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 advent of January sees the average high-temperature at a still frosty 48.4°F (9.1°C), subtly shifted from December's 46°F (7.8°C). During January, Umpqua experiences an average low-temperature of 34.2°F (1.2°C) at night.Humidity
January, February and December, with an average relative humidity of 87%, are the most humid months in Umpqua.Rainfall
In Umpqua, in January, during 16.1 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. In Umpqua, during the entire year, the rain falls for 153.9 days and collects up to 27.72" (704mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Umpqua, in January, during 0.8 snowfall days, 0.67" (17mm) of snow is typically accumulated. 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 in Umpqua, Oregon, 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 January, the average sunshine in Umpqua is 4.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in January converts into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are January temperatures in Umpqua?
What is the most humid month in Umpqua?
What is the average humidity in January in Umpqua?
How much does it rain in Umpqua in January?
How many days does it snow in January in Umpqua?
What is the average length of the day in January in Umpqua?
When is the sunrise / sunset in January in Umpqua?
How long on average sun shines in January in Umpqua?
When is the lowest UV index in Umpqua?
How high is the UV index 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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