January weather forecastYorkville, CA
January
Weather in January
January is a refreshing winter month in Yorkville, California, with an average temperature varying between 56.7°F (13.7°C) and 41°F (5°C).Temperature
Yorkville's entry into January measures an average high-temperature of a moderate 56.7°F (13.7°C), closely parallel to the preceding month. January's average low-temperature reading in Yorkville settles at a wintry 41°F (5°C).Humidity
In Yorkville, the average relative humidity in January is 75%.Rainfall
In Yorkville, in January, during 11.1 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. Throughout the year, in Yorkville, there are 83.1 rainfall days, and 21.38" (543mm) of precipitation is accumulated.Snowfall
In Yorkville, snow does not fall in January, March through December.Daylight
In Yorkville, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:31 am and sunset at 5:01 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:32 pm PST.
Sunshine
In Yorkville, the average sunshine in January is 5.7h.UV index
In January, the average daily maximum UV index in Yorkville is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 4 in January translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Yorkville, CA
- Average high temperature in January: 56.7°F
The warmest month (with the highest average high temperature) is August (83.5°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in January: 41°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (39.9°F).
Average pressure in January
Yorkville, CA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in January
Yorkville, CA
- Average wind speed in January: 5.2mph
The windiest month (with the highest average wind speed) is May (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).
Average humidity in January
Yorkville, CA
- Average humidity in January: 75%
The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are July and September (60%).
Average rainfall in January
Yorkville, CA
- Average rainfall in January: 3.66"
The wettest month (with the highest rainfall) is February (4.49").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Yorkville, CA
- Average rainfall days in January: 11.1 days
The month with the highest number of rainy days is March (15 days).
The month with the least rainy days is August (0.9 days).
Average snowfall in January
Yorkville, CA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Yorkville, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in January /
Average sunshine in January
Yorkville, CA
- Average daylight in January: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 5h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Yorkville, CA
- Average sunshine days in January: 19 days
The months with the most sunshine days are July and August (29.6 days).
The month with the least sunshine days is March (14.6 days).
Average UV index in January
Yorkville, CA
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in January
Yorkville, CA
- Average cloud cover in January: 38
The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in January
Yorkville, 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).
