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
Scappoose's shift into January is marked by a subtle change to a still frosty 45°F (7.2°C) from December's 42.8°F (6°C) in temperature. Scappoose records an average low of 34°F (1.1°C) throughout the nights in January.Humidity
The average relative humidity in January 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
January through March, November and December are months with snowfall. In Scappoose, Oregon, in January, during 1.9 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, in Scappoose, 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 the month, sunrise is at 7:52 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:15 pm PST.
Sunshine
January and February, with an average of 3.8h of sunshine, are months with the least 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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The daily maximum UV index of 2 in January interprets into the following advice:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by 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?
What is the rainiest month in Scappoose?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Scappoose have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Scappoose have in January?
What is the month with the lowest UV index?
How high is the UV index in January?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Scappoose, Oregon, USA
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