January weather forecastOak Hills, OR
January
Weather in January
January, the same as December, in Oak Hills, Oregon, is another chilly winter month, with an average temperature fluctuating between 35.1°F (1.7°C) and 46°F (7.8°C).Temperature
In January, Oak Hills experiences a minor shift in meteorological conditions with average high-temperatures marked at a still frosty 46°F (7.8°C), closely mirroring the climate in December. Oak Hills's average low-temperature is measured at a wintry 35.1°F (1.7°C) during January.Humidity
In January, the average relative humidity is 83%.Rainfall
In January, the rain falls for 18.5 days. Throughout January, 4.49" (114mm) of precipitation is accumulated. Throughout the year, there are 173.2 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Oak Hills, in January, snow falls for 1.3 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 6.1 snowfall days, and 4.37" (111mm) of snow is accumulated.Daylight
In Oak Hills, the average length of the day in January is 9h and 11min.On the first day of January, 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 January, the average sunshine is 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 2 in January suggests the following recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Opt for tightly woven and loose clothing to enhance protection from the Sun. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 12min
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).
