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 average high-temperature is a still frosty 46.9°F (8.3°C) in January, hardly different from the 45.5°F (7.5°C) recorded in December. Night temperatures in January in Copalis Crossing exhibit a subtle decrease, settling at an average of 40.6°F (4.8°C).Humidity
In January, the average relative humidity is 84%.Rainfall
In January, the rain falls for 15.7 days. Throughout January, 2.8" (71mm) of precipitation is accumulated. Throughout the year, there are 152.8 rainfall days, and 19.41" (493mm) of precipitation is accumulated.Snowfall
January through March and November are months with snowfall. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.2" (5mm) of snow. In Copalis Crossing, during the entire year, snow falls for 3.3 days and aggregates up to 1.38" (35mm) of snow.Daylight
In Copalis Crossing, the average length of the day in January is 9h and 1min.On the first day of the month, sunrise is at 8:02 am and sunset at 4:37 pm. On the last day of January, sunrise is at 7:42 am and sunset at 5:16 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 3.5h of sunshine.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 average individuals.Note: The UV index of 2 during January translates into the following guidance:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Copalis Crossing in January?
What is the average humidity in January?
How much does it rain in January?
When does it start to snow?
How many hours of daylight does Copalis Crossing have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Copalis Crossing have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Copalis Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, 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 Crossing, Washington, USA
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