January weather forecast
Warrenton, OR

Share

Weather in January

January, the same as December, in Warrenton, Oregon, is a frosty winter month, with an average temperature ranging between max 46.9°F (8.3°C) and min 40.5°F (4.7°C).

Temperature

The onset of January notes an average high-temperature of a still frosty 46.9°F (8.3°C), subtly shifted from December's 45.5°F (7.5°C). January nights experience a minor temperature downturn to a wintry 40.5°F (4.7°C).

Humidity

In January, the average relative humidity is 83%.

Rainfall

In Warrenton, in January, during 20.2 rainfall days, 6.22" (158mm) of precipitation is typically accumulated. In Warrenton, during the entire year, the rain falls for 191.4 days and collects up to 40.39" (1026mm) of precipitation.

Snowfall

Months with snowfall are January through March, September and December. In January, it is snowing for 0.8 days. Throughout January, 0.51" (13mm) of snow is accumulated. In Warrenton, during the entire year, snow falls for 3.3 days and aggregates up to 1.54" (39mm) of snow.

Daylight

In Warrenton, the average length of the day in January is 9h and 7min.
On the first day of the month, sunrise is at 7:58 am and sunset at 4:40 pm. On the last day of January, sunrise is at 7:39 am and sunset at 5:18 pm PST.

Sunshine

With an average of 3.8h of sunshine, January has the least sunshine of the year.

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 threat to health from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Enhance your sun protection with tightly woven, yet airy clothing. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average January temperature?

Warrenton in January has an average high-temperature of 46.9°F (8.3°C) and an average low-temperature of 40.5°F (4.7°C).

What is the average humidity in January?

In January, the average relative humidity is 83%.

How many days does it rain in January?

In Warrenton, in January, it is raining for 20.2 days, with typically 6.22" (158mm) of accumulated precipitation.

How much does it snow in January?

In Warrenton, in January, during 0.8 snowfall days, 0.51" (13mm) of snow is typically accumulated.

What is the average length of the day in January?

In Warrenton, the average day length in January is 9h and 7min.

When is the sunrise / sunset in January?

On the first day of January in Warrenton, sunrise is at 7:58 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:18 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is January, with an average of 3.8h of sunshine.

How long on average sun shines in January?

In January, the average sunshine duration is 3.8h.

When is the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from 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
Warrenton, OR

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

The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).

  • Average low temperature in January: 40.5°F

The month with the highest average low temperature is August (54.5°F).
The coldest months (with the lowest average low temperature) are February and December (39.9°F).

Average pressure in January
Warrenton, OR

Average pressure in January - Warrenton, OR
  • 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 and September (30.02"Hg).

Average wind speed in January
Warrenton, OR

Average wind speed in January - Warrenton, OR
  • Average wind speed in January: 10.2mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

Average humidity in January
Warrenton, OR

Average humidity in January - Warrenton, OR
  • Average humidity in January: 83%

The month with the highest relative humidity is August (84%).
The month with the lowest relative humidity is May (81%).

Average rainfall in January
Warrenton, OR

Average rainfall in January - Warrenton, OR
  • Average rainfall in January: 6.22"

The wettest month (with the highest rainfall) is December (6.54").
The driest month (with the least rainfall) is July (0.51").

Average rainfall days in January
Warrenton, OR

Average rainfall days in January - Warrenton, OR
  • Average rainfall days in January: 20.2 days

The month with the highest number of rainy days is March (21.2 days).
The month with the least rainy days is August (7.1 days).

Average snowfall in January
Warrenton, OR

Average snowfall in January - Warrenton, OR
  • Average snowfall in January: 0.51"

The month with the highest snowfall is February (0.79").
The months with the least snowfall are April, May, June, July, August, October and November (0").

Average snowfall days in January
Warrenton, OR

Average snowfall days in January - Warrenton, OR
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

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

Average daylight in January / Average sunshine in January - Warrenton, 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 months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Warrenton, OR

Average sunshine days in January - Warrenton, OR
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is August (20.5 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in January
Warrenton, OR

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

Average cloud cover in January
Warrenton, OR

Average cloud cover in January - Warrenton, OR
  • Average cloud cover in January: 59

The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in January
Warrenton, OR

Average visibility in January - Warrenton, OR
  • Average visibility in January: 6mi

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

Warrenton, Oregon, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location