January weather forecastCatheys Valley, CA
January
Weather in January
January, the same as December, in Catheys Valley, California, is a moderate winter month, with an average temperature varying between 42.4°F (5.8°C) and 58.6°F (14.8°C).Temperature
January observes an average high-temperature of a still moderate 58.6°F (14.8°C), marking an insignificant difference from December's 55.9°F (13.3°C). The average low-temperature of 42.4°F (5.8°C) is witnessed in Catheys Valley during January.Humidity
The most humid month in Catheys Valley, California, is January, with an average relative humidity of 70%.Rainfall
In Catheys Valley, California, in January, it is raining for 7 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 62.9 rainfall days, and 11.69" (297mm) of precipitation is accumulated.Daylight
In Catheys Valley, the average length of the day in January is 9h and 56min.On the first day of the month, sunrise is at 7:14 am and sunset at 4:53 pm. On the last day of January, in Catheys Valley, sunrise is at 7:04 am and sunset at 5:23 pm PST.
Sunshine
In Catheys Valley, the average sunshine in January is 6.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 during January translates into the following directions:
Take precautions - Protection against sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Catheys Valley, CA
- Average high temperature in January: 58.6°F
The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (55.9°F).
- Average low temperature in January: 42.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in January
Catheys Valley, CA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Catheys Valley, CA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is June (8.3mph).
The calmest months (with the lowest average wind speed) are January and November (5.2mph).
Average humidity in January
Catheys Valley, CA
- Average humidity in January: 70%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in January
Catheys Valley, CA
- Average rainfall in January: 1.65"
The wettest month (with the highest rainfall) is March (2.44").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in January
Catheys Valley, CA
- Average rainfall days in January: 7 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is June (1.1 days).
Average daylight in January /
Average sunshine in January
Catheys Valley, CA
- Average daylight in January: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 6h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in January
Catheys Valley, CA
- Average sunshine days in January: 23.4 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (18.8 days).
Average UV index in January
Catheys Valley, CA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Catheys Valley, CA
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 32).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in January
Catheys Valley, CA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





