January weather forecastMarysville, WA
January
Weather in January
When ushering the new year in Marysville, Washington, the city maintains a chilly grip, with January being the coldest month. The region's weather presents a modest interplay between low temperatures from 35.8°F (2.1°C) to high temperatures peaking at 44.1°F (6.7°C). Residents often find themselves reaching for an extra layer of clothing and an umbrella due to consistent light rain throughout the month. The city remains under a heavy cloud cover, providing limited sunshine hours and reducing visibility. Although snow does grace the city, it scarce and does not pose a significant issue for daily commutes or traveling.Temperature
The arrival of January in Marysville, Washington, brings an average high-temperature of a chilly 44.1°F (6.7°C), subtly diverging from December's 42.3°F (5.7°C). Marysville experiences a subtle drop in temperature during the January nights, recording an average of 35.8°F (2.1°C).Humidity
The months with the highest humidity in Marysville are January and December, with an average relative humidity of 85%.Rainfall
In January, in Marysville, the rain falls for 18.2 days. Throughout January, 3.94" (100mm) of precipitation is accumulated. In Marysville, during the entire year, the rain falls for 179.1 days and collects up to 29.57" (751mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Marysville, in January, snow falls for 1.9 days, with typically accumulated 1.34" (34mm) of snow. Throughout the year, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
In Marysville, the average length of the day in January is 8h and 55min.On the first day of the month, sunrise is at 7:58 am and sunset at 4:25 pm. On the last day of January, in Marysville, sunrise is at 7:37 am and sunset at 5:06 pm PST.
Sunshine
The months with the least sunshine in Marysville are January and December, with an average of 4.2h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Marysville. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 2 in January translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Marysville, WA
- Average high temperature in January: 44.1°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in January: 35.8°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 (34.7°F).
Average pressure in January
Marysville, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in January
Marysville, WA
- Average wind speed in January: 5.7mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in January
Marysville, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in January
Marysville, WA
- Average rainfall in January: 3.94"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in January
Marysville, WA
- Average rainfall days in January: 18.2 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in January
Marysville, WA
- Average snowfall in January: 1.34"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Marysville, WA
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Marysville, WA
- Average daylight in January: 8h and 54min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 4h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in January
Marysville, WA
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in January
Marysville, WA
- Average UV index in January: 2
The months with the highest UV index are June and 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
Marysville, WA
- Average cloud cover in January: 56
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
Marysville, WA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).





