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
On the advent of January, Aurora's average high-temperature exhibits a minor adjustment to a still frosty 46°F (7.8°C) from December's 44.2°F (6.8°C). Throughout January, Aurora experiences a low-temperature average of 35.1°F (1.7°C).Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 85%.Rainfall
In January, the rain falls for 18.4 days. Throughout January, 4.21" (107mm) of precipitation is accumulated. In Aurora, during the entire year, the rain falls for 173.8 days and collects up to 29.96" (761mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Aurora, in January, snow falls for 1.4 days, with typically accumulated 0.55" (14mm) of snow. Throughout the year, there are 6.1 snowfall days, and 3.66" (93mm) of snow is accumulated.Daylight
In Aurora, the average length of the day in January is 9h and 13min.On the first day of January, sunrise is at 7:49 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:16 pm PST.
Sunshine
In January, the average sunshine is 4.3h.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 estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Aurora have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Aurora have in January?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Aurora, OR
- Average high temperature in January: 46°F
The warmest month (with the highest average high temperature) is August (81°F).
The month with the lowest average high temperature is December (44.2°F).
- Average low temperature in January: 35.1°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (34.3°F).
Average pressure in January
Aurora, OR
- Average pressure in January: 30.12"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in January
Aurora, OR
- Average wind speed in January: 5.5mph
The windiest months (with the highest average wind speed) are January and February (5.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in January
Aurora, OR
- Average humidity in January: 85%
The months with the highest relative humidity are January, February and December (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in January
Aurora, OR
- Average rainfall in January: 4.21"
The wettest month (with the highest rainfall) is December (4.49").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in January
Aurora, OR
- Average rainfall days in January: 18.4 days
The month with the highest number of rainy days is March (20.9 days).
The months with the least rainy days are July and August (4.4 days).
Average snowfall in January
Aurora, OR
- Average snowfall in January: 0.55"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Aurora, OR
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Aurora, 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: 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
Aurora, OR
- Average sunshine days in January: 11 days
The month with the most sunshine days is July (25 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in January
Aurora, 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, November and December (UV index 2).
Average cloud cover in January
Aurora, OR
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Aurora, OR
- Average visibility in January: 5mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (5mi).
Aurora, Oregon, USA
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