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
The transition from December to January sees an average high-temperature of a still frosty 46.9°F (8.3°C), indicating a minor variance from the prior month. Throughout January, the temperature falls to an average low of 34.9°F (1.6°C).Humidity
In January, the average relative humidity is 85%.Rainfall
In Marion, in January, during 17.8 rainfall days, 4.33" (110mm) of precipitation is typically accumulated. In Marion, during the entire year, the rain falls for 169.4 days and collects up to 31.57" (802mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Marion, in January, during 1.8 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 7.7 snowfall days, and 5.59" (142mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 16min.On the first day of the month, sunrise is at 7:49 am and sunset at 4:41 pm. On the last day of January, sunrise is at 7:32 am and sunset at 5:18 pm PST.
Sunshine
In Marion, the average sunshine in January is 4.3h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum daily UV index of 2 during January morphs into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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 Marion have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Marion have in January?
What are the months with the lowest UV index?
How high is the UV index in January?
Average temperature in January
Marion, OR
- Average high temperature in January: 46.9°F
The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (44.6°F).
- Average low temperature in January: 34.9°F
The month with the highest average low temperature is August (52.2°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).
Average pressure in January
Marion, 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
Marion, OR
- Average wind speed in January: 5.5mph
The windiest months (with the highest average wind speed) are January and March (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in January
Marion, OR
- Average humidity in January: 85%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (66%).
Average rainfall in January
Marion, OR
- Average rainfall in January: 4.33"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Marion, OR
- Average rainfall days in January: 17.8 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is July (4.1 days).
Average snowfall in January
Marion, OR
- Average snowfall in January: 1.34"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Marion, OR
- Average snowfall days in January: 1.8 days
The month with the highest number of snowfall days is February (2.9 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
Marion, 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 months with the most sunshine are July and August (Average sunshine: 11h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Marion, OR
- Average sunshine days in January: 11.7 days
The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in January
Marion, 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
Marion, OR
- Average cloud cover in January: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in January
Marion, 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).
Marion, Oregon, USA
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