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
As Knights Ferry transitions from December to January, the average high-temperatures adjust to a refreshing 56.8°F (13.8°C), nearly the same as the previous 54.5°F (12.5°C). Throughout the month of January, the nighttime temperature dips to an average of 39.4°F (4.1°C).Humidity
In Knights Ferry, the average relative humidity in January is 68%.Rainfall
In Knights Ferry, in January, during 8.6 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. In Knights Ferry, during the entire year, the rain falls for 72.8 days and collects up to 20.91" (531mm) of precipitation.Snowfall
January, March through November are months without snowfall.Daylight
In January, the average length of the day is 9h and 54min.On the first day of January, sunrise is at 7:18 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:24 pm PST.
Sunshine
In Knights Ferry, California, the average sunshine in January is 6.2h.UV index
The months with the lowest UV index in Knights Ferry 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 exposure to the Sun's UV radiation for average individuals.Note: The UV index of 3 during January translates into the following guidance:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What is the average humidity in January?
How much does it rain in January?
When it does not snow?
Does it snow in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Knights Ferry, CA
- Average high temperature in January: 56.8°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in January: 39.4°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).
Average pressure in January
Knights Ferry, CA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Knights Ferry, CA
- Average wind speed in January: 4.7mph
The windiest month (with the highest average wind speed) is June (5.8mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity in January
Knights Ferry, CA
- Average humidity in January: 68%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in January
Knights Ferry, CA
- Average rainfall in January: 2.91"
The wettest month (with the highest rainfall) is March (4.17").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in January
Knights Ferry, CA
- Average rainfall days in January: 8.6 days
The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (1 days).
Average snowfall in January
Knights Ferry, CA
- Average snowfall in January: 0"
The month with the highest snowfall is December (0.28").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Knights Ferry, CA
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Knights Ferry, CA
- Average daylight in January: 9h and 5min
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 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
Knights Ferry, CA
- Average sunshine days in January: 21.8 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in January
Knights Ferry, CA
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Knights Ferry, CA
- Average cloud cover in January: 30
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in January
Knights Ferry, 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).
Knights Ferry, California, USA
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