January weather forecastWarrenton, OR
January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 9h and 6min
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 48min
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: 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: 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: 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: 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).





