January weather forecast
Monument, OR

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Weather in January

January, like December, in Monument, Oregon, is another cold winter month, with an average temperature ranging between max 35.2°F (1.8°C) and min 22.1°F (-5.5°C).

Temperature

Monument experiences an average high-temperature of a still icy 35.2°F (1.8°C) with the onset of January, subtly varied from December's 33.4°F (0.8°C). January nights observe an average temperature dip to a subzero cold 22.1°F (-5.5°C).

Humidity

In Monument, the average relative humidity in January is 84%.

Rainfall

In January, the rain falls for 12.3 days. Throughout January, 2.17" (55mm) of precipitation is accumulated. Throughout the year, there are 127.7 rainfall days, and 17.09" (434mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. In Monument, during January, snow falls for 11.7 days and regularly aggregates up to 8.11" (206mm) of snow. Throughout the year, there are 62.5 snowfall days, and 39.17" (995mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 16min.
On the first day of the month, sunrise is at 7:35 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:18 am and sunset at 5:04 pm PST.

Sunshine

January and February, with an average of 5.2h of sunshine, are months with the least sunshine.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: In January, a regular UV index of 2 translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

How cold is January?

January temperatures vary between a high-temperature of 35.2°F (1.8°C) and a low-temperature of 22.1°F (-5.5°C).

What is the average humidity in January?

In January, the average relative humidity is 84%.

How much does it rain in January?

In Monument, during January, the rain falls for 12.3 days and regularly aggregates up to 2.17" (55mm) of precipitation.

How many days does it snow in January?

In Monument, in January, during 11.7 snowfall days, 8.11" (206mm) of snow is typically accumulated.

How many hours of daylight does Monument have in January?

In Monument, the average day length in January is 9h and 16min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:35 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:04 pm PST.

What is the month with the least sunshine?

The months with the least sunshine are January and February, with an average of 5.2h of sunshine.

How many hours of sunshine does Monument have in January?

The average sunshine duration in January is 5.2h.

What are the months with the lowest UV index?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Monument.

What is the UV index reading in January in Monument?

In Monument, Oregon, the average daily maximum UV index in January is 2. A UV Index reading 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
Monument, OR

Average temperature in January - Monument, OR
  • Average high temperature in January: 35.2°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (33.4°F).

  • Average low temperature in January: 22.1°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (19.6°F).

Average pressure in January
Monument, OR

Average pressure in January - Monument, OR
  • Average pressure in January: 30.22"Hg

The month with the highest atmospheric pressure is January (30.22"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in January
Monument, OR

Average wind speed in January - Monument, OR
  • Average wind speed in January: 6mph

The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

Average humidity in January
Monument, OR

Average humidity in January - Monument, OR
  • Average humidity in January: 84%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (42%).

Average rainfall in January
Monument, OR

Average rainfall in January - Monument, OR
  • Average rainfall in January: 2.17"

The wettest month (with the highest rainfall) is February (2.28").
The driest month (with the least rainfall) is July (0.24").

Average rainfall days in January
Monument, OR

Average rainfall days in January - Monument, OR
  • Average rainfall days in January: 12.3 days

The month with the highest number of rainy days is March (17.3 days).
The month with the least rainy days is August (3.3 days).

Average snowfall in January
Monument, OR

Average snowfall in January - Monument, OR
  • Average snowfall in January: 8.11"

The month with the highest snowfall is February (10.31").
The months with the least snowfall are June, July and August (0").

Average snowfall days in January
Monument, OR

Average snowfall days in January - Monument, OR
  • Average snowfall days in January: 11.7 days

The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in January /
Average sunshine in January
Monument, OR

Average daylight in January / Average sunshine in January - Monument, 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: 5h and 1min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in January
Monument, OR

Average sunshine days in January - Monument, OR
  • Average sunshine days in January: 13.5 days

The month with the most sunshine days is July (24.9 days).
The month with the least sunshine days is February (9 days).

Average UV index in January
Monument, OR

Average UV index in January - Monument, 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, March, October, November and December (UV index 2).

Average cloud cover in January
Monument, OR

Average cloud cover in January - Monument, OR
  • Average cloud cover in January: 47

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).

Average visibility in January
Monument, OR

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

The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

Monument, Oregon, USA

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