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
January experiences an average high-temperature of a still frosty 48.4°F (9.1°C), barely different from December's 46°F (7.8°C). Yoncalla encounters an average low-temperature of 34.2°F (1.2°C) during January nights.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 87%.Rainfall
In January, the rain falls for 16.1 days. Throughout January, 3.66" (93mm) of precipitation is accumulated. Throughout the year, there are 153.9 rainfall days, and 27.72" (704mm) of precipitation is accumulated.Snowfall
Months with snowfall in Yoncalla are January through April, November and December. In January, it is snowing for 0.8 days. Throughout January, 0.67" (17mm) of snow is accumulated. In Yoncalla, during the entire year, snow falls for 5.2 days and aggregates up to 4.09" (104mm) of snow.Daylight
In January, the average length of the day is 9h and 23min.On the first day of January, sunrise is at 7:46 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:22 pm PST.
Sunshine
The average sunshine in January 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 hazard from exposure to the Sun's UV radiation for the average person.Note: In January, the UV index of 2 transforms into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Yoncalla in January?
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 Yoncalla have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Yoncalla have in January?
When is the lowest UV index in Yoncalla?
What is the UV index reading in January?
Average temperature in January
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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
Yoncalla, 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).
Yoncalla, Oregon, USA
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