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 initiation of January sees an average high-temperature of a still chilly 46°F (7.8°C), showing minor variations from the previous month. In Oak Hills, the January nights cool down to an average low of 35.1°F (1.7°C).Humidity
In January, the average relative humidity is 83%.Rainfall
In Oak Hills, during January, the rain falls for 18.5 days and regularly aggregates up to 4.49" (114mm) of precipitation. Throughout the year, there are 173.2 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall in Oak Hills are January through March, November and December. In Oak Hills, Oregon, during January, snow falls for 1.3 days and regularly aggregates up to 0.63" (16mm) of snow. Throughout the year, there are 6.1 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
The average length of the day in January in Oak Hills is 9h and 11min.On the first day of January in Oak Hills, sunrise is at 7:51 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:15 pm PST.
Sunshine
In Oak Hills, Oregon, the average sunshine in January is 4h.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 reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The UV index of 2 during January leads to these advisories:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the average January temperature in Oak Hills?
What is the average humidity in January in Oak Hills?
How many days does it rain in January in Oak Hills?
How much does it snow in Oak Hills in January?
What is the average length of the day in January in Oak Hills?
When is the sunrise / sunset in January in Oak Hills?
How long on average sun shines in January in Oak Hills?
What are the months with the lowest UV index in Oak Hills?
What is the UV index intensity in January in Oak Hills?
Average temperature in January
Oak Hills, OR
- Average high temperature in January: 46°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 (44.2°F).
- Average low temperature in January: 35.1°F
The month with the highest average low temperature is August (55.6°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in January
Oak Hills, OR
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in January
Oak Hills, OR
- Average wind speed in January: 5.4mph
The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in January
Oak Hills, OR
- Average humidity in January: 83%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in January
Oak Hills, OR
- Average rainfall in January: 4.49"
The wettest month (with the highest rainfall) is December (4.61").
The driest month (with the least rainfall) is July (0.31").
Average rainfall days in January
Oak Hills, OR
- Average rainfall days in January: 18.5 days
The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.6 days).
Average snowfall in January
Oak Hills, OR
- Average snowfall in January: 0.63"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Oak Hills, OR
- Average snowfall days in January: 1.3 days
The month with the highest number of snowfall days is February (2.2 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
Oak Hills, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in January
Oak Hills, OR
- Average sunshine days in January: 11 days
The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is March (8.6 days).
Average UV index in January
Oak Hills, 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 Hills, OR
- Average cloud cover in January: 58
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Oak Hills, 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).
Oak Hills, Oregon, USA
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