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 beginning of January records an average high-temperature of a chilly 43.3°F (6.3°C), almost echoing the conditions of the previous month. In Arlington, the nightly January temperatures experience a slight descent from daily highs to an average low of 34.7°F (1.5°C).Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months in Arlington.Rainfall
In Arlington, Washington, in January, it is raining for 18.1 days, with typically 4.69" (119mm) of accumulated precipitation. In Arlington, during the entire year, the rain falls for 188.6 days and collects up to 34.92" (887mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In January, in Arlington, it is snowing for 2.3 days. Throughout January, 2.28" (58mm) of snow is accumulated. Throughout the year, there are 11.6 snowfall days, and 9.61" (244mm) of snow is accumulated.Daylight
In January, the average length of the day is 8h and 53min.On the first day of January, sunrise is at 7:59 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:05 pm PST.
Sunshine
In Arlington, the average sunshine in January is 4.2h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Arlington. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 2 in January transforms into the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
How cold does it get in Arlington in January?
What are the most humid months in Arlington?
What is the average humidity in January in Arlington?
How much does it rain in Arlington in January?
How many days does it snow in January in Arlington?
How many hours of daylight does Arlington have in January?
When are sunrise and sunset in January in Arlington?
How many hours of sunshine does Arlington have in January?
What is the month with the lowest UV index in Arlington?
What is the UV index intensity in January in Arlington?
Average temperature in January
Arlington, WA
- Average high temperature in January: 43.3°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in January: 34.7°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure in January
Arlington, 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
Arlington, WA
- Average wind speed in January: 5.6mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in January
Arlington, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in January
Arlington, WA
- Average rainfall in January: 4.69"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in January
Arlington, WA
- Average rainfall days in January: 18.1 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in January
Arlington, WA
- Average snowfall in January: 2.28"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Arlington, WA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (4.3 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
Arlington, WA
- Average daylight in January: 8h and 5min
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 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in January
Arlington, WA
- Average sunshine days in January: 10.4 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index in January
Arlington, 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, October, November and December (UV index 2).
Average cloud cover in January
Arlington, WA
- Average cloud cover in January: 56
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in January
Arlington, 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).
Arlington, Washington, USA
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