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 is the coldest month of the year, registering average temperatures as high as 41.5°F (5.3°C) and as low as 27.1°F (-2.7°C).Humidity
In Hornbrook, the average relative humidity in December is 80%.Rainfall
December is the month with the most rainfall. Rain falls for 12.5 days and accumulates 2.56" (65mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Hornbrook, during December, snow falls for 6.6 days and regularly aggregates up to 3.98" (101mm) of snow. Throughout the year, there are 30.9 snowfall days, and 18.03" (458mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:19 am and sunset at 4:39 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:49 pm PST.
Sunshine
With an average of 5.7h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Hornbrook. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Hornbrook?
How cold is it in December?
What is the average humidity in December?
What is the wettest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Hornbrook have in December?
When is the sunrise / sunset in December in Hornbrook?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Hornbrook, CA
- Average high temperature in December: 41.5°F
The warmest months (with the highest average high temperature) are July and August (84.6°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in December: 27.1°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in December
Hornbrook, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in December
Hornbrook, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is March (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in December
Hornbrook, CA
- Average humidity in December: 80%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (50%).
Average rainfall in December
Hornbrook, CA
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in December
Hornbrook, CA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is March (17.2 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in December
Hornbrook, CA
- Average snowfall in December: 3.98"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Hornbrook, CA
- Average snowfall days in December: 6.6 days
The month with the highest number of snowfall days is February (6.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Hornbrook, 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: 5h and 4min
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 42min).
Average sunshine days in December
Hornbrook, CA
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in December
Hornbrook, 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 January, February, March, November and December (UV index 2).
Average cloud cover in December
Hornbrook, CA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Hornbrook, CA
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Hornbrook, California, USA
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