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's weather displays an average high-temperature of a still frosty 45.1°F (7.3°C), slightly varied from December's 43.5°F (6.4°C). Willamina registers a consistent average low-temperature of 34°F (1.1°C) during January.Humidity
In January, the average relative humidity is 88%.Rainfall
In Willamina, Oregon, in January, during 16.8 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. Throughout the year, there are 156 rainfall days, and 15.94" (405mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Willamina. In January, it is snowing for 1.2 days. Throughout January, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 5.8 snowfall days, and 1.77" (45mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 14min.On the first day of January, sunrise is at 7:52 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:19 pm PST.
Sunshine
The average sunshine in January is 3.6h.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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the UV index of 2 transforms into the following advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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 Willamina have in January?
What time are sunrise and sunset in January in Willamina?
How many hours of sunshine does Willamina have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January in Willamina?
Average temperature in January
Willamina, OR
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (43.5°F).
- Average low temperature in January: 34°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is December (33.3°F).
Average pressure in January
Willamina, OR
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is September (30.01"Hg).
Average wind speed in January
Willamina, OR
- Average wind speed in January: 4.7mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in January
Willamina, OR
- Average humidity in January: 88%
The months with the highest relative humidity are February and December (89%).
The month with the lowest relative humidity is August (71%).
Average rainfall in January
Willamina, OR
- Average rainfall in January: 2.44"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Willamina, OR
- Average rainfall days in January: 16.8 days
The month with the highest number of rainy days is March (18.9 days).
The month with the least rainy days is August (4.8 days).
Average snowfall in January
Willamina, OR
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.94").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Willamina, OR
- Average snowfall days in January: 1.2 days
The month with the highest number of snowfall days is February (2.3 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
Willamina, OR
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 3h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in January
Willamina, OR
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is July (23.7 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in January
Willamina, OR
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Willamina, OR
- Average cloud cover in January: 65
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Willamina, OR
- Average visibility in January: 4mi
The months with the highest visibility are June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, October, November and December (4mi).
Willamina, Oregon, USA
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