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
Brightwood experiences an average high-temperature of a still wintry 42.4°F (5.8°C) in January, marking an insignificant shift from 40.6°F (4.8°C) in December. An average temperature of 32.2°F (0.1°C) marks the nights in January.Humidity
In Brightwood, the average relative humidity in January is 84%.Rainfall
In January, the rain falls for 18.3 days. Throughout January, 6.18" (157mm) of precipitation is accumulated. Throughout the year, there are 178.5 rainfall days, and 41.65" (1058mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, November and December. In Brightwood, in January, during 4.3 snowfall days, 7.95" (202mm) of snow is typically accumulated. Throughout the year, there are 31.6 snowfall days, and 33.86" (860mm) of snow is accumulated.Daylight
In Brightwood, Oregon, the average length of the day in January is 9h and 12min.On the first day of January, sunrise is at 7:47 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:13 pm PST.
Sunshine
The average sunshine in January is 4.2h.UV index
The average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in January translates into these instructions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. 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. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is January cold?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
What is the UV index reading in January?
Average temperature in January
Brightwood, OR
- Average high temperature in January: 42.4°F
The warmest month (with the highest average high temperature) is August (77.4°F).
The month with the lowest average high temperature is December (40.6°F).
- Average low temperature in January: 32.2°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure in January
Brightwood, OR
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.99"Hg).
Average wind speed in January
Brightwood, OR
- Average wind speed in January: 6.7mph
The windiest month (with the highest average wind speed) is January (6.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Brightwood, OR
- Average humidity in January: 84%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (66%).
Average rainfall in January
Brightwood, OR
- Average rainfall in January: 6.18"
The wettest month (with the highest rainfall) is December (6.42").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Brightwood, OR
- Average rainfall days in January: 18.3 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is July (6 days).
Average snowfall in January
Brightwood, OR
- Average snowfall in January: 7.95"
The month with the highest snowfall is February (11.69").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in January
Brightwood, OR
- Average snowfall days in January: 4.3 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Brightwood, 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 1min
The month with the most sunshine is August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in January
Brightwood, OR
- Average sunshine days in January: 9.8 days
The month with the most sunshine days is July (22.9 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in January
Brightwood, OR
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Brightwood, OR
- Average cloud cover in January: 58
The months with the most cloud cover are February and March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Brightwood, OR
- Average visibility in January: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, September, October, November and December (5mi).
Brightwood, Oregon, USA
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