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 arrival of January marks a slight shift to an average high-temperature of a still chilly 48.4°F (9.1°C) from December's 46°F (7.8°C). Umpqua, during the month of January, experiences an average low-temperature of 34.2°F (1.2°C).Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months.Rainfall
In Umpqua, in January, it is raining for 16.1 days, with typically 3.66" (93mm) of accumulated precipitation. Throughout the year, there are 153.9 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Umpqua, in January, snow falls for 0.8 days, with typically accumulated 0.67" (17mm) of snow. In Umpqua, during the entire year, snow falls for 5.2 days and aggregates up to 4.09" (104mm) of snow.Daylight
The average length of the day in January is 9h and 25min.On the first day of January, sunrise is at 7:46 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:23 pm PST.
Sunshine
In Umpqua, the average sunshine in January is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Umpqua. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, a daily UV index of 2 turns into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the most humid month?
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 Umpqua have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Umpqua have in January?
What are the months with the lowest UV index?
What is the UV index reading in January in Umpqua?
Average temperature in January
Umpqua, OR
- Average high temperature in January: 48.4°F
The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (46°F).
- Average low temperature in January: 34.2°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in January
Umpqua, 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
Umpqua, OR
- Average wind speed in January: 4mph
The windiest months (with the highest average wind speed) are January and March (4mph).
The calmest month (with the lowest average wind speed) is September (3.2mph).
Average humidity in January
Umpqua, OR
- Average humidity in January: 87%
The months with the highest relative humidity are January, February and December (87%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in January
Umpqua, OR
- Average rainfall in January: 3.66"
The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in January
Umpqua, OR
- Average rainfall days in January: 16.1 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in January
Umpqua, OR
- Average snowfall in January: 0.67"
The month with the highest snowfall is February (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Umpqua, OR
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (2 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
Umpqua, 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: 9h and 0min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Umpqua, OR
- Average sunshine days in January: 13.3 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in January
Umpqua, OR
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Umpqua, OR
- Average cloud cover in January: 55
The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Umpqua, OR
- Average visibility in January: 4mi
The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).
Umpqua, Oregon, USA
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