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
As December turns into January, the average high-temperatures rest at a still frosty 46.2°F (7.9°C), showing a minor variation from the prior month. An average low-temperature of 35.2°F (1.8°C) is noted during the month of January.Humidity
The average relative humidity in January in Oak Grove is 83%.Rainfall
In Oak Grove, in January, it is raining for 17.9 days, with typically 4.25" (108mm) of accumulated precipitation. Throughout the year, there are 172.2 rainfall days, and 31.3" (795mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall in Oak Grove. In Oak Grove, Oregon, in January, snow falls for 1.5 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, in Oak Grove, there are 6.5 snowfall days, and 4.13" (105mm) of snow is accumulated.Daylight
The average length of the day in January in Oak Grove is 9h and 12min.On the first day of the month, sunrise is at 7:50 am and sunset at 4:37 pm. On the last day of January, in Oak Grove, sunrise is at 7:32 am and sunset at 5:15 pm PST.
Sunshine
The average sunshine in January in Oak Grove 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 value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during January translates into the following guidance:
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. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What is the average January temperature in Oak Grove?
What is the average humidity in January in Oak Grove?
How many days does it rain in January in Oak Grove?
How many days does it snow in January in Oak Grove?
What is the average length of the day in January in Oak Grove?
What time are sunrise and sunset in January in Oak Grove?
How many hours of sunshine does Oak Grove have in January?
What are the months with the lowest UV index in Oak Grove?
What is the UV index reading in January in Oak Grove?
Average temperature in January
Oak Grove, OR
- Average high temperature in January: 46.2°F
The warmest month (with the highest average high temperature) is August (81.7°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in January: 35.2°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in January
Oak Grove, 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
Oak Grove, OR
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is January (6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in January
Oak Grove, OR
- Average humidity in January: 83%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in January
Oak Grove, OR
- Average rainfall in January: 4.25"
The wettest month (with the highest rainfall) is December (4.57").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Oak Grove, OR
- Average rainfall days in January: 17.9 days
The month with the highest number of rainy days is March (20.4 days).
The month with the least rainy days is July (4.8 days).
Average snowfall in January
Oak Grove, OR
- Average snowfall in January: 0.94"
The month with the highest snowfall is March (1.46").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Oak Grove, OR
- Average snowfall days in January: 1.5 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
Oak Grove, 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 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in January
Oak Grove, OR
- Average sunshine days in January: 11.2 days
The month with the most sunshine days is July (23.9 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in January
Oak Grove, 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
Oak Grove, OR
- Average cloud cover in January: 56
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in January
Oak Grove, OR
- Average visibility in January: 5mi
The months with the highest visibility are July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, November and December (5mi).
Oak Grove, Oregon, USA
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