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
As December turns into January, the average high-temperatures rest at a still frosty 46.9°F (8.3°C), showing a minor variation from the prior month. During January nights, Cascadia records an average temperature of 34.3°F (1.3°C).Humidity
In January, the average relative humidity in Cascadia is 85%.Rainfall
In January, the rain falls for 17.4 days. Throughout January, 4.92" (125mm) of precipitation is accumulated. In Cascadia, Oregon, during the entire year, the rain falls for 167.6 days and collects up to 36.54" (928mm) of precipitation.Snowfall
Months with snowfall in Cascadia are January through April, November and December. In Cascadia, in January, snow falls for 1.5 days, with typically accumulated 2.01" (51mm) of snow. Throughout the year, there are 7.9 snowfall days, and 7.76" (197mm) of snow is accumulated.Daylight
In Cascadia, the average length of the day in January is 9h and 19min.On the first day of the month, sunrise is at 7:45 am and sunset at 4:40 pm. On the last day of January, in Cascadia, sunrise is at 7:29 am and sunset at 5:17 pm PST.
Sunshine
In Cascadia, the average sunshine in January is 4.3h.UV index
In Cascadia, Oregon, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 suggests these recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Frequently asked questions
What is the usual temperature for Cascadia in January?
What is the average humidity in January in Cascadia?
How many days does it rain in January in Cascadia?
How much does it snow in Cascadia in January?
What is the average length of the day in January in Cascadia?
When is the sunrise / sunset in January in Cascadia?
How long on average sun shines in January in Cascadia?
How high is the UV index in January in Cascadia?
Average temperature in January
Cascadia, OR
- Average high temperature in January: 46.9°F
The warmest month (with the highest average high temperature) is August (79.5°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in January: 34.3°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 (32.9°F).
Average pressure in January
Cascadia, 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
Cascadia, OR
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is January (5.1mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Cascadia, OR
- Average humidity in January: 85%
The months with the highest relative humidity are February, March and December (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in January
Cascadia, OR
- Average rainfall in January: 4.92"
The wettest month (with the highest rainfall) is December (5.47").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Cascadia, OR
- Average rainfall days in January: 17.4 days
The month with the highest number of rainy days is March (21.1 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in January
Cascadia, OR
- Average snowfall in January: 2.01"
The month with the highest snowfall is February (3.7").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Cascadia, OR
- Average snowfall days in January: 1.5 days
The month with the highest number of snowfall days is February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Cascadia, OR
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in January
Cascadia, OR
- Average sunshine days in January: 12.3 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in January
Cascadia, OR
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in January
Cascadia, OR
- Average cloud cover in January: 55
The months with the most cloud cover are February and March (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in January
Cascadia, OR
- Average visibility in January: 5mi
The month with the highest visibility is August (6mi).
The months with the lowest visibility are February and April (4mi).
Cascadia, Oregon, USA
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