January weather forecast
Rowena, OR

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Weather in January

January, the same as December, is a wintry winter month in Rowena, Oregon, with an average temperature varying between 28.2°F (-2.1°C) and 38.1°F (3.4°C).

Temperature

Rowena observes an average high-temperature of a still cold 38.1°F (3.4°C) in January, barely different from 37°F (2.8°C) in December. In January, the average low-temperature in Rowena, Oregon, records at a freezing cold 28.2°F (-2.1°C) during the nights.

Humidity

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

Rainfall

January is the month with the most rainfall in Rowena. 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 January, in Rowena, Oregon, it is snowing for 3.5 days. Throughout January, 2.68" (68mm) of snow is accumulated. In Rowena, during the entire year, snow falls for 14.3 days and aggregates up to 11.06" (281mm) of snow.

Daylight

In January, the average length of the day is 9h and 10min.
On the first day of January, sunrise is at 7:45 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:09 pm PST.

Sunshine

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

UV index

The months with the lowest UV index in Rowena are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum high daily UV index of 2 during January translates into the following directions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

How cold is it in Rowena in January?

Rowena in January has an average high-temperature of 38.1°F (3.4°C) and an average low-temperature of 28.2°F (-2.1°C).

What are the most humid months in Rowena?

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

What is the average humidity in January in Rowena?

In January, the average relative humidity is 85%.

What is the rainiest month in Rowena?

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

How many days does it rain in January in Rowena?

In January, in Rowena, the rain falls for 16.2 days. Throughout January, 2.99" (76mm) of precipitation is accumulated.

How much does it snow in Rowena in January?

In Rowena, Oregon, in January, during 3.5 snowfall days, 2.68" (68mm) of snow is typically accumulated.

What is the average length of the day in January in Rowena?

In Rowena, the average day length in January is 9h and 10min.

When are sunrise and sunset in January in Rowena?

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

What is the month with the least sunshine in Rowena?

The month with the least sunshine in Rowena, Oregon, is January, with an average of 4.8h of sunshine.

How long on average sun shines in January in Rowena?

The average sunshine duration in January is 4.8h.

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

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

What is the UV index intensity in January in Rowena?

In January, the average daily maximum UV index in Rowena, Oregon, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Rowena, OR

Average temperature in January - Rowena, 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
Rowena, OR

Average pressure in January - Rowena, 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
Rowena, OR

Average wind speed in January - Rowena, 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
Rowena, OR

Average humidity in January - Rowena, 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
Rowena, OR

Average rainfall in January - Rowena, 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
Rowena, OR

Average rainfall days in January - Rowena, 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
Rowena, OR

Average snowfall in January - Rowena, 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
Rowena, OR

Average snowfall days in January - Rowena, 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
Rowena, OR

Average daylight in January / Average sunshine in January - Rowena, 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
Rowena, OR

Average sunshine days in January - Rowena, 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
Rowena, OR

Average UV index in January - Rowena, 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
Rowena, OR

Average cloud cover in January - Rowena, 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
Rowena, OR

Average visibility in January - Rowena, 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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Rowena, Oregon, USA

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