Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Knights Ferry, December is the coldest month, with temperatures averaging a high of 54.5°F (12.5°C) and a low of 38.3°F (3.5°C).Humidity
In Knights Ferry, the average relative humidity in December is 67%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 3.78" (96mm) of precipitation is 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
February and December are months with snowfall. December is the month with the most snowfall. Snow falls for 0.2 days and accumulates 0.28" (7mm) of snow.Daylight
The month with the shortest days in Knights Ferry is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:43 pm. On the last day of December, in Knights Ferry, sunrise is at 7:18 am and sunset at 4:54 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.9h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate 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 daily UV index of 3 during December translates into the following directions:
Undertake precautions - Guarding against sun damage is counselled. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Frequently asked questions
What is the coldest month in Knights Ferry?
What is the average December temperature in Knights Ferry?
What is the average humidity in December in Knights Ferry?
How many days does it rain in December in Knights Ferry?
When does it snow the most in Knights Ferry?
When does it start snowing in Knights Ferry?
What is the month with the shortest days in Knights Ferry?
How many hours of daylight does Knights Ferry have in December?
When are sunrise and sunset in December in Knights Ferry?
What is the month with the least sunshine in Knights Ferry?
How many hours of sunshine does Knights Ferry have in December?
What are the months with the lowest UV index in Knights Ferry?
What is the UV index intensity in December in Knights Ferry?
Average temperature in December
Knights Ferry, CA
- Average high temperature in December: 54.5°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 December: 38.3°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 December
Knights Ferry, CA
- Average pressure in December: 30.13"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 December
Knights Ferry, CA
- Average wind speed in December: 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 December
Knights Ferry, CA
- Average humidity in December: 67%
The month with the highest relative humidity is March (70%).
The month with the lowest relative humidity is July (32%).
Average rainfall in December
Knights Ferry, CA
- Average rainfall in December: 3.78"
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 December
Knights Ferry, CA
- Average rainfall days in December: 9.4 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 December
Knights Ferry, CA
- Average snowfall in December: 0.28"
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 December
Knights Ferry, CA
- Average snowfall days in December: 0.2 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 December /
Average sunshine in December
Knights Ferry, CA
- Average daylight in December: 9h and 4min
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 December: 5h and 5min
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 December
Knights Ferry, CA
- Average sunshine days in December: 20.5 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 December
Knights Ferry, CA
- Average UV index in December: 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 December
Knights Ferry, CA
- Average cloud cover in December: 33
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 December
Knights Ferry, CA
- Average visibility in December: 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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