Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The onset of January brings an average high-temperature of a still subzero cold 29.8°F (-1.2°C), nearly matching the December temperature. An average temperature of 16.2°F (-8.8°C) is recorded in Marcus during the nights in January.Humidity
January is the most humid month in Marcus, with an average relative humidity of 94%.Rainfall
In Marcus, Washington, in January, it is raining for 13.3 days, with typically 1.54" (39mm) of accumulated precipitation. In Marcus, during the entire year, the rain falls for 156.3 days and collects up to 16.18" (411mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. January is the month with the most snowfall in Marcus, Washington. Snow falls for 11.7 days and accumulates 6.61" (168mm) of snow.Daylight
In January, the average length of the day is 8h and 50min.On the first day of the month, sunrise is at 7:44 am and sunset at 4:06 pm. On the last day of January, in Marcus, sunrise is at 7:23 am and sunset at 4:48 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Marcus. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January in Marcus?
What is the most humid month in Marcus?
What is the average humidity in January in Marcus?
How many days does it rain in January in Marcus?
When does it snow the most in Marcus?
How many days does it snow in January in Marcus?
What is the average length of the day in January in Marcus?
What time are sunrise and sunset in January in Marcus?
What is the month with the least sunshine in Marcus?
How many hours of sunshine does Marcus have in January?
What are the months with the lowest UV index in Marcus?
How high is the UV index in January in Marcus?
Average temperature in January
Marcus, WA
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in January
Marcus, WA
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in January
Marcus, WA
- Average wind speed in January: 3mph
The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).
Average humidity in January
Marcus, WA
- Average humidity in January: 94%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in January
Marcus, WA
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in January
Marcus, WA
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in January
Marcus, WA
- Average snowfall in January: 6.61"
The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in January
Marcus, WA
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Marcus, WA
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 3h and 5min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Marcus, WA
- Average sunshine days in January: 11.9 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).
Average UV index in January
Marcus, WA
- Average UV index in January: 1
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 1).
Average cloud cover in January
Marcus, WA
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Marcus, WA
- Average visibility in January: 2mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
Marcus, Washington, USA
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