January weather forecast
Tacoma, WA

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The city of Tacoma, Washington lit perfectly in the night
The city of Tacoma, Washington lit perfectly in the night

Weather in January

Snow blankets Tacoma, Washington in January making it the city's primary season for snowfall. The temperatures hover between lows of 35.2°F (1.8°C) and highs reaching 45.5°F (7.5°C), indicating a chilly start to the year. The snowfall is complemented by notable rainfall reaching 4.53" (115mm), rendering the cityscape a wonderland of white and grey. This period is defined by the shortest daylight duration, which significantly reshapes residents daily routines. The restrictive weather pattern calls for indoor activities, warm clothing and hot beverages.

Temperature

In January, the average high-temperature registers at a still chilly 45.5°F (7.5°C), nearly identical to December's 43.7°F (6.5°C). During January, the average low-temperature in Tacoma is a wintry 35.2°F (1.8°C).

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 87%.

Rainfall

In Tacoma, during January, the rain falls for 18.3 days and regularly aggregates up to 4.53" (115mm) of precipitation. Throughout the year, there are 172.9 rainfall days, and 30.08" (764mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Tacoma, in January, snow falls for 1.9 days, with typically accumulated 1.26" (32mm) of snow. Throughout the year, in Tacoma, there are 8.9 snowfall days, and 5.04" (128mm) of snow is accumulated.

Ocean temperature

In Tacoma, the average seawater temperature in January is 46°F (7.8°C).
Note: Swimming in 46°F (7.8°C) feels unbearing at 55.4°F (13°C) and can be life-risking below 50°F (10°C), causing breathing issues and cold shock, depending on a person's capacity.

Daylight

The average length of the day in January in Tacoma, Washington, is 9h and 0min.
On the first day of the month, sunrise is at 7:56 am and sunset at 4:30 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:09 pm PST.

Sunshine

In January, the average sunshine in Tacoma is 4.2h.

UV index

The months with the lowest UV index in Tacoma are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in January translates into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What are the temperatures in Tacoma in January?

January temperatures vary between a high-temperature of 45.5°F (7.5°C) and a low-temperature of 35.2°F (1.8°C).

What are the most humid months in Tacoma?

The months with the highest humidity in Tacoma, Washington, are January and December, with an average relative humidity of 87%.

What is the average humidity in January in Tacoma?

In Tacoma, the average relative humidity in January is 87%.

How many days does it rain in January in Tacoma?

In Tacoma, during January, the rain falls for 18.3 days and regularly aggregates up to 4.53" (115mm) of precipitation.

How many days does it snow in January in Tacoma?

In Tacoma, during January, snow falls for 1.9 days and regularly aggregates up to 1.26" (32mm) of snow.

What is the ocean temperature in January in Tacoma?

In January, the average ocean temperature in Tacoma is 46°F (7.8°C). Swimming in 46°F (7.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

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

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

When are sunrise and sunset in January in Tacoma?

On the first day of January, sunrise is at 7:56 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:09 pm PST.

How long on average sun shines in January in Tacoma?

In Tacoma, the average sunshine duration in January is 4.2h.

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

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

What is the UV index intensity in January in Tacoma?

In January, the average daily maximum UV index in Tacoma, Washington, is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
43.7°F 6.5°C
45.5°F 7.5°C
46.6°F 8.1°C
Average low temperature
34.3°F 1.3°C
35.2°F 1.8°C
34.3°F 1.3°C
Average pressure
30.08" 764mmHg
30.09" 764mmHg
30.06" 764mmHg
Average wind speed
4.6mph 7.4km/h
5mph 8km/h
5mph 8km/h
Average max. wind speed
5mph 8km/h
5.5mph 8.9km/h
5.5mph 8.9km/h
Average wind speed gusts
8.1mph 13km/h
8.7mph 14km/h
8.5mph 13.7km/h
Average humidity
87%
87%
86%
Average rainfall
4.69" 119mm
4.53" 115mm
2.83" 72mm
Average rainfall days
18.4
18.3
16.3
Average snowfall
0.31" 8mm
1.26" 32mm
2.28" 58mm
Average snowfall days
1.3
1.9
3.2
Average sea temperature
46.9°F 8.3°C
46°F 7.8°C
45.8°F 7.7°C
Average daylight
8h 4min
9h 0min
10h 2min
Average sunshine
4h 0min
4h 1min
4h 2min
Average sunshine days
9.5
10.8
9
Average UV index
2
2
2
Average cloud cover
59%
58%
56%
Average visibility
5mi 8km
5mi 8km
5mi 8km

Average temperature in January
Tacoma, WA

Average temperature in January - Tacoma, WA
  • Average high temperature in January: 45.5°F

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (52.7°F).
The coldest months (with the lowest average low temperature) are February and December (34.3°F).

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Average pressure in January
Tacoma, WA

Average pressure in January - Tacoma, 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).

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Average wind speed in January
Tacoma, WA

Average wind speed in January - Tacoma, WA
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is March (5.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in January
Tacoma, WA

Average humidity in January - Tacoma, WA
  • Average humidity in January: 87%

The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is July (68%).

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Average rainfall in January
Tacoma, WA

Average rainfall in January - Tacoma, WA
  • Average rainfall in January: 4.53"

The wettest month (with the highest rainfall) is December (4.69").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in January
Tacoma, WA

Average rainfall days in January - Tacoma, WA
  • Average rainfall days in January: 18.3 days

The month with the highest number of rainy days is March (20.1 days).
The month with the least rainy days is August (5 days).

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Average snowfall in January
Tacoma, WA

Average snowfall in January - Tacoma, WA
  • Average snowfall in January: 1.26"

The month with the highest snowfall is February (2.28").
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
Tacoma, WA

Average snowfall days in January - Tacoma, WA
  • Average snowfall days in January: 1.9 days

The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in January
Tacoma, WA

Average sea temperature in January - Tacoma, WA
  • Average sea temperature in January: 46°F

The best month for swimming (with the highest average sea temperature) is August (53.7°F).
The coldest month (with the lowest average sea temperature) is February (45.8°F).

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

Average daylight in January / Average sunshine in January - Tacoma, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 0min).

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Average sunshine days in January
Tacoma, WA

Average sunshine days in January - Tacoma, WA
  • Average sunshine days in January: 10.8 days

The month with the most sunshine days is August (23.4 days).
The month with the least sunshine days is February (9 days).

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Average UV index in January
Tacoma, WA

Average UV index in January - Tacoma, 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
Tacoma, WA

Average cloud cover in January - Tacoma, WA
  • Average cloud cover in January: 58

The month with the most cloud cover is December (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Tacoma, WA

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

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

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Tacoma, Washington, USA

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