January weather forecast
Scappoose, OR

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Weather in January

January, the same as December, in Scappoose, Oregon, is a frosty winter month, with temperature in the range of an average high of 45°F (7.2°C) and an average low of 34°F (1.1°C).

Temperature

The advent of January brings an average high-temperature of a still frosty 45°F (7.2°C), exhibiting minor difference from the previous month. During the month of January, the temperature in Scappoose falls to an average of 34°F (1.1°C).

Humidity

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

Rainfall

January is the month with the most rainfall. Rain falls for 19.3 days and accumulates 5.24" (133mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Scappoose, in January, during 1.9 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 6.7 snowfall days, and 4.45" (113mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 10min.
On the first day of January in Scappoose, sunrise is at 7:52 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:15 pm PST.

Sunshine

The months with the least sunshine are January and February, with an average of 3.8h of sunshine.

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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: In January, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
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Frequently asked questions

What is the usual temperature for Scappoose in January?

Scappoose in January has an average high-temperature of 45°F (7.2°C) and an average low-temperature of 34°F (1.1°C).

What is the average humidity in January in Scappoose?

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

What is the rainiest month in Scappoose?

The month with the most rainfall in Scappoose is January, when the rain falls for 19.3 days and typically aggregates up to 5.24" (133mm) of precipitation.

How much does it rain in Scappoose in January?

In Scappoose, Oregon, in January, it is raining for 19.3 days, with typically 5.24" (133mm) of accumulated precipitation.

How many days does it snow in January in Scappoose?

In January, in Scappoose, Oregon, it is snowing for 1.9 days. Throughout January, 1.14" (29mm) of snow is accumulated.

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

The average day length in January in Scappoose, Oregon, is 9h and 10min.

What time are sunrise and sunset in January in Scappoose?

On the first day of January in Scappoose, sunrise is at 7:52 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:15 pm PST.

What is the month with the least sunshine in Scappoose?

January and February, with an average of 3.8h of sunshine, are months with the least sunshine.

How long on average sun shines in January in Scappoose?

In January, the average sunshine duration is 3.8h.

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

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

What is the UV index reading in January in Scappoose?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average max. wind speed
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
Scappoose, OR

Average temperature in January - Scappoose, OR
  • Average high temperature in January: 45°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (42.8°F).

  • Average low temperature in January: 34°F

The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).

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Average pressure in January
Scappoose, OR

Average pressure in January - Scappoose, OR
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in January
Scappoose, OR

Average wind speed in January - Scappoose, OR
  • Average wind speed in January: 4.7mph

The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (4mph).

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Average humidity in January
Scappoose, OR

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

The months with the highest relative humidity are February and November (87%).
The months with the lowest relative humidity are July and August (69%).

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Average rainfall in January
Scappoose, OR

Average rainfall in January - Scappoose, OR
  • Average rainfall in January: 5.24"

The wettest month (with the highest rainfall) is January (5.24").
The driest month (with the least rainfall) is August (0.43").

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Average rainfall days in January
Scappoose, OR

Average rainfall days in January - Scappoose, OR
  • Average rainfall days in January: 19.3 days

The month with the highest number of rainy days is March (21.1 days).
The months with the least rainy days are July and August (5.5 days).

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Average snowfall in January
Scappoose, OR

Average snowfall in January - Scappoose, OR
  • Average snowfall in January: 1.14"

The month with the highest snowfall is February (1.77").
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
Scappoose, OR

Average snowfall days in January - Scappoose, OR
  • Average snowfall days in January: 1.9 days

The month with the highest number of snowfall days is February (2.1 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
Scappoose, OR

Average daylight in January / Average sunshine in January - Scappoose, OR
  • 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: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).

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Average sunshine days in January
Scappoose, OR

Average sunshine days in January - Scappoose, OR
  • Average sunshine days in January: 10.5 days

The month with the most sunshine days is July (23.2 days).
The month with the least sunshine days is February (7.8 days).

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Average UV index in January
Scappoose, OR

Average UV index in January - Scappoose, 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).

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Average cloud cover in January
Scappoose, OR

Average cloud cover in January - Scappoose, OR
  • Average cloud cover in January: 61

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Scappoose, OR

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

The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).

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Scappoose, Oregon, USA

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