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 arrival of January brings an average high-temperature of a still chilly 45°F (7.2°C), subtly diverging from December's 43.2°F (6.2°C). Night temperatures during January in Retsil, Washington, stabilize at an average of 36.1°F (2.3°C), closely mirroring the daytime temperatures.Humidity
In January, the average relative humidity is 86%.Rainfall
The months with the most rainfall are January and December, with an average 2.05" (52mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Retsil, during January, snow falls for 1.7 days and regularly aggregates up to 0.63" (16mm) of snow. In Retsil, Washington, during the entire year, snow falls for 7 days and aggregates up to 2.36" (60mm) of snow.Daylight
In January, the average length of the day is 8h and 58min.On the first day of the month, sunrise is at 7:58 am and sunset at 4:29 pm. On the last day of January, in Retsil, sunrise is at 7:38 am and sunset at 5:09 pm PST.
Sunshine
In January, the average sunshine is 4.2h.UV index
The months with the lowest UV index in Retsil are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 2 in January translates into these instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. 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
What are January temperatures in Retsil?
What is the average humidity in January in Retsil?
What is the wettest month in Retsil?
How many days does it rain in January in Retsil?
How much does it snow in Retsil in January?
What is the average length of the day in January in Retsil?
When is the sunrise / sunset in January in Retsil?
How long on average sun shines in January in Retsil?
What are the months with the lowest UV index in Retsil?
How high is the UV index in January in Retsil?
Average temperature in January
Retsil, WA
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is August (77.2°F).
The month with the lowest average high temperature is December (43.2°F).
- Average low temperature in January: 36.1°F
The month with the highest average low temperature is August (53.6°F).
The coldest month (with the lowest average low temperature) is December (34.9°F).
Average pressure in January
Retsil, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
Retsil, WA
- Average wind speed in January: 5.1mph
The windiest month (with the highest average wind speed) is March (5.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.5mph).
Average humidity in January
Retsil, WA
- Average humidity in January: 86%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is July (69%).
Average rainfall in January
Retsil, WA
- Average rainfall in January: 2.05"
The wettest months (with the highest rainfall) are January and December (2.05").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in January
Retsil, WA
- Average rainfall days in January: 13.4 days
The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in January
Retsil, WA
- Average snowfall in January: 0.63"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Retsil, WA
- Average snowfall days in January: 1.7 days
The month with the highest number of snowfall days is February (2.8 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
Retsil, 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 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
Retsil, WA
- Average sunshine days in January: 14.9 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (11.8 days).
Average UV index in January
Retsil, 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
Retsil, WA
- Average cloud cover in January: 57
The month with the most cloud cover is December (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Retsil, WA
- Average visibility in January: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February, March, April, October, November and December (5mi).
Retsil, Washington, USA
Weather forecast for your location
2. Allow the app to use your location