January weather forecast
Oak Harbor, WA

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Weather in January

January, like December, is another chilly winter month in Oak Harbor, Washington, with temperature in the range of an average low of 38.8°F (3.8°C) and an average high of 45°F (7.2°C).

Temperature

Shifting into January, Oak Harbor records an average high-temperature of a still frosty 45°F (7.2°C), presenting minor fluctuations compared to the previous month. The temperature during January sees a subtle transition from day to night, averaging a low of 38.8°F (3.8°C).

Humidity

The months with the highest humidity are January through March, with an average relative humidity of 81%.

Rainfall

In January, in Oak Harbor, Washington, the rain falls for 18.5 days. Throughout January, 2.72" (69mm) of precipitation is accumulated. In Oak Harbor, during the entire year, the rain falls for 183.8 days and collects up to 24.45" (621mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Oak Harbor, Washington. In Oak Harbor, Washington, in January, snow falls for 2.1 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 9.6 snowfall days, and 5.63" (143mm) of snow is accumulated.

Ocean temperature

The months with the coldest seawater are January, February and April, with an average ocean temperature of 45.1°F (7.3°C).
Note: Taking a dip in 45.1°F (7.3°C) can be perilous. Submersion in temperatures under 50°F (10°C) triggers severe cold shock accompanied by hyperventilation.

Daylight

In January, the average length of the day in Oak Harbor, Washington, is 8h and 53min.
On the first day of the month, sunrise is at 8:01 am and sunset at 4:26 pm. On the last day of January, in Oak Harbor, sunrise is at 7:40 am and sunset at 5:07 pm PST.

Sunshine

The average sunshine in January is 4.7h.

UV index

The months with the lowest UV index in Oak Harbor are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the temperatures in Oak Harbor in January?

During January, Oak Harbor experiences an average high-temperature of 45°F (7.2°C) and a low-temperature of 38.8°F (3.8°C).

What is the most humid month in Oak Harbor?

January through March, with an average relative humidity of 81%, are most humid months in Oak Harbor, Washington.

What is the average humidity in January in Oak Harbor?

The average relative humidity in January is 81%.

How much does it rain in Oak Harbor in January?

In Oak Harbor, Washington, in January, it is raining for 18.5 days, with typically 2.72" (69mm) of accumulated precipitation.

How much does it snow in Oak Harbor in January?

In Oak Harbor, in January, snow falls for 2.1 days, with typically accumulated 1.02" (26mm) of snow.

When is the ocean coldest in Oak Harbor?

The months with the coldest seawater in Oak Harbor are January, February and April, with an average ocean temperature of 45.1°F (7.3°C).

What is the ocean temperature in January in Oak Harbor?

In Oak Harbor, Washington, in January, the average water temperature is 45.1°F (7.3°C). Swimming in 45.1°F (7.3°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 Oak Harbor?

The average day length in January in Oak Harbor, Washington, is 8h and 53min.

What time are sunrise and sunset in January in Oak Harbor?

On the first day of January in Oak Harbor, Washington, sunrise is at 8:01 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:07 pm PST.

How long on average sun shines in January in Oak Harbor?

In January, the average sunshine duration in Oak Harbor, Washington, is 4.7h.

What are the months with the lowest UV index in Oak Harbor?

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

What is the UV index intensity in January in Oak Harbor?

The average daily maximum UV index in January in Oak Harbor is 2. A UV Index reading of 2, and below, represents a low health risk 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
Oak Harbor, WA

Average temperature in January - Oak Harbor, WA
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in January: 38.8°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is February (37.9°F).

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Average pressure in January
Oak Harbor, WA

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

The month with the highest atmospheric pressure is January (30.08"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
Oak Harbor, WA

Average wind speed in January - Oak Harbor, WA
  • Average wind speed in January: 8mph

The windiest month (with the highest average wind speed) is November (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in January
Oak Harbor, WA

Average humidity in January - Oak Harbor, WA
  • Average humidity in January: 81%

The months with the highest relative humidity are January, February and March (81%).
The month with the lowest relative humidity is July (76%).

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Average rainfall in January
Oak Harbor, WA

Average rainfall in January - Oak Harbor, WA
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is November (3.46").
The driest month (with the least rainfall) is July (0.47").

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Average rainfall days in January
Oak Harbor, WA

Average rainfall days in January - Oak Harbor, WA
  • Average rainfall days in January: 18.5 days

The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is August (7.5 days).

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Average snowfall in January
Oak Harbor, WA

Average snowfall in January - Oak Harbor, WA
  • Average snowfall in January: 1.02"

The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
Oak Harbor, WA

Average snowfall days in January - Oak Harbor, WA
  • Average snowfall days in January: 2.1 days

The month with the highest number of snowfall days is February (3.3 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
Oak Harbor, WA

Average sea temperature in January - Oak Harbor, WA
  • Average sea temperature in January: 45.1°F

The best month for swimming (with the highest average sea temperature) is August (53°F).
The coldest month (with the lowest average sea temperature) is February (45°F).

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Average daylight in January /
Average sunshine in January
Oak Harbor, WA

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

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in January: 4h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).

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Average sunshine days in January
Oak Harbor, WA

Average sunshine days in January - Oak Harbor, WA
  • Average sunshine days in January: 10.3 days

The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is March (7.5 days).

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Average UV index in January
Oak Harbor, WA

Average UV index in January - Oak Harbor, 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
Oak Harbor, WA

Average cloud cover in January - Oak Harbor, WA
  • Average cloud cover in January: 51

The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 22).

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Average visibility in January
Oak Harbor, WA

Average visibility in January - Oak Harbor, 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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Oak Harbor, Washington, USA

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