January weather forecast
Damascus, OR

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Weather in January

January, like December, is a frosty winter month in Damascus, Oregon, with an average temperature fluctuating between 45.3°F (7.4°C) and 34.5°F (1.4°C).

Temperature

The shift from December to January is characterized by an average high-temperature of a still frosty 45.3°F (7.4°C), not significantly different from the 43.7°F (6.5°C) of December. Damascus records an average nighttime low of 34.5°F (1.4°C) in January.

Humidity

In January, the average relative humidity is 82%.

Rainfall

In Damascus, in January, during 18.1 rainfall days, 4.96" (126mm) of precipitation is typically accumulated. In Damascus, during the entire year, the rain falls for 165.6 days and collects up to 34.65" (880mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Damascus, in January, during 1.5 snowfall days, 1.54" (39mm) of snow is typically accumulated. In Damascus, during the entire year, snow falls for 8.2 days and aggregates up to 5.87" (149mm) of snow.

Daylight

In January, the average length of the day in Damascus is 9h and 12min.
On the first day of January, sunrise is at 7:49 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:14 pm PST.

Sunshine

January and February, with an average of 4.2h of sunshine, are months with the least sunshine.

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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 2 in January converts into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in January?

Damascus in January has an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 34.5°F (1.4°C).

What is the average humidity in January?

In January, the average relative humidity is 82%.

How much does it rain in January?

In Damascus, in January, during 18.1 rainfall days, 4.96" (126mm) of precipitation is typically accumulated.

How many days does it snow in January in Damascus?

In Damascus, in January, snow falls for 1.5 days, with typically accumulated 1.54" (39mm) of snow.

How many hours of daylight does Damascus have in January?

In Damascus, the average day length in January is 9h and 12min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:49 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:14 pm PST.

What are the months with the least sunshine?

The months with the least sunshine are January and February, with an average of 4.2h of sunshine.

How many hours of sunshine does Damascus have in January?

The average sunshine duration in January is 4.2h.

When is the lowest UV index?

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

What is the UV index reading in January?

In Damascus, Oregon, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Damascus, OR

Average temperature in January - Damascus, OR
  • Average high temperature in January: 45.3°F

The warmest month (with the highest average high temperature) is August (80.4°F).
The month with the lowest average high temperature is December (43.7°F).

  • Average low temperature in January: 34.5°F

The month with the highest average low temperature is August (53.4°F).
The coldest month (with the lowest average low temperature) is December (33.8°F).

Average pressure in January
Damascus, OR

Average pressure in January - Damascus, 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
Damascus, OR

Average wind speed in January - Damascus, OR
  • Average wind speed in January: 6.8mph

The windiest month (with the highest average wind speed) is January (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in January
Damascus, OR

Average humidity in January - Damascus, OR
  • Average humidity in January: 82%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is August (64%).

Average rainfall in January
Damascus, OR

Average rainfall in January - Damascus, OR
  • Average rainfall in January: 4.96"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.31").

Average rainfall days in January
Damascus, OR

Average rainfall days in January - Damascus, OR
  • Average rainfall days in January: 18.1 days

The month with the highest number of rainy days is March (19.3 days).
The month with the least rainy days is August (4.4 days).

Average snowfall in January
Damascus, OR

Average snowfall in January - Damascus, OR
  • Average snowfall in January: 1.54"

The month with the highest snowfall is March (1.73").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in January
Damascus, OR

Average snowfall days in January - Damascus, OR
  • Average snowfall days in January: 1.5 days

The month with the highest number of snowfall days is February (2.8 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
Damascus, OR

Average daylight in January / Average sunshine in January - Damascus, 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 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 4h and 12min).

Average sunshine days in January
Damascus, OR

Average sunshine days in January - Damascus, OR
  • Average sunshine days in January: 11.6 days

The month with the most sunshine days is July (25 days).
The month with the least sunshine days is February (9.7 days).

Average UV index in January
Damascus, OR

Average UV index in January - Damascus, 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
Damascus, OR

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

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in January
Damascus, OR

Average visibility in January - Damascus, OR
  • Average visibility in January: 5mi

The months with the highest visibility are August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, November and December (5mi).

Damascus, Oregon, USA

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