January weather forecast
Grays River, WA

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Weather in January

January, like December, is a frosty winter month in Grays River, Washington, with an average temperature fluctuating between 45.7°F (7.6°C) and 38.3°F (3.5°C).

Temperature

Grays River greets January with an average high-temperature of a still chilly 45.7°F (7.6°C), marking a slight deviation from the preceding month. During January, nights in Grays River cool slightly to an average low of 38.3°F (3.5°C).

Humidity

January, February, November and December, with an average relative humidity of 85%, are the most humid months in Grays River.

Rainfall

In January, in Grays River, Washington, the rain falls for 20 days. Throughout January, 6.26" (159mm) of precipitation is accumulated. In Grays River, during the entire year, the rain falls for 195.9 days and collects up to 40.59" (1031mm) of precipitation.

Snowfall

January through March and December are months with snowfall. The months with the most snowfall in Grays River are January and February, with an average 0.87" (22mm) of accumulated snow.

Daylight

The average length of the day in January is 9h and 6min.
On the first day of January in Grays River, sunrise is at 7:57 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:16 pm PST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 2 in January translates into these instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Grays River in January?

In Grays River, in January, the average high-temperature is 45.7°F (7.6°C), and the average low-temperature is 38.3°F (3.5°C).

What are the most humid months in Grays River?

The months with the highest humidity in Grays River, Washington, are January, February, November and December, with an average relative humidity of 85%.

What is the average humidity in January in Grays River?

In Grays River, Washington, the average relative humidity in January is 85%.

How much does it rain in Grays River in January?

In Grays River, Washington, during January, the rain falls for 20 days and regularly aggregates up to 6.26" (159mm) of precipitation.

When does it snow the most in Grays River?

The months with the most snowfall are January and February, with an average 0.87" (22mm) of accumulated snow.

How many days does it snow in January in Grays River?

In Grays River, Washington, in January, snow falls for 0.8 days, with typically accumulated 0.87" (22mm) of snow.

What is the average length of the day in January in Grays River?

In Grays River, Washington, the average day length in January is 9h and 6min.

When are sunrise and sunset in January in Grays River?

On the first day of January in Grays River, Washington, sunrise is at 7:57 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 5:16 pm PST.

What is the month with the least sunshine in Grays River?

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

How many hours of sunshine does Grays River have in January?

The average sunshine duration in January in Grays River is 3.7h.

When is the lowest UV index in Grays River?

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

How high is the UV index in January in Grays River?

In Grays River, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Grays River, WA

Average temperature in January - Grays River, WA
  • Average high temperature in January: 45.7°F

The warmest month (with the highest average high temperature) is August (68.2°F).
The month with the lowest average high temperature is December (44.6°F).

  • Average low temperature in January: 38.3°F

The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).

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Average pressure in January
Grays River, WA

Average pressure in January - Grays River, WA
  • Average pressure in January: 30.08"Hg

The month with the highest atmospheric pressure is January (30.08"Hg).
The months with the lowest atmospheric pressure are March and September (30.02"Hg).

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Average wind speed in January
Grays River, WA

Average wind speed in January - Grays River, WA
  • Average wind speed in January: 8.5mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in January
Grays River, WA

Average humidity in January - Grays River, WA
  • Average humidity in January: 85%

The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are May and July (81%).

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Average rainfall in January
Grays River, WA

Average rainfall in January - Grays River, WA
  • Average rainfall in January: 6.26"

The wettest month (with the highest rainfall) is December (6.42").
The driest months (with the least rainfall) are July and August (0.55").

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Average rainfall days in January
Grays River, WA

Average rainfall days in January - Grays River, WA
  • Average rainfall days in January: 20 days

The month with the highest number of rainy days is December (21.9 days).
The month with the least rainy days is August (7.8 days).

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Average snowfall in January
Grays River, WA

Average snowfall in January - Grays River, WA
  • Average snowfall in January: 0.87"

The months with the highest snowfall are January and February (0.87").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in January
Grays River, WA

Average snowfall days in January - Grays River, WA
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is February (1.4 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
Grays River, WA

Average daylight in January / Average sunshine in January - Grays River, 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 4min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

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Average sunshine days in January
Grays River, WA

Average sunshine days in January - Grays River, WA
  • Average sunshine days in January: 9.8 days

The month with the most sunshine days is August (19.7 days).
The month with the least sunshine days is February (7.2 days).

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Average UV index in January
Grays River, WA

Average UV index in January - Grays River, WA
  • Average UV index in January: 2

The month with the highest UV index is 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
Grays River, WA

Average cloud cover in January - Grays River, WA
  • Average cloud cover in January: 61

The months with the most cloud cover are January and February (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).

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Average visibility in January
Grays River, WA

Average visibility in January - Grays River, WA
  • Average visibility in January: 6mi

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

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Grays River, Washington, USA

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