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
With the transition into January, Copalis Beach notes an average high-temperature of a still frosty 46.9°F (8.3°C), closely resembling December. In Copalis Beach, a slight decrease from the daytime peak is noted during the month of January, with an average low-temperature of 40.6°F (4.8°C).Humidity
In January, the average relative humidity is 84%.Rainfall
In Copalis Beach, in January, it is raining for 15.7 days, with typically 2.8" (71mm) of accumulated precipitation. In Copalis Beach, during the entire year, the rain falls for 152.8 days and collects up to 19.41" (493mm) of precipitation.Snowfall
Months with snowfall are January through March and November. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 3.3 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
In Copalis Beach, the average length of the day in January is 9h and 1min.On the first day of January in Copalis Beach, sunrise is at 8:02 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:17 pm PST.
Sunshine
With an average of 3.5h of sunshine, January has the least sunshine of the year.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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during January translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Copalis Beach in January?
What is the average humidity in January?
How many days does it rain in January?
When does it start snowing?
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 Copalis Beach have in January?
What are the months with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Copalis Beach, WA
- Average high temperature in January: 46.9°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in January: 40.6°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in January
Copalis Beach, WA
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in January
Copalis Beach, WA
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in January
Copalis Beach, WA
- Average humidity in January: 84%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).
Average rainfall in January
Copalis Beach, WA
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Copalis Beach, WA
- Average rainfall days in January: 15.7 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in January
Copalis Beach, WA
- Average snowfall in January: 0.2"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in January
Copalis Beach, WA
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is February (1.6 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
Copalis Beach, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Copalis Beach, WA
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in January
Copalis Beach, WA
- Average UV index in January: 2
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Copalis Beach, WA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Copalis Beach, WA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Copalis Beach, Washington, USA
Weather forecast for your location
2. Allow the app to use your location