January weather forecastMarshall, WA
January
Weather in January
January, like December, in Marshall, Washington, is an icy winter month, with an average temperature fluctuating between 33.3°F (0.7°C) and 22.8°F (-5.1°C).Temperature
January brings an average high-temperature of a still cold 33.3°F (0.7°C), nearly identical to the preceding month. Marshall, in January, observes a steady average low-temperature of 22.8°F (-5.1°C).Humidity
January is the most humid month, with an average relative humidity of 89%.Rainfall
In Marshall, in January, during 9.2 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. Throughout the year, there are 127.8 rainfall days, and 16.93" (430mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Marshall, Washington. The month with the most snowfall is January, when snow falls for 14.9 days and typically aggregates up to 10.39" (264mm) of snow.Daylight
In January, the average length of the day in Marshall is 8h and 58min.On the first day of January, sunrise is at 7:37 am and sunset at 4:09 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:49 pm PST.
Sunshine
In January, the average sunshine is 4h.UV index
In Marshall, the average daily maximum UV index in January is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Marshall, WA
- Average high temperature in January: 33.3°F
The warmest months (with the highest average high temperature) are July and August (83.7°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in January: 22.8°F
The month with the highest average low temperature is August (59°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in January
Marshall, WA
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in January
Marshall, WA
- Average wind speed in January: 5.9mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Marshall, WA
- Average humidity in January: 89%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).
Average rainfall in January
Marshall, WA
- Average rainfall in January: 2.09"
The wettest month (with the highest rainfall) is March (2.13").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in January
Marshall, WA
- Average rainfall days in January: 9.2 days
The month with the highest number of rainy days is April (16.3 days).
The month with the least rainy days is July (4.9 days).
Average snowfall in January
Marshall, WA
- Average snowfall in January: 10.39"
The month with the highest snowfall is January (10.39").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Marshall, WA
- Average snowfall days in January: 14.9 days
The month with the highest number of snowfall days is December (15.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Marshall, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in January
Marshall, WA
- Average sunshine days in January: 13 days
The month with the most sunshine days is July (24.1 days).
The month with the least sunshine days is March (9.8 days).
Average UV index in January
Marshall, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in January
Marshall, WA
- Average cloud cover in January: 59
The months with the most cloud cover are January and December (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in January
Marshall, WA
- Average visibility in January: 4mi
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 and December (4mi).





