January weather forecast
Thurston, OR

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Weather in January

January, like December, is a frosty winter month in Thurston, Oregon, with an average temperature fluctuating between 49.3°F (9.6°C) and 35.2°F (1.8°C).

Temperature

With January's advent, Thurston sees an average high-temperature of a still frosty 49.3°F (9.6°C), subtly shifted from December's 46.2°F (7.9°C). An average low-temperature of 35.2°F (1.8°C) is recorded during the nights in January.

Humidity

January through March and December, with an average relative humidity of 86%, are the most humid months.

Rainfall

In January, the rain falls for 11 days. Throughout January, 1.18" (30mm) of precipitation is accumulated. In Thurston, during the entire year, the rain falls for 109.9 days and collects up to 10.08" (256mm) of precipitation.

Snowfall

January through March and December are months with snowfall. In Thurston, in January, during 1 snowfall days, 0.39" (10mm) of snow is typically accumulated. In Thurston, during the entire year, snow falls for 5 days and aggregates up to 2.36" (60mm) of snow.

Daylight

In Thurston, the average length of the day in January is 9h and 20min.
On the first day of January, sunrise is at 7:46 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:19 pm PST.

Sunshine

In Thurston, the average sunshine in January is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 2 during January translates into the following guidance:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

What is the usual temperature for Thurston in January?

The average high-temperature, in January, in Thurston, is 49.3°F (9.6°C), while the average low-temperature is 35.2°F (1.8°C).

What is the most humid month in Thurston?

The months with the highest humidity are January through March and December, with an average relative humidity of 86%.

What is the average humidity in January?

In Thurston, Oregon, the average relative humidity in January is 86%.

How many days does it rain in January?

In Thurston, during January, the rain falls for 11 days and regularly aggregates up to 1.18" (30mm) of precipitation.

How many days does it snow in January?

In Thurston, in January, during 1 snowfall days, 0.39" (10mm) of snow is typically accumulated.

What is the average length of the day in January?

In January, the average day length is 9h and 20min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:46 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:19 pm PST.

How many hours of sunshine does Thurston have in January?

The average sunshine duration in January is 4.3h.

When is the lowest UV index in Thurston?

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

What is the UV index intensity in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unsafe exposure to Sun's UV rays.
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
Thurston, OR

Average temperature in January - Thurston, OR
  • Average high temperature in January: 49.3°F

The warmest month (with the highest average high temperature) is August (81.3°F).
The month with the lowest average high temperature is December (46.2°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).

Average pressure in January
Thurston, OR

Average pressure in January - Thurston, OR
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

Average wind speed in January
Thurston, OR

Average wind speed in January - Thurston, OR
  • Average wind speed in January: 4.5mph

The windiest months (with the highest average wind speed) are January and March (4.5mph).
The calmest months (with the lowest average wind speed) are August and September (3.6mph).

Average humidity in January
Thurston, OR

Average humidity in January - Thurston, OR
  • Average humidity in January: 86%

The months with the highest relative humidity are January, February, March and December (86%).
The month with the lowest relative humidity is August (68%).

Average rainfall in January
Thurston, OR

Average rainfall in January - Thurston, OR
  • Average rainfall in January: 1.18"

The wettest month (with the highest rainfall) is December (1.54").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days in January
Thurston, OR

Average rainfall days in January - Thurston, OR
  • Average rainfall days in January: 11 days

The month with the highest number of rainy days is December (13.4 days).
The month with the least rainy days is August (2.5 days).

Average snowfall in January
Thurston, OR

Average snowfall in January - Thurston, OR
  • Average snowfall in January: 0.39"

The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Thurston, OR

Average snowfall days in January - Thurston, OR
  • Average snowfall days in January: 1 days

The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Thurston, OR

Average daylight in January / Average sunshine in January - Thurston, OR
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in January: 4h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).

Average sunshine days in January
Thurston, OR

Average sunshine days in January - Thurston, OR
  • Average sunshine days in January: 17.5 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (14.3 days).

Average UV index in January
Thurston, OR

Average UV index in January - Thurston, OR
  • 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).

Average cloud cover in January
Thurston, OR

Average cloud cover in January - Thurston, OR
  • Average cloud cover in January: 55

The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).

Average visibility in January
Thurston, OR

Average visibility in January - Thurston, OR
  • Average visibility in January: 4mi

The months with the highest visibility are June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, April, May, November and December (4mi).

Thurston, Oregon, USA

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