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
January notes an average high-temperature of a still chilly 46°F (7.8°C), subtly differing from December's 44.2°F (6.8°C). Cedar Mill experiences a mean low-temperature of 35.1°F (1.7°C) during January.Humidity
In Cedar Mill, Oregon, the average relative humidity in January is 83%.Rainfall
In January, the rain falls for 18.5 days. Throughout January, 4.49" (114mm) of precipitation is accumulated. In Cedar Mill, Oregon, during the entire year, the rain falls for 173.2 days and collects up to 30.55" (776mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Cedar Mill, Oregon, in January, during 1.3 snowfall days, 0.63" (16mm) of snow is typically accumulated. Throughout the year, in Cedar Mill, Oregon, there are 6.1 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
The average length of the day in January in Cedar Mill, Oregon, is 9h and 11min.On the first day of the month, sunrise is at 7:51 am and sunset at 4:38 pm. On the last day of January, in Cedar Mill, Oregon, sunrise is at 7:33 am and sunset at 5:15 pm PST.
Sunshine
In Cedar Mill, the average sunshine in January is 4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cedar Mill. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 2 in January leads to these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the average January temperature in Cedar Mill?
What is the average humidity in January in Cedar Mill?
How much does it rain in Cedar Mill in January?
How many days does it snow in January in Cedar Mill?
What is the average length of the day in January in Cedar Mill?
When are sunrise and sunset in January in Cedar Mill?
How many hours of sunshine does Cedar Mill have in January?
When is the lowest UV index in Cedar Mill?
How high is the UV index in January in Cedar Mill?
Average temperature in January
Cedar Mill, OR
- Average high temperature in January: 46°F
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in January: 35.1°F
The month with the highest average low temperature is August (55.6°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in January
Cedar Mill, 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
Cedar Mill, OR
- Average wind speed in January: 5.4mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Cedar Mill, OR
- Average humidity in January: 83%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in January
Cedar Mill, OR
- Average rainfall in January: 4.49"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Cedar Mill, OR
- Average rainfall days in January: 18.5 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in January
Cedar Mill, OR
- Average snowfall in January: 0.63"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Cedar Mill, OR
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (2.2 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
Cedar Mill, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in January
Cedar Mill, OR
- Average sunshine days in January: 11 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (8.6 days).
Average UV index in January
Cedar Mill, 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
Cedar Mill, OR
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Cedar Mill, 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).
Cedar Mill, Oregon, USA
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