January weather forecast
Marion, OR

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Weather in January

January, the same as December, in Marion, Oregon, is a frosty winter month, with temperature in the range of an average low of 34.9°F (1.6°C) and an average high of 46.9°F (8.3°C).

Temperature

The transition from December to January sees an average high-temperature of a still frosty 46.9°F (8.3°C), indicating a minor variance from the prior month. Throughout January, the temperature falls to an average low of 34.9°F (1.6°C).

Humidity

In January, the average relative humidity is 85%.

Rainfall

In Marion, in January, during 17.8 rainfall days, 4.33" (110mm) of precipitation is typically accumulated. In Marion, during the entire year, the rain falls for 169.4 days and collects up to 31.57" (802mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Marion, in January, during 1.8 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 7.7 snowfall days, and 5.59" (142mm) of snow is accumulated.

Daylight

In January, the average length of the day is 9h and 16min.
On the first day of the month, sunrise is at 7:49 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:18 pm PST.

Sunshine

In Marion, 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum daily UV index of 2 during January morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

What is the average January temperature?

Marion in January has an average high-temperature of 46.9°F (8.3°C) and an average low-temperature of 34.9°F (1.6°C).

What is the average humidity in January?

In January, the average relative humidity is 85%.

How many days does it rain in January?

In Marion, in January, it is raining for 17.8 days, with typically 4.33" (110mm) of accumulated precipitation.

How many days does it snow in January?

In Marion, in January, during 1.8 snowfall days, 1.34" (34mm) of snow is typically accumulated.

How many hours of daylight does Marion have in January?

In January, the average day length is 9h and 16min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:49 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:18 pm PST.

How many hours of sunshine does Marion have in January?

In January, the average sunshine duration is 4.3h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Marion, OR

Average temperature in January - Marion, OR
  • Average high temperature in January: 46.9°F

The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).

  • Average low temperature in January: 34.9°F

The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in January
Marion, OR

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

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

Average wind speed in January
Marion, OR

Average wind speed in January - Marion, OR
  • Average wind speed in January: 5.5mph

The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in January
Marion, OR

Average humidity in January - Marion, OR
  • Average humidity in January: 85%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).

Average rainfall in January
Marion, OR

Average rainfall in January - Marion, OR
  • Average rainfall in January: 4.33"

The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in January
Marion, OR

Average rainfall days in January - Marion, OR
  • Average rainfall days in January: 17.8 days

The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).

Average snowfall in January
Marion, OR

Average snowfall in January - Marion, OR
  • Average snowfall in January: 1.34"

The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Marion, OR

Average snowfall days in January - Marion, OR
  • Average snowfall days in January: 1.8 days

The month with the highest number of snowfall days is February (2.9 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
Marion, OR

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

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in January: 4h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in January
Marion, OR

Average sunshine days in January - Marion, OR
  • Average sunshine days in January: 11.7 days

The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).

Average UV index in January
Marion, OR

Average UV index in January - Marion, 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
Marion, OR

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

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in January
Marion, OR

Average visibility in January - Marion, OR
  • Average visibility in January: 5mi

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

Marion, Oregon, USA

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