasco, sunrise is at 7:39 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:59 pm PST.

What is the month with the least sunshine in Pasco?

The month with the least sunshine is January, with an average of 5.4h of sunshine.

How long on average sun shines in January in Pasco?

In Pasco, the average sunshine duration in January is 5.4h.

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

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

How high is the UV index in January in Pasco?

The average daily maximum UV index in January in Pasco, Washington, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

37.8°F 3.2°C

39°F 3.9°C

44.8°F 7.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.4mph 10.3km/h

6.8mph 10.9km/h

7.6mph 12.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.2

16.3

14.7

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Pasco, WA

Average high temperature in January: 39°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is December (37.8°F).

Average low temperature in January: 28.8°F

The month with the highest average low temperature is August (64°F).
The coldest month (with the lowest average low temperature) is December (27.7°F).

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Average pressure in January
Pasco, WA

Average pressure in January: 30.19"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).

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Average wind speed in January
Pasco, WA

Average wind speed in January: 6.2mph

The windiest month (with the highest average wind speed) is April (8.4mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).

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Average humidity in January
Pasco, WA

Average humidity in January: 80%

The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (35%).

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Average rainfall in January
Pasco, WA

Average rainfall in January: 0.94"

The wettest month (with the highest rainfall) is January (0.94").
The driest month (with the least rainfall) is July (0.2").

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Average rainfall days in January
Pasco, WA

Average rainfall days in January: 11.4 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.5 days).

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Average snowfall in January
Pasco, WA

Average snowfall in January: 0.94"

The month with the highest snowfall is February (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
Pasco, WA

Average snowfall days in January: 2.3 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

Average sunshine in January: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

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Average sunshine days in January
Pasco, WA

Average sunshine days in January: 16.3 days

The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is February (14.7 days).

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Average UV index in January
Pasco, 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
Pasco, WA

Average cloud cover in January: 44

The month with the most cloud cover is January (Cloud cover 44).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in January
Pasco, WA

Average visibility in January: 6mi

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

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January weather forecast
Pasco, WA

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