January weather forecast
Bellingham, WA

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YearJanuaryFMAMJJASOND
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Scenic landscape of hills and the sea in this small town in Bellingham, Washington
Scenic landscape of hills and the sea in this small town in Bellingham, Washington

Weather in January

Wrapping up the old year and welcoming the new, January in Bellingham, Washington is dominated by moderate temperatures, frequent rain, snowfall, and predominant cloud cover. A gradual transition from the chill of winter, January carves a path towards relatively more substantial temperatures, backed by low-pressure systems and proximity to the Pacific. With temperatures reaching a high of 43.5°F (6.4°C) and stooping low to 35.8°F (2.1°C), the month also witnesses a precipitation height of 1.77" (45mm). January’s weather configuration is conducive to wearing warm clothing, with woolens, and rainproof apparel being a must in the wardrobe. This month marks the true essence of winter, setting the stage for the following months to display variations in Bellingham’s climatological screenplay.

Temperature

The onset of January brings an average high-temperature of a chilly 43.5°F (6.4°C), nearly matching the December temperature. Bellingham's January nights observe a minor shift from the daytime temperatures, resulting in an average dip to an icy 35.8°F (2.1°C).

Humidity

January is the most humid month, with an average relative humidity of 84%.

Rainfall

In Bellingham, Washington, in January, it is raining for 13.9 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 158 rainfall days, and 18.7" (475mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Bellingham. In January, in Bellingham, it is snowing for 1.7 days. Throughout January, 1.02" (26mm) of snow is accumulated. Throughout the year, in Bellingham, there are 9.4 snowfall days, and 4.65" (118mm) of snow is accumulated.

Ocean temperature

In Bellingham, in January, the average water temperature is 45°F (7.2°C).
Note: Immersing oneself in 45°F (7.2°C) at sub14°F (-10°C) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped.

Daylight

In Bellingham, the average length of the day in January is 8h and 49min.
On the first day of January in Bellingham, sunrise is at 8:02 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:05 pm PST.

Sunshine

January and December, with an average of 4.2h of sunshine, are months with the least sunshine in Bellingham.

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 estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during January leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

How cold is it in Bellingham in January?

In Bellingham, 43.5°F (6.4°C) is the average high-temperature and 35.8°F (2.1°C) is the average low-temperature during January.

What is the most humid month in Bellingham?

With an average relative humidity of 84%, January is the most humid month in Bellingham, Washington.

What is the average humidity in January in Bellingham?

The average relative humidity in January is 84%.

How many days does it rain in January in Bellingham?

In January, the rain falls for 13.9 days. Throughout January, 1.77" (45mm) of precipitation is accumulated.

How much does it snow in Bellingham in January?

In Bellingham, during January, snow falls for 1.7 days and regularly aggregates up to 1.02" (26mm) of snow.

What is the ocean temperature in January in Bellingham?

In January, the average ocean temperature in Bellingham is 45°F (7.2°C). Swimming in 45°F (7.2°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

How many hours of daylight does Bellingham have in January?

The average day length in January is 8h and 49min.

When are sunrise and sunset in January in Bellingham?

In January, on the first day of the month, sunrise is at 8:02 am and sunset at 4:24 pm. On the last day of the month, in Bellingham, Washington, sunrise is at 7:40 am and sunset at 5:05 pm PST.

What is the month with the least sunshine in Bellingham?

January and December, with an average of 4.2h of sunshine, are months with the least sunshine in Bellingham.

How many hours of sunshine does Bellingham have in January?

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

When is the lowest UV index in Bellingham?

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

What is the UV index intensity in January in Bellingham?

The average daily maximum UV index in January in Bellingham is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
41.9°F 5.5°C
43.5°F 6.4°C
44.4°F 6.9°C
Average low temperature
34.9°F 1.6°C
35.8°F 2.1°C
35.2°F 1.8°C
Average pressure
30.07" 764mmHg
30.08" 764mmHg
30.06" 764mmHg
Average wind speed
6.1mph 9.8km/h
6mph 9.7km/h
5.9mph 9.5km/h
Average max. wind speed
6.6mph 10.6km/h
6.5mph 10.5km/h
6.4mph 10.3km/h
Average wind speed gusts
10.6mph 17.1km/h
10.4mph 16.7km/h
9.9mph 15.9km/h
Average humidity
83%
84%
83%
Average rainfall
1.93" 49mm
1.77" 45mm
1.57" 40mm
Average rainfall days
15.3
13.9
12.8
Average snowfall
0.39" 10mm
1.02" 26mm
1.81" 46mm
Average snowfall days
1.5
1.7
3.4
Average sea temperature
45.7°F 7.6°C
44.9°F 7.2°C
44.5°F 6.9°C
Average daylight
8h 2min
8h 5min
10h 1min
Average sunshine
4h 1min
4h 1min
4h 2min
Average sunshine days
13
14.8
11.6
Average UV index
2
2
2
Average cloud cover
56%
56%
55%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in January
Bellingham, WA

Average temperature in January - Bellingham, WA
  • Average high temperature in January: 43.5°F

The warmest months (with the highest average high temperature) are July and August (70.3°F).
The month with the lowest average high temperature is December (41.9°F).

  • Average low temperature in January: 35.8°F

The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).

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Average pressure in January
Bellingham, WA

Average pressure in January - Bellingham, WA
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).

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Average wind speed in January
Bellingham, WA

Average wind speed in January - Bellingham, 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 (3.7mph).

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Average humidity in January
Bellingham, WA

Average humidity in January - Bellingham, WA
  • Average humidity in January: 84%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in January
Bellingham, WA

Average rainfall in January - Bellingham, WA
  • Average rainfall in January: 1.77"

The wettest month (with the highest rainfall) is November (2.64").
The driest month (with the least rainfall) is July (0.55").

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Average rainfall days in January
Bellingham, WA

Average rainfall days in January - Bellingham, WA
  • Average rainfall days in January: 13.9 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (7.1 days).

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Average snowfall in January
Bellingham, WA

Average snowfall in January - Bellingham, WA
  • Average snowfall in January: 1.02"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Bellingham, WA

Average snowfall days in January - Bellingham, WA
  • Average snowfall days in January: 1.7 days

The month with the highest number of snowfall days is February (3.4 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
Bellingham, WA

Average sea temperature in January - Bellingham, WA
  • Average sea temperature in January: 44.9°F

The best month for swimming (with the highest average sea temperature) is August (53.2°F).
The coldest month (with the lowest average sea temperature) is February (44.5°F).

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

Average daylight in January / Average sunshine in January - Bellingham, WA
  • Average daylight in January: 8h and 5min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in January: 4h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).

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Average sunshine days in January
Bellingham, WA

Average sunshine days in January - Bellingham, WA
  • Average sunshine days in January: 14.8 days

The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is April (10.8 days).

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Average UV index in January
Bellingham, WA

Average UV index in January - Bellingham, 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).

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Average cloud cover in January
Bellingham, WA

Average cloud cover in January - Bellingham, 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).

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Average visibility in January
Bellingham, WA

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

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