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 Hyampom, California, the month of December is known for its lowest average temperatures, reaching a high of 45°F (7.2°C) and a low of 30°F (-1.1°C).Humidity
In December, the average relative humidity in Hyampom is 81%.Rainfall
The month with the most rainfall in Hyampom is December, when the rain falls for 14.5 days and typically aggregates up to 6.14" (156mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Hyampom, in December, during 4.3 snowfall days, 5.43" (138mm) of snow is typically accumulated. Throughout the year, there are 21.6 snowfall days, and 28.46" (723mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:18 am and sunset at 4:47 pm. On the last day of December, sunrise is at 7:37 am and sunset at 4:56 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 4.6h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Hyampom?
What is the temperature in December in Hyampom?
What is the average humidity in December in Hyampom?
What is the rainiest month in Hyampom?
How much does it rain in Hyampom in December?
How many days does it snow in December in Hyampom?
What is the month with the shortest days in Hyampom?
What is the average length of the day in December in Hyampom?
When are sunrise and sunset in December in Hyampom?
What is the month with the least sunshine in Hyampom?
How long on average sun shines in December in Hyampom?
What are the months with the lowest UV index in Hyampom?
How high is the UV index in December in Hyampom?
Average temperature in December
Hyampom, CA
- Average high temperature in December: 45°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 (45°F).
- Average low temperature in December: 30°F
The month with the highest average low temperature is July (51.3°F).
The coldest month (with the lowest average low temperature) is December (30°F).
Average pressure in December
Hyampom, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in December
Hyampom, CA
- Average wind speed in December: 4.2mph
The windiest months (with the highest average wind speed) are March and April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.4mph).
Average humidity in December
Hyampom, CA
- Average humidity in December: 81%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is August (54%).
Average rainfall in December
Hyampom, CA
- Average rainfall in December: 6.14"
The wettest month (with the highest rainfall) is December (6.14").
The driest months (with the least rainfall) are July and August (0.16").
Average rainfall days in December
Hyampom, CA
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is March (18.3 days).
The month with the least rainy days is August (2.5 days).
Average snowfall in December
Hyampom, CA
- Average snowfall in December: 5.43"
The month with the highest snowfall is February (8.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hyampom, CA
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hyampom, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Hyampom, CA
- Average sunshine days in December: 13.3 days
The month with the most sunshine days is August (26.8 days).
The month with the least sunshine days is March (10.6 days).
Average UV index in December
Hyampom, 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, November and December (UV index 2).
Average cloud cover in December
Hyampom, CA
- Average cloud cover in December: 52
The month with the most cloud cover is March (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in December
Hyampom, CA
- Average visibility in December: 4mi
The months with the highest visibility are June, July, August, September and October (6mi).
The months with the lowest visibility are March and December (4mi).
Hyampom, California, USA
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