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 in January, at a frosty 44.2°F (6.8°C), reveals a modest deviation from December's 42.3°F (5.7°C). Cathlamet's average low-temperature during January nights is observed to be a cold 33.4°F (0.8°C).Humidity
In Cathlamet, the average relative humidity in January is 88%.Rainfall
January is the month with the most rainfall in Cathlamet. Rain falls for 14.1 days and accumulates 1.77" (45mm) of precipitation.Snowfall
January through March and December are months with snowfall in Cathlamet. In January, it is snowing for 1.1 days. Throughout January, 0.43" (11mm) of snow is accumulated. Throughout the year, in Cathlamet, there are 4.6 snowfall days, and 1.54" (39mm) of snow is accumulated.Daylight
In Cathlamet, the average length of the day in January is 9h and 7min.On the first day of the month, sunrise is at 7:56 am and sunset at 4:37 pm. On the last day of January, in Cathlamet, sunrise is at 7:37 am and sunset at 5:16 pm PST.
Sunshine
In Cathlamet, the average sunshine in January is 3.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index of 2 during January translates into these guidelines:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Keep in mind! Snow's reflective quality can nearly 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 does it get in Cathlamet in January?
What is the average humidity in January in Cathlamet?
What is the rainiest month in Cathlamet?
How much does it rain in Cathlamet in January?
How much does it snow in Cathlamet in January?
What is the average length of the day in January in Cathlamet?
What time are sunrise and sunset in January in Cathlamet?
How long on average sun shines in January in Cathlamet?
When is the lowest UV index in Cathlamet?
What is the UV index reading in January in Cathlamet?
Average temperature in January
Cathlamet, WA
- Average high temperature in January: 44.2°F
The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in January: 33.4°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in January
Cathlamet, WA
- Average pressure in January: 30.09"Hg
The months with the highest atmospheric pressure are January and December (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in January
Cathlamet, WA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is September (3.8mph).
Average humidity in January
Cathlamet, WA
- Average humidity in January: 88%
The months with the highest relative humidity are February, November and December (89%).
The month with the lowest relative humidity is July (75%).
Average rainfall in January
Cathlamet, WA
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is January (1.77").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in January
Cathlamet, WA
- Average rainfall days in January: 14.1 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in January
Cathlamet, WA
- Average snowfall in January: 0.43"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Cathlamet, WA
- Average snowfall days in January: 1.1 days
The month with the highest number of snowfall days is February (1.8 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
Cathlamet, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in January
Cathlamet, WA
- Average sunshine days in January: 13.9 days
The month with the most sunshine days is August (24.6 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in January
Cathlamet, WA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Cathlamet, WA
- Average cloud cover in January: 66
The months with the most cloud cover are February and March (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in January
Cathlamet, WA
- Average visibility in January: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
Cathlamet, Washington, USA
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