January weather forecast
Ridgefield, WA

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Weather in January

January in Ridgefield, Washington, is a chilly winter month, with an average temperature varying between 33.8°F (1°C) and 44.2°F (6.8°C).

Temperature

Ridgefield's January average high-temperature settles at a chilly 44.2°F (6.8°C), showing a near match with the preceding month. An average nighttime temperature of 33.8°F (1°C) is witnessed in Ridgefield throughout January.

Humidity

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

Rainfall

In Ridgefield, in January, it is raining for 19.1 days, with typically 5.63" (143mm) of accumulated precipitation. Throughout the year, there are 180.9 rainfall days, and 39.41" (1001mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall in Ridgefield is January, when snow falls for 2 days and typically aggregates up to 2.05" (52mm) of snow.

Daylight

The average length of the day in January is 9h and 10min.
On the first day of January in Ridgefield, sunrise is at 7:52 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:14 pm PST.

Sunshine

In January, the average sunshine in Ridgefield is 3.8h.

UV index

In Ridgefield, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 2 during January leads to these instructions:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

How cold is it in Ridgefield in January?

January temperatures in Ridgefield, Washington, vary between a high-temperature of 44.2°F (6.8°C) and a low-temperature of 33.8°F (1°C).

What is the average humidity in January in Ridgefield?

The average relative humidity in January in Ridgefield, Washington, is 85%.

How much does it rain in Ridgefield in January?

In Ridgefield, in January, during 19.1 rainfall days, 5.63" (143mm) of precipitation is typically accumulated.

When does it snow the most in Ridgefield?

January is the month with the most snowfall in Ridgefield, Washington. Snow falls for 2 days and accumulates 2.05" (52mm) of snow.

How much does it snow in Ridgefield in January?

In January, it is snowing for 2 days. Throughout January, 2.05" (52mm) of snow is accumulated.

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

The average day length in January in Ridgefield is 9h and 10min.

When is the sunrise / sunset in January in Ridgefield?

On the first day of January in Ridgefield, sunrise is at 7:52 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 5:14 pm PST.

How long on average sun shines in January in Ridgefield?

The average sunshine duration in January in Ridgefield, Washington, is 3.8h.

What is the UV index reading in January in Ridgefield?

In Ridgefield, 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 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
Ridgefield, WA

Average temperature in January - Ridgefield, WA
  • Average high temperature in January: 44.2°F

The warmest month (with the highest average high temperature) is August (79.2°F).
The month with the lowest average high temperature is December (42.3°F).

  • Average low temperature in January: 33.8°F

The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is December (32.7°F).

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Average pressure in January
Ridgefield, WA

Average pressure in January - Ridgefield, WA
  • 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
Ridgefield, WA

Average wind speed in January - Ridgefield, WA
  • Average wind speed in January: 5.4mph

The windiest month (with the highest average wind speed) is January (5.4mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

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Average humidity in January
Ridgefield, WA

Average humidity in January - Ridgefield, WA
  • Average humidity in January: 85%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (69%).

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Average rainfall in January
Ridgefield, WA

Average rainfall in January - Ridgefield, WA
  • Average rainfall in January: 5.63"

The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days in January
Ridgefield, WA

Average rainfall days in January - Ridgefield, WA
  • Average rainfall days in January: 19.1 days

The month with the highest number of rainy days is March (21.3 days).
The month with the least rainy days is July (5.3 days).

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Average snowfall in January
Ridgefield, WA

Average snowfall in January - Ridgefield, WA
  • Average snowfall in January: 2.05"

The month with the highest snowfall is January (2.05").
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
Ridgefield, WA

Average snowfall days in January - Ridgefield, WA
  • Average snowfall days in January: 2 days

The month with the highest number of snowfall days is February (2.3 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
Ridgefield, WA

Average daylight in January / Average sunshine in January - Ridgefield, WA
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

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Average sunshine days in January
Ridgefield, WA

Average sunshine days in January - Ridgefield, WA
  • Average sunshine days in January: 10.4 days

The month with the most sunshine days is July (23.5 days).
The months with the least sunshine days are February and March (8.3 days).

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Average UV index in January
Ridgefield, WA

Average UV index in January - Ridgefield, WA
  • Average UV index in January: 2

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).

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Average cloud cover in January
Ridgefield, WA

Average cloud cover in January - Ridgefield, WA
  • Average cloud cover in January: 61

The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
Ridgefield, WA

Average visibility in January - Ridgefield, WA
  • Average visibility in January: 4mi

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

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Ridgefield, Washington, USA

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