January weather forecast
Oak Grove, OR

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Weather in January

January, like December, is another chilly winter month in Oak Grove, Oregon, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 35.2°F (1.8°C).

Temperature

In Oak Grove, January's average high-temperature stands at a still chilly 46.2°F (7.9°C), closely related to the preceding month. Throughout the January nights, Oak Grove encounters a low-temperature of 35.2°F (1.8°C).

Humidity

In January, the average relative humidity is 83%.

Rainfall

In Oak Grove, in January, it is raining for 17.9 days, with typically 4.25" (108mm) of accumulated precipitation. In Oak Grove, during the entire year, the rain falls for 172.2 days and collects up to 31.3" (795mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Oak Grove, during January, snow falls for 1.5 days and regularly aggregates up to 0.94" (24mm) of snow. Throughout the year, there are 6.5 snowfall days, and 4.13" (105mm) of snow is accumulated.

Daylight

In Oak Grove, the average length of the day in January 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, sunrise is at 7:32 am and sunset at 5:15 pm PST.

Sunshine

In Oak Grove, the average sunshine in January 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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 2 during January translates into the following guidance:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

What is the average January temperature?

The average high-temperature and low-temperature during January are 46.2°F (7.9°C) and 35.2°F (1.8°C) respectively.

What is the average humidity in January in Oak Grove?

The average relative humidity in January is 83%.

How much does it rain in January?

In January, the rain falls for 17.9 days. Throughout January, 4.25" (108mm) of precipitation is accumulated.

How much does it snow in January?

In January, it is snowing for 1.5 days. Throughout January, 0.94" (24mm) of snow is accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 12min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:50 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:15 pm PST.

How long on average sun shines in January?

The average sunshine duration in January is 4.3h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index intensity in January?

In Oak Grove, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Oak Grove, OR

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / 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 - 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 - 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 - 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 - 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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