January weather forecast
Post, OR

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Weather in January

January, like December, in Post, Oregon, is another cold winter month, with an average temperature fluctuating between 38.8°F (3.8°C) and 26.6°F (-3°C).

Temperature

January is marked by an average high-temperature of a still icy 38.8°F (3.8°C), almost identical to the preceding month. During January, the average low-temperature is a freezing cold 26.6°F (-3°C).

Humidity

The average relative humidity in January in Post, Oregon, is 79%.

Rainfall

In Post, in January, during 5.7 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Post, during the entire year, the rain falls for 65.5 days and collects up to 5.67" (144mm) of precipitation.

Snowfall

January through April, September through December are months with snowfall. In Post, Oregon, in January, during 3.6 snowfall days, 1.46" (37mm) of snow is typically accumulated. In Post, during the entire year, snow falls for 20.9 days and aggregates up to 9.02" (229mm) of snow.

Daylight

The average length of the day in January is 9h and 20min.
On the first day of January in Post, sunrise is at 7:37 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:09 pm PST.

Sunshine

In January, the average sunshine is 5.6h.

UV index

The months with the lowest UV index in Post are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In January, the maximum UV index of 2 transforms into these recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. 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 January in Post?

The high-temperature, in January, in Post, is 38.8°F (3.8°C), while the low-temperature averages to 26.6°F (-3°C).

What is the average humidity in January in Post?

In Post, Oregon, the average relative humidity in January is 79%.

How many days does it rain in January in Post?

In Post, in January, it is raining for 5.7 days, with typically 0.59" (15mm) of accumulated precipitation.

How much does it snow in Post in January?

In Post, Oregon, in January, snow falls for 3.6 days, with typically accumulated 1.46" (37mm) of snow.

How many hours of daylight does Post have in January?

The average day length in January in Post is 9h and 20min.

When are sunrise and sunset in January in Post?

On the first day of January in Post, sunrise is at 7:37 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:09 pm PST.

How long on average sun shines in January in Post?

In January, the average sunshine duration in Post, Oregon, is 5.6h.

When is the lowest UV index in Post?

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Post, Oregon.

What is the UV index reading in January in Post?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents 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
Post, OR

Average temperature in January - Post, OR
  • Average high temperature in January: 38.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (36.1°F).

  • Average low temperature in January: 26.6°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).

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Average pressure in January
Post, OR

Average pressure in January - Post, OR
  • Average pressure in January: 30.19"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).

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Average wind speed in January
Post, OR

Average wind speed in January - Post, OR
  • Average wind speed in January: 7.5mph

The windiest month (with the highest average wind speed) is March (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).

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Average humidity in January
Post, OR

Average humidity in January - Post, OR
  • Average humidity in January: 79%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are July and August (43%).

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Average rainfall in January
Post, OR

Average rainfall in January - Post, OR
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is May (0.67").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in January
Post, OR

Average rainfall days in January - Post, OR
  • Average rainfall days in January: 5.7 days

The month with the highest number of rainy days is March (9 days).
The month with the least rainy days is July (2 days).

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Average snowfall in January
Post, OR

Average snowfall in January - Post, OR
  • Average snowfall in January: 1.46"

The month with the highest snowfall is February (3.15").
The months with the least snowfall are May, June, July and August (0").

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Average snowfall days in January
Post, OR

Average snowfall days in January - Post, OR
  • Average snowfall days in January: 3.6 days

The month with the highest number of snowfall days is December (4.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in January / Average sunshine in January - Post, 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 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in January
Post, OR

Average sunshine days in January - Post, OR
  • Average sunshine days in January: 22.9 days

The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (19.5 days).

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Average UV index in January
Post, OR

Average UV index in January - Post, 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, November and December (UV index 2).

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Average cloud cover in January
Post, OR

Average cloud cover in January - Post, OR
  • Average cloud cover in January: 44

The month with the most cloud cover is December (Cloud cover 45).
The months with the least cloud cover are July and August (Cloud cover 9).

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Average visibility in January
Post, OR

Average visibility in January - Post, OR
  • Average visibility in January: 6mi

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

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Post, Oregon, USA

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