January weather forecast
La Grande, WA

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Weather in January

January in La Grande, Washington, is a frosty winter month, with an average temperature fluctuating between 32.5°F (0.3°C) and 43°F (6.1°C).

Temperature

Shifting into January, La Grande records an average high-temperature of a chilly 43°F (6.1°C), presenting minor fluctuations compared to the previous month. During the month of January, the temperature falls to an average of 32.5°F (0.3°C).

Humidity

In La Grande, the average relative humidity in January is 87%.

Rainfall

In La Grande, in January, it is raining for 18.3 days, with typically 5.63" (143mm) of accumulated precipitation. Throughout the year, in La Grande, there are 182.2 rainfall days, and 37.83" (961mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In January, it is snowing for 3.3 days. Throughout January, 3.54" (90mm) of snow is accumulated. In La Grande, during the entire year, snow falls for 20.4 days and aggregates up to 13.62" (346mm) of snow.

Daylight

In La Grande, Washington, the average length of the day in January is 9h and 3min.
On the first day of January in La Grande, Washington, sunrise is at 7:54 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:10 pm PST.

Sunshine

In La Grande, the average sunshine in January is 4.2h.

UV index

The months with the lowest UV index in La Grande 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 vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. 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 La Grande?

The average high-temperature, in January, in La Grande, is 43°F (6.1°C), while the average low-temperature is 32.5°F (0.3°C).

What is the average humidity in January in La Grande?

In La Grande, Washington, the average relative humidity in January is 87%.

How much does it rain in La Grande in January?

In La Grande, in January, during 18.3 rainfall days, 5.63" (143mm) of precipitation is typically accumulated.

How many days does it snow in January in La Grande?

In La Grande, during January, snow falls for 3.3 days and regularly aggregates up to 3.54" (90mm) of snow.

How many hours of daylight does La Grande have in January?

The average day length in January in La Grande, Washington, is 9h and 3min.

What time are sunrise and sunset in January in La Grande?

In January, on the first day of the month, sunrise is at 7:54 am and sunset at 4:31 pm. On the last day of the month, in La Grande, sunrise is at 7:34 am and sunset at 5:10 pm PST.

How long on average sun shines in January in La Grande?

The average sunshine duration in January in La Grande is 4.2h.

What are the months with the lowest UV index in La Grande?

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

What is the UV index reading in January in La Grande?

In January, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes 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
La Grande, WA

Average temperature in January - La Grande, WA
  • Average high temperature in January: 43°F

The warmest month (with the highest average high temperature) is August (75°F).
The month with the lowest average high temperature is December (41.2°F).

  • Average low temperature in January: 32.5°F

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).

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Average pressure in January
La Grande, WA

Average pressure in January - La Grande, WA
  • Average pressure in January: 30.1"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).

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Average wind speed in January
La Grande, WA

Average wind speed in January - La Grande, WA
  • Average wind speed in January: 5mph

The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in January
La Grande, WA

Average humidity in January - La Grande, WA
  • Average humidity in January: 87%

The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (70%).

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Average rainfall in January
La Grande, WA

Average rainfall in January - La Grande, 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 (0.43").

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Average rainfall days in January
La Grande, WA

Average rainfall days in January - La Grande, WA
  • Average rainfall days in January: 18.3 days

The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (6.1 days).

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Average snowfall in January
La Grande, WA

Average snowfall in January - La Grande, WA
  • Average snowfall in January: 3.54"

The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in January
La Grande, WA

Average snowfall days in January - La Grande, WA
  • Average snowfall days in January: 3.3 days

The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).

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Average daylight in January /
Average sunshine in January
La Grande, WA

Average daylight in January / Average sunshine in January - La Grande, WA
  • Average daylight in January: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in January: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).

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Average sunshine days in January
La Grande, WA

Average sunshine days in January - La Grande, WA
  • Average sunshine days in January: 10.8 days

The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (8 days).

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Average UV index in January
La Grande, WA

Average UV index in January - La Grande, 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
La Grande, WA

Average cloud cover in January - La Grande, WA
  • Average cloud cover in January: 57

The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in January
La Grande, WA

Average visibility in January - La Grande, 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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La Grande, Washington, USA

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