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 high-temperature average in January for Seneca, Oregon, is a still icy 35.2°F (1.8°C), staying closely aligned with December's conditions. In Seneca, the expected average low-temperature for January is a freezing cold 22.1°F (-5.5°C).Humidity
The average relative humidity in January in Seneca is 84%.Rainfall
In January, the rain falls for 12.3 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 127.7 rainfall days, and 17.09" (434mm) of precipitation is accumulated.Snowfall
Months with snowfall in Seneca are January through May, September through December. In Seneca, Oregon, during January, snow falls for 11.7 days and regularly aggregates up to 8.11" (206mm) of snow. Throughout the year, there are 62.5 snowfall days, and 39.17" (995mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 20min.On the first day of the month, sunrise is at 7:30 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:14 am and sunset at 5:03 pm PST.
Sunshine
January and February, with an average of 5.2h of sunshine, are months with the least sunshine in Seneca, Oregon.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In January, a regular UV index of 2 translates into these guidelines:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is January in Seneca?
What is the average humidity in January in Seneca?
How many days does it rain in January in Seneca?
How many days does it snow in January in Seneca?
What is the average length of the day in January in Seneca?
When is the sunrise / sunset in January in Seneca?
What is the month with the least sunshine in Seneca?
How many hours of sunshine does Seneca have in January?
What is the month with the lowest UV index in Seneca?
What is the UV index reading in January in Seneca?
Average temperature in January
Seneca, OR
- Average high temperature in January: 35.2°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (33.4°F).
- Average low temperature in January: 22.1°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).
Average pressure in January
Seneca, OR
- Average pressure in January: 30.22"Hg
The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in January
Seneca, OR
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).
Average humidity in January
Seneca, OR
- Average humidity in January: 84%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (42%).
Average rainfall in January
Seneca, OR
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Seneca, OR
- Average rainfall days in January: 12.3 days
The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in January
Seneca, OR
- Average snowfall in January: 8.11"
The month with the highest snowfall is February (10.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Seneca, OR
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Seneca, OR
- Average daylight in January: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in January: 5h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in January
Seneca, OR
- Average sunshine days in January: 13.5 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).
Average UV index in January
Seneca, 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, March, October, November and December (UV index 2).
Average cloud cover in January
Seneca, OR
- Average cloud cover in January: 47
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
Seneca, OR
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Seneca, Oregon, USA
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