January weather forecastMaryhill, WA
January
Weather in January
January, like December, in Maryhill, Washington, is an icy winter month, with an average temperature varying between 28°F (-2.2°C) and 38.5°F (3.6°C).Temperature
December's transformation into January witnesses an average high-temperature of a still cold 38.5°F (3.6°C), noting a minor change from the preceding month. Maryhill cools down to an average low-temperature of 28°F (-2.2°C) throughout the month of January.Humidity
January is the most humid month, with an average relative humidity of 84%.Rainfall
January is the month with the most rainfall. Rain falls for 13.3 days and accumulates 1.93" (49mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Maryhill, in January, during 3.1 snowfall days, 1.97" (50mm) of snow is typically accumulated. Throughout the year, there are 12.6 snowfall days, and 7.6" (193mm) of snow is accumulated.Daylight
In Maryhill, the average length of the day in January is 9h and 10min.On the first day of January, sunrise is at 7:43 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:07 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5h 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 value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 2 during January translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Maryhill, WA
- Average high temperature in January: 38.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is December (37.4°F).
- Average low temperature in January: 28°F
The month with the highest average low temperature is August (57.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in January
Maryhill, WA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.95"Hg).
Average wind speed in January
Maryhill, WA
- Average wind speed in January: 5mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest months (with the lowest average wind speed) are January and December (5mph).
Average humidity in January
Maryhill, WA
- Average humidity in January: 84%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (46%).
Average rainfall in January
Maryhill, WA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in January
Maryhill, WA
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (2.9 days).
Average snowfall in January
Maryhill, WA
- Average snowfall in January: 1.97"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Maryhill, WA
- Average snowfall days in January: 3.1 days
The months with the highest number of snowfall days are February and December (3.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Maryhill, WA
- Average daylight in January: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in January: 5h
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).
Average sunshine days in January
Maryhill, WA
- Average sunshine days in January: 13.6 days
The month with the most sunshine days is July (27 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in January
Maryhill, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Maryhill, WA
- Average cloud cover in January: 49
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in January
Maryhill, WA
- Average visibility in January: 5mi
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, February and December (5mi).





