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 advent of January brings an average high-temperature of a frosty 43.3°F (6.3°C), exhibiting minor difference from the previous month. Cathan registers a steady nighttime temperature averaging a cold 34.7°F (1.5°C) throughout January.Humidity
January, February, November and December, with an average relative humidity of 85%, are the most humid months.Rainfall
In Cathan, in January, it is raining for 18.1 days, with typically 4.69" (119mm) of accumulated precipitation. In Cathan, during the entire year, the rain falls for 188.6 days and collects up to 34.92" (887mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Cathan, during January, snow falls for 2.3 days and regularly aggregates up to 2.28" (58mm) of snow. Throughout the year, in Cathan, there are 11.6 snowfall days, and 9.61" (244mm) of snow is accumulated.Daylight
The average length of the day in January is 8h and 54min.On the first day of the month, sunrise is at 7:59 am and sunset at 4:25 pm. On the last day of January, in Cathan, sunrise is at 7:38 am and sunset at 5:06 pm PST.
Sunshine
In Cathan, the average sunshine in January is 4.2h.UV index
The months with the lowest UV index in Cathan are January, February, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during January, leads to the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
How cold is January in Cathan?
What is the most humid month in Cathan?
What is the average humidity in January in Cathan?
How much does it rain in Cathan in January?
How much does it snow in Cathan in January?
What is the average length of the day in January in Cathan?
When is the sunrise / sunset in January in Cathan?
How many hours of sunshine does Cathan have in January?
When is the lowest UV index in Cathan?
How high is the UV index in January in Cathan?
Average temperature in January
Cathan, WA
- Average high temperature in January: 43.3°F
The warmest month (with the highest average high temperature) is August (72.3°F).
The month with the lowest average high temperature is December (41.7°F).
- Average low temperature in January: 34.7°F
The month with the highest average low temperature is August (51.6°F).
The coldest month (with the lowest average low temperature) is February (33.8°F).
Average pressure in January
Cathan, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in January
Cathan, WA
- Average wind speed in January: 5.6mph
The windiest months (with the highest average wind speed) are January and November (5.6mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in January
Cathan, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in January
Cathan, WA
- Average rainfall in January: 4.69"
The wettest month (with the highest rainfall) is November (4.92").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in January
Cathan, WA
- Average rainfall days in January: 18.1 days
The month with the highest number of rainy days is March (20.9 days).
The month with the least rainy days is August (6.9 days).
Average snowfall in January
Cathan, WA
- Average snowfall in January: 2.28"
The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Cathan, WA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (4.3 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
Cathan, WA
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- 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
Cathan, WA
- Average sunshine days in January: 10.4 days
The month with the most sunshine days is August (22 days).
The month with the least sunshine days is March (8.1 days).
Average UV index in January
Cathan, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Cathan, WA
- Average cloud cover in January: 56
The month with the most cloud cover is December (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 26).
Average visibility in January
Cathan, WA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
Cathan, Washington, USA
Weather forecast for your location
2. Allow the app to use your location
