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 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 month that records the lowest temperatures, with averages ranging from a high of 56.3°F (13.5°C) to a low of 43.7°F (6.5°C).Humidity
The average relative humidity in December is 71%.Rainfall
In December, the rain falls for 9.3 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 69.6 rainfall days, and 12.09" (307mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in New Almaden, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:03 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 5:00 pm PST.
Sunshine
With an average of 6h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in New Almaden. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Act with care - The need to guard against sun damage is communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What is the temperature in December?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in New Almaden?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
New Almaden, CA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is September (55°F).
The coldest month (with the lowest average low temperature) is February (43°F).
Average pressure in December
New Almaden, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in December
New Almaden, CA
- Average wind speed in December: 5.1mph
The windiest months (with the highest average wind speed) are April and May (6mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).
Average humidity in December
New Almaden, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).
Average rainfall in December
New Almaden, CA
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is February (2.32").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
New Almaden, CA
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is August (1.1 days).
Average daylight in December /
Average sunshine in December
New Almaden, 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 42min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
New Almaden, CA
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in December
New Almaden, CA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
New Almaden, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in December
New Almaden, 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).
New Almaden, California, USA
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