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 transition into January shows a subtle variation to a still subzero cold 30.9°F (-0.6°C) from December's 30.2°F (-1°C) in the average high-temperature. In January, the recorded average low-temperature is a still freezing cold 19°F (-7.2°C).Humidity
With an average relative humidity of 90%, January is the most humid month.Rainfall
In January, the rain falls for 8.6 days. Throughout January, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 99.9 rainfall days, and 10.47" (266mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September through December. In Chelan Falls, in January, during 12 snowfall days, 7.87" (200mm) of snow is typically accumulated. In Chelan Falls, during the entire year, snow falls for 48.7 days and aggregates up to 28.62" (727mm) of snow.Daylight
The average length of the day in January in Chelan Falls is 8h and 56min.On the first day of January, sunrise is at 7:48 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:58 pm PST.
Sunshine
With an average of 4.1h of sunshine, January has the least sunshine of the year in Chelan Falls.UV index
The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 2 in January translates into these instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Chelan Falls have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Chelan Falls, WA
- Average high temperature in January: 30.9°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is December (30.2°F).
- Average low temperature in January: 19°F
The month with the highest average low temperature is August (55.8°F).
The coldest months (with the lowest average low temperature) are January and December (19°F).
Average pressure in January
Chelan Falls, 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 (29.93"Hg).
Average wind speed in January
Chelan Falls, WA
- Average wind speed in January: 3.5mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in January
Chelan Falls, WA
- Average humidity in January: 90%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in January
Chelan Falls, WA
- Average rainfall in January: 1.5"
The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in January
Chelan Falls, WA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in January
Chelan Falls, WA
- Average snowfall in January: 7.87"
The month with the highest snowfall is December (9.06").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in January
Chelan Falls, WA
- Average snowfall days in January: 12 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Chelan Falls, WA
- Average daylight in January: 8h and 5min
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 months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Chelan Falls, WA
- Average sunshine days in January: 14.4 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is March (13.2 days).
Average UV index in January
Chelan Falls, 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, March, October, November and December (UV index 2).
Average cloud cover in January
Chelan Falls, WA
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in January
Chelan Falls, WA
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Chelan Falls, Washington, USA
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