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
South San Jose Hills notes the coldest temperatures in December, with a high average of 64.9°F (18.3°C) and a low of 49.5°F (9.7°C).Humidity
In South San Jose Hills, the average relative humidity in December is 51%.Rainfall
The month with the most rainfall in South San Jose Hills, California, is December, when the rain falls for 6 days and typically aggregates up to 1.61" (41mm) of precipitation.Daylight
The month with the shortest days in South San Jose Hills is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:53 pm PST.
Sunshine
February and December, with an average of 6.8h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in December, converts into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in South San Jose Hills?
What are the temperatures in South San Jose Hills in December?
What is the average humidity in December in South San Jose Hills?
What is the rainiest month in South San Jose Hills?
How much does it rain in South San Jose Hills in December?
What is the month with the shortest days in South San Jose Hills?
How many hours of daylight does South San Jose Hills have in December?
What time are sunrise and sunset in December in South San Jose Hills?
What are the months with the least sunshine in South San Jose Hills?
How many hours of sunshine does South San Jose Hills have in December?
What is the month with the lowest UV index in South San Jose Hills?
What is the UV index intensity in December in South San Jose Hills?
Average temperature in December
South San Jose Hills, CA
- Average high temperature in December: 64.9°F
The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is December (64.9°F).
- Average low temperature in December: 49.5°F
The month with the highest average low temperature is August (66.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in December
South San Jose Hills, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in December
South San Jose Hills, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.6mph).
Average humidity in December
South San Jose Hills, CA
- Average humidity in December: 51%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (46%).
Average rainfall in December
South San Jose Hills, CA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is December (1.61").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
South San Jose Hills, CA
- Average rainfall days in December: 6 days
The month with the highest number of rainy days is March (6.6 days).
The month with the least rainy days is June (1.1 days).
Average daylight in December /
Average sunshine in December
South San Jose Hills, CA
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 48min).
Average sunshine days in December
South San Jose Hills, CA
- Average sunshine days in December: 24 days
The month with the most sunshine days is August (28.2 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in December
South San Jose Hills, CA
- Average UV index in December: 4
The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
South San Jose Hills, CA
- Average cloud cover in December: 22
The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
South San Jose Hills, 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).
South San Jose Hills, California, USA
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