January weather forecast
Monroe, OR

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Weather in January

January, like December, is another chilly winter month in Monroe, Oregon, with an average temperature ranging between min 35.2°F (1.8°C) and max 48.6°F (9.2°C).

Temperature

As December transitions into January, the average high-temperature rests at a still chilly 48.6°F (9.2°C), maintaining a close resemblance to the previous month. Monroe records an average low of 35.2°F (1.8°C) throughout the nights in January.

Humidity

January through March and December, with an average relative humidity of 87%, are the most humid months.

Rainfall

In Monroe, in January, during 17.3 rainfall days, 3.9" (99mm) of precipitation is typically accumulated. Throughout the year, there are 161.8 rainfall days, and 28.82" (732mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Monroe, in January, snow falls for 0.8 days, with typically accumulated 0.39" (10mm) of snow. Throughout the year, there are 4.1 snowfall days, and 2.87" (73mm) of snow is accumulated.

Daylight

In Monroe, the average length of the day in January is 9h and 19min.
On the first day of January, sunrise is at 7:48 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:20 pm PST.

Sunshine

In January, the average sunshine is 4.3h.

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 threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.

Frequently asked questions

What are the temperatures in January?

The high-temperature, in January, in Monroe, records 48.6°F (9.2°C), while the low-temperature is 35.2°F (1.8°C).

What is the most humid month?

The months with the highest humidity are January through March and December, with an average relative humidity of 87%.

What is the average humidity in January?

In Monroe, the average relative humidity in January is 87%.

How much does it rain in January?

In Monroe, in January, during 17.3 rainfall days, 3.9" (99mm) of precipitation is typically accumulated.

How many days does it snow in January?

In Monroe, in January, during 0.8 snowfall days, 0.39" (10mm) of snow is typically accumulated.

How many hours of daylight does Monroe have in January?

In January, the average day length is 9h and 19min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:48 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 5:20 pm PST.

How long on average sun shines in January?

The average sunshine duration in January is 4.3h.

When is the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health threat from 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
Monroe, OR

Average temperature in January - Monroe, OR
  • Average high temperature in January: 48.6°F

The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (45.7°F).

  • Average low temperature in January: 35.2°F

The month with the highest average low temperature is August (51.1°F).
The coldest month (with the lowest average low temperature) is December (34.2°F).

Average pressure in January
Monroe, OR

Average pressure in January - Monroe, 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
Monroe, OR

Average wind speed in January - Monroe, OR
  • Average wind speed in January: 4.7mph

The windiest month (with the highest average wind speed) is March (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).

Average humidity in January
Monroe, OR

Average humidity in January - Monroe, OR
  • Average humidity in January: 87%

The months with the highest relative humidity are January, February, March and December (87%).
The month with the lowest relative humidity is August (68%).

Average rainfall in January
Monroe, OR

Average rainfall in January - Monroe, OR
  • Average rainfall in January: 3.9"

The wettest month (with the highest rainfall) is December (4.37").
The driest month (with the least rainfall) is July (0.2").

Average rainfall days in January
Monroe, OR

Average rainfall days in January - Monroe, OR
  • Average rainfall days in January: 17.3 days

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (3.6 days).

Average snowfall in January
Monroe, OR

Average snowfall in January - Monroe, OR
  • Average snowfall in January: 0.39"

The month with the highest snowfall is February (1.81").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Monroe, OR

Average snowfall days in January - Monroe, OR
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is February (2 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
Monroe, OR

Average daylight in January / Average sunshine in January - Monroe, OR
  • Average daylight in January: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • 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 0min).

Average sunshine days in January
Monroe, OR

Average sunshine days in January - Monroe, OR
  • Average sunshine days in January: 12.2 days

The month with the most sunshine days is July (26.2 days).
The months with the least sunshine days are February and March (9.4 days).

Average UV index in January
Monroe, OR

Average UV index in January - Monroe, 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
Monroe, OR

Average cloud cover in January - Monroe, OR
  • Average cloud cover in January: 56

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 22).

Average visibility in January
Monroe, OR

Average visibility in January - Monroe, OR
  • Average visibility in January: 4mi

The months with the highest visibility are May, June, July, August, September, October and November (5mi).
The months with the lowest visibility are January, February, March, April and December (4mi).

Monroe, Oregon, USA

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