Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
Oregon City in January witnesses an average high-temperature of a still frosty 46.2°F (7.9°C), indicating a slight variation from December's 44.4°F (6.9°C). In the month of January, the average low-temperature usually rests at a wintry 35.2°F (1.8°C).Humidity
In Oregon City, the average relative humidity in January is 83%.Rainfall
In Oregon City, in January, during 18.4 rainfall days, 4.72" (120mm) of precipitation is typically accumulated. Throughout the year, in Oregon City, there are 169.9 rainfall days, and 32.76" (832mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Oregon City, during January, snow falls for 1.3 days and regularly aggregates up to 0.67" (17mm) of snow. Throughout the year, there are 6.1 snowfall days, and 4.17" (106mm) of snow is accumulated.Daylight
In Oregon City, the average length of the day in January is 9h and 13min.On the first day of the month, sunrise is at 7:49 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:15 pm PST.
Sunshine
In January, the average sunshine is 4.4h.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 minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 2 during January translates into these guidelines:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
How many hours of daylight does Oregon City have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Oregon City have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Oregon City, OR
- Average high temperature in January: 46.2°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in January
Oregon City, 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
Oregon City, OR
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in January
Oregon City, OR
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).
Average rainfall in January
Oregon City, OR
- Average rainfall in January: 4.72"
The wettest month (with the highest rainfall) is December (5.16").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Oregon City, OR
- Average rainfall days in January: 18.4 days
The month with the highest number of rainy days is March (20.3 days).
The month with the least rainy days is August (4 days).
Average snowfall in January
Oregon City, OR
- Average snowfall in January: 0.67"
The month with the highest snowfall is February (1.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Oregon City, OR
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Oregon City, OR
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in January
Oregon City, OR
- Average sunshine days in January: 11.1 days
The month with the most sunshine days is July (26.2 days).
The month with the least sunshine days is February (8.1 days).
Average UV index in January
Oregon City, 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
Oregon City, OR
- Average cloud cover in January: 55
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in January
Oregon City, OR
- Average visibility in January: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Oregon City, Oregon, USA
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