January weather forecast
The Dalles, OR

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Weather in January

January in The Dalles, Oregon, typically sees snowy conditions with an average snowfall of 2.68" (68mm) in 3.5 days. Transitioning from the coldest time of the year, the climate gradually begins to warm up towards the end of the month. The days remain relatively short which limits the duration of perceived warmth. Persistent and significant cloud cover also contributes to the cold weather of January, but creates picture-perfect scenes of winter landscapes. Despite the prevalent cold, life in The Dalles continues as a winter wonderland.

Temperature

Stepping into January, The Dalles records an average high-temperature of a still wintry 38.1°F (3.4°C), almost consistent with December. The Dalles observes an average low-temperature of 28.2°F (-2.1°C) during January.

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 85%.

Rainfall

January is the month with the most rainfall in The Dalles, Oregon. Rain falls for 16.2 days and accumulates 2.99" (76mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In The Dalles, during January, snow falls for 3.5 days and regularly aggregates up to 2.68" (68mm) of snow. Throughout the year, in The Dalles, there are 14.3 snowfall days, and 11.06" (281mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 11min.
On the first day of the month, sunrise is at 7:45 am and sunset at 4:31 pm. On the last day of January, in The Dalles, sunrise is at 7:27 am and sunset at 5:09 pm PST.

Sunshine

With an average of 4.8h of sunshine, January has the least sunshine of the year.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in The Dalles. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: In January, a regular UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

How cold is January in The Dalles?

The average high-temperature, in January, in The Dalles, is 38.1°F (3.4°C), while the average low-temperature is 28.2°F (-2.1°C).

What is the most humid month in The Dalles?

January and December, with an average relative humidity of 85%, are most humid months in The Dalles.

What is the average humidity in January in The Dalles?

In The Dalles, the average relative humidity in January is 85%.

What is the rainiest month in The Dalles?

The month with the most rainfall in The Dalles, Oregon, is January, when the rain falls for 16.2 days and typically aggregates up to 2.99" (76mm) of precipitation.

How much does it rain in The Dalles in January?

In The Dalles, in January, it is raining for 16.2 days, with typically 2.99" (76mm) of accumulated precipitation.

How many days does it snow in January in The Dalles?

In The Dalles, Oregon, during January, snow falls for 3.5 days and regularly aggregates up to 2.68" (68mm) of snow.

How many hours of daylight does The Dalles have in January?

In The Dalles, the average day length in January is 9h and 11min.

What time are sunrise and sunset in January in The Dalles?

In January, on the first day of the month, sunrise is at 7:45 am and sunset at 4:31 pm. On the last day of the month, in The Dalles, Oregon, sunrise is at 7:27 am and sunset at 5:09 pm PST.

What is the month with the least sunshine in The Dalles?

January has the least sunshine of the year in The Dalles, Oregon, with an average of 4.8h of sunshine.

How many hours of sunshine does The Dalles have in January?

In The Dalles, the average sunshine duration in January is 4.8h.

What are the months with the lowest UV index in The Dalles?

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

How high is the UV index in January in The Dalles?

In The Dalles, the average daily maximum UV index in January is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
The Dalles, OR

Average temperature in January - The Dalles, OR
  • Average high temperature in January: 38.1°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 (37°F).

  • Average low temperature in January: 28.2°F

The month with the highest average low temperature is August (55.8°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).

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Average pressure in January
The Dalles, OR

Average pressure in January - The Dalles, OR
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in January
The Dalles, OR

Average wind speed in January - The Dalles, OR
  • Average wind speed in January: 4.8mph

The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest months (with the lowest average wind speed) are January and December (4.8mph).

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Average humidity in January
The Dalles, OR

Average humidity in January - The Dalles, OR
  • Average humidity in January: 85%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are July and August (51%).

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Average rainfall in January
The Dalles, OR

Average rainfall in January - The Dalles, OR
  • Average rainfall in January: 2.99"

The wettest month (with the highest rainfall) is January (2.99").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in January
The Dalles, OR

Average rainfall days in January - The Dalles, OR
  • Average rainfall days in January: 16.2 days

The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (3.2 days).

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Average snowfall in January
The Dalles, OR

Average snowfall in January - The Dalles, OR
  • Average snowfall in January: 2.68"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in January
The Dalles, OR

Average snowfall days in January - The Dalles, OR
  • Average snowfall days in January: 3.5 days

The month with the highest number of snowfall days is December (4.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
The Dalles, OR

Average daylight in January / Average sunshine in January - The Dalles, 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 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in January
The Dalles, OR

Average sunshine days in January - The Dalles, OR
  • Average sunshine days in January: 11.6 days

The month with the most sunshine days is July (26.8 days).
The month with the least sunshine days is March (10.6 days).

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Average UV index in January
The Dalles, OR

Average UV index in January - The Dalles, 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).

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Average cloud cover in January
The Dalles, OR

Average cloud cover in January - The Dalles, OR
  • Average cloud cover in January: 52

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 10).

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Average visibility in January
The Dalles, OR

Average visibility in January - The Dalles, OR
  • Average visibility in January: 5mi

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

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The Dalles, Oregon, USA

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