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
December stands out as Happy Camp's coldest month, with an average high-temperature of 47.1°F (8.4°C) and a low-temperature of 30.7°F (-0.7°C).Humidity
In December, the average relative humidity in Happy Camp is 81%.Rainfall
In Happy Camp, in December, it is raining for 16 days, with typically 6.54" (166mm) of accumulated precipitation. Throughout the year, in Happy Camp, there are 127.2 rainfall days, and 39.02" (991mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Happy Camp. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, in Happy Camp, there are 3.3 snowfall days, and 2.83" (72mm) of snow is accumulated.Daylight
With an average of 9h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:22 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:40 am and sunset at 4:53 pm PST.
Sunshine
With an average of 4.8h of sunshine, December has the least sunshine of the year in Happy Camp.UV index
The months with the lowest UV index in Happy Camp are February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Happy Camp?
What are December temperatures in Happy Camp?
What is the average humidity in December in Happy Camp?
How many days does it rain in December in Happy Camp?
When does it start snowing in Happy Camp?
What is the month with the shortest days in Happy Camp?
How many hours of daylight does Happy Camp have in December?
When are sunrise and sunset in December in Happy Camp?
What is the month with the least sunshine in Happy Camp?
How many hours of sunshine does Happy Camp have in December?
When is the lowest UV index in Happy Camp?
What is the UV index reading in December in Happy Camp?
Average temperature in December
Happy Camp, CA
- Average high temperature in December: 47.1°F
The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (47.1°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (30.7°F).
Average pressure in December
Happy Camp, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in December
Happy Camp, CA
- Average wind speed in December: 4.6mph
The windiest month (with the highest average wind speed) is March (5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Happy Camp, CA
- Average humidity in December: 81%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Happy Camp, CA
- Average rainfall in December: 6.54"
The wettest month (with the highest rainfall) is January (7.17").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Happy Camp, CA
- Average rainfall days in December: 16 days
The month with the highest number of rainy days is March (19.3 days).
The months with the least rainy days are July and August (2.3 days).
Average snowfall in December
Happy Camp, CA
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Happy Camp, CA
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Happy Camp, CA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Happy Camp, CA
- Average sunshine days in December: 14 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is March (10.3 days).
Average UV index in December
Happy Camp, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Happy Camp, CA
- Average cloud cover in December: 50
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 12).
Average visibility in December
Happy Camp, CA
- Average visibility in December: 4mi
The months with the highest visibility are July, August and September (6mi).
The months with the lowest visibility are March, April and December (4mi).
Happy Camp, California, USA
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