January weather forecast
Philomath, OR

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Weather in January

January, the same as December, in Philomath, Oregon, is a frosty winter month, with an average temperature varying between 34.3°F (1.3°C) and 46.4°F (8°C).

Temperature

January's advent notes a subtle adjustment in average high-temperature to a still frosty 46.4°F (8°C) from December. In Philomath, in January, the average low-temperature is a cold 34.3°F (1.3°C).

Humidity

In Philomath, the average relative humidity in January is 89%.

Rainfall

In Philomath, during January, the rain falls for 18.2 days and regularly aggregates up to 4.92" (125mm) of precipitation. In Philomath, during the entire year, the rain falls for 169.8 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

Months with snowfall in Philomath are January through March, November and December. In January, in Philomath, it is snowing for 1 days. Throughout January, 0.55" (14mm) of snow is accumulated. Throughout the year, in Philomath, there are 4.9 snowfall days, and 3.35" (85mm) of snow is accumulated.

Daylight

In January, the average length of the day in Philomath, Oregon, is 9h and 17min.
On the first day of the month, sunrise is at 7:49 am and sunset at 4:43 pm. On the last day of January, in Philomath, sunrise is at 7:33 am and sunset at 5:20 pm PST.

Sunshine

The average sunshine in January is 3.7h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What is the average January temperature in Philomath?

In Philomath, in January, the average high-temperature is 46.4°F (8°C), and the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in January in Philomath?

In Philomath, Oregon, the average relative humidity in January is 89%.

How much does it rain in Philomath in January?

In Philomath, in January, during 18.2 rainfall days, 4.92" (125mm) of precipitation is typically accumulated.

How many days does it snow in January in Philomath?

In Philomath, in January, during 1 snowfall days, 0.55" (14mm) of snow is typically accumulated.

How many hours of daylight does Philomath have in January?

In Philomath, the average day length in January is 9h and 17min.

When are sunrise and sunset in January in Philomath?

In January, on the first day of the month, sunrise is at 7:49 am and sunset at 4:43 pm. On the last day of the month, in Philomath, Oregon, sunrise is at 7:33 am and sunset at 5:20 pm PST.

How long on average sun shines in January in Philomath?

In January, the average sunshine duration in Philomath, Oregon, is 3.7h.

What are the months with the lowest UV index in Philomath?

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

What is the UV index intensity in January in Philomath?

In Philomath, Oregon, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to the Sun's UV radiation.
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
Philomath, OR

Average temperature in January - Philomath, OR
  • Average high temperature in January: 46.4°F

The warmest month (with the highest average high temperature) is August (79.7°F).
The month with the lowest average high temperature is December (44.2°F).

  • Average low temperature in January: 34.3°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 (33.6°F).

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Average pressure in January
Philomath, OR

Average pressure in January - Philomath, OR
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).

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Average wind speed in January
Philomath, OR

Average wind speed in January - Philomath, OR
  • Average wind speed in January: 4.5mph

The windiest months (with the highest average wind speed) are March and April (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

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Average humidity in January
Philomath, OR

Average humidity in January - Philomath, OR
  • Average humidity in January: 89%

The month with the highest relative humidity is December (90%).
The months with the lowest relative humidity are July and August (71%).

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Average rainfall in January
Philomath, OR

Average rainfall in January - Philomath, OR
  • Average rainfall in January: 4.92"

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.24").

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Average rainfall days in January
Philomath, OR

Average rainfall days in January - Philomath, OR
  • Average rainfall days in January: 18.2 days

The month with the highest number of rainy days is March (20.6 days).
The month with the least rainy days is August (4.6 days).

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Average snowfall in January
Philomath, OR

Average snowfall in January - Philomath, OR
  • Average snowfall in January: 0.55"

The month with the highest snowfall is February (1.81").
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
Philomath, OR

Average snowfall days in January - Philomath, OR
  • Average snowfall days in January: 1 days

The month with the highest number of snowfall days is February (2 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
Philomath, OR

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

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).

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Average sunshine days in January
Philomath, OR

Average sunshine days in January - Philomath, OR
  • Average sunshine days in January: 11.7 days

The month with the most sunshine days is July (24.8 days).
The month with the least sunshine days is February (8.3 days).

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Average UV index in January
Philomath, OR

Average UV index in January - Philomath, OR
  • Average UV index in January: 2

The months with the highest UV index are June and July (UV index 5).
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
Philomath, OR

Average cloud cover in January - Philomath, OR
  • Average cloud cover in January: 63

The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in January
Philomath, OR

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

The months with the highest visibility are July, August and September (5mi).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (4mi).

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Philomath, Oregon, USA

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