January weather forecastLa Grande, WA
January
Weather in January
January is a frosty winter month in La Grande, Washington, with an average temperature fluctuating between 32.5°F (0.3°C) and 43°F (6.1°C).Temperature
La Grande records an average high-temperature of a frosty 43°F (6.1°C) in January, closely mirroring the climate of the previous month. Throughout January, the temperature falls to an average low of 32.5°F (0.3°C).Humidity
The average relative humidity in January is 87%.Rainfall
In La Grande, during January, the rain falls for 18.3 days and regularly aggregates up to 5.63" (143mm) of precipitation. In La Grande, during the entire year, the rain falls for 182.2 days and collects up to 37.83" (961mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In La Grande, in January, during 3.3 snowfall days, 3.54" (90mm) of snow is typically accumulated. In La Grande, during the entire year, snow falls for 20.4 days and aggregates up to 13.62" (346mm) of snow.Daylight
The average length of the day in January is 9h and 3min.On the first day of the month, sunrise is at 7:54 am and sunset at 4:31 pm. On the last day of January, sunrise is at 7:34 am and sunset at 5:10 pm PST.
Sunshine
In La Grande, Washington, the average sunshine in January is 4.2h.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 estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the maximum UV index of 2 transforms into these recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
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 12min
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).
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).
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).
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).
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).
