January weather forecast
Mount Hood, OR

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Weather in January

January, the same as December, is another cold winter month in Mount Hood, Oregon, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 37°F (2.8°C).

Temperature

The transition from December to January sees average high-temperatures adjusting to a still cold 37°F (2.8°C), from a not significantly different 36°F (2.2°C). Mount Hood's temperature in January lowers to a consistent average of 27.7°F (-2.4°C) during the nights.

Humidity

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

Rainfall

The month with the most rainfall in Mount Hood, Oregon, is January, when the rain falls for 17.7 days and typically aggregates up to 5.67" (144mm) of precipitation.

Snowfall

Months with snowfall in Mount Hood are January through March, November and December. In Mount Hood, Oregon, in January, snow falls for 3.4 days, with typically accumulated 3.82" (97mm) of snow. Throughout the year, there are 15.1 snowfall days, and 14.33" (364mm) of snow is accumulated.

Daylight

The average length of the day in January is 9h and 12min.
On the first day of the month, sunrise is at 7:46 am and sunset at 4:34 pm. On the last day of January, sunrise is at 7:28 am and sunset at 5:11 pm PST.

Sunshine

The month with the least sunshine is January, with an average of 3.7h of sunshine.

UV index

January, February and November, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 1 in January transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

How cold is it in Mount Hood in January?

An average high-temperature, in January, in Mount Hood, is 37°F (2.8°C) and the average low-temperature is 27.7°F (-2.4°C).

What is the average humidity in January in Mount Hood?

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

What is the rainiest month in Mount Hood?

The month with the most rainfall in Mount Hood, Oregon, is January, when the rain falls for 17.7 days and typically aggregates up to 5.67" (144mm) of precipitation.

How much does it rain in Mount Hood in January?

In Mount Hood, Oregon, during January, the rain falls for 17.7 days and regularly aggregates up to 5.67" (144mm) of precipitation.

How much does it snow in Mount Hood in January?

In January, in Mount Hood, Oregon, it is snowing for 3.4 days. Throughout January, 3.82" (97mm) of snow is accumulated.

How many hours of daylight does Mount Hood have in January?

In Mount Hood, Oregon, the average day length in January is 9h and 12min.

When is the sunrise / sunset in January in Mount Hood?

In January, on the first day of the month, sunrise is at 7:46 am and sunset at 4:34 pm. On the last day of the month, in Mount Hood, sunrise is at 7:28 am and sunset at 5:11 pm PST.

What is the month with the least sunshine in Mount Hood?

With an average of 3.7h of sunshine, January has the least sunshine of the year in Mount Hood, Oregon.

How long on average sun shines in January in Mount Hood?

In January, the average sunshine duration in Mount Hood is 3.7h.

When is the lowest UV index in Mount Hood?

The months with the lowest UV index in Mount Hood are January, February and November, with an average maximum UV index of 1.

What is the UV index intensity in January in Mount Hood?

In Mount Hood, Oregon, the average daily maximum UV index in January is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
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
Mount Hood, OR

Average temperature in January - Mount Hood, OR
  • Average high temperature in January: 37°F

The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).

  • Average low temperature in January: 27.7°F

The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).

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Average pressure in January
Mount Hood, OR

Average pressure in January - Mount Hood, OR
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).

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Average wind speed in January
Mount Hood, OR

Average wind speed in January - Mount Hood, OR
  • Average wind speed in January: 5.3mph

The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).

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Average humidity in January
Mount Hood, OR

Average humidity in January - Mount Hood, OR
  • Average humidity in January: 87%

The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).

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Average rainfall in January
Mount Hood, OR

Average rainfall in January - Mount Hood, OR
  • Average rainfall in January: 5.67"

The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").

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Average rainfall days in January
Mount Hood, OR

Average rainfall days in January - Mount Hood, OR
  • Average rainfall days in January: 17.7 days

The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).

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Average snowfall in January
Mount Hood, OR

Average snowfall in January - Mount Hood, OR
  • Average snowfall in January: 3.82"

The month with the highest snowfall is February (4.76").
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
Mount Hood, OR

Average snowfall days in January - Mount Hood, OR
  • Average snowfall days in January: 3.4 days

The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Mount Hood, OR

Average daylight in January / Average sunshine in January - Mount Hood, 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: 3h and 4min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Mount Hood, OR

Average sunshine days in January - Mount Hood, OR
  • Average sunshine days in January: 10.2 days

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).

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Average UV index in January
Mount Hood, OR

Average UV index in January - Mount Hood, OR
  • Average UV index in January: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).

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Average cloud cover in January
Mount Hood, OR

Average cloud cover in January - Mount Hood, OR
  • Average cloud cover in January: 64

The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in January
Mount Hood, OR

Average visibility in January - Mount Hood, OR
  • Average visibility in January: 4mi

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

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Mount Hood, Oregon, USA

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