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 sea temperature 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, marked by an average high-temperature of 56.5°F (13.6°C) and a low-temperature of 43°F (6.1°C), is the coldest month.Humidity
In Fremont, the average relative humidity in December is 70%.Rainfall
The wettest months are January through March and December, with an average 0.67" (17mm) of rainfall.Ocean temperature
In Fremont, the average seawater temperature in December is 54.9°F (12.7°C).Note: With the appropriate swimsuit, one can swim in 54.9°F (12.7°C) even if temperatures dip below 50°F (10°C); otherwise, be ready for cold shock and breath issues. A fleeting swim around 55.4°F (13°C) is distressing.
Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:04 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:00 pm PST.
Sunshine
With an average of 5.9h 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. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What are the temperatures in December?
What is the average humidity in December in Fremont?
What is the wettest month?
How much does it rain in December?
What is the ocean temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
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?
How high is the UV index in December?
Average temperature in December
Fremont, CA
- Average high temperature in December: 56.5°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in December
Fremont, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in December
Fremont, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is May (6.1mph).
The calmest month (with the lowest average wind speed) is November (4.4mph).
Average humidity in December
Fremont, CA
- Average humidity in December: 70%
The month with the highest relative humidity is March (72%).
The months with the lowest relative humidity are July and September (59%).
Average rainfall in December
Fremont, CA
- Average rainfall in December: 0.67"
The wettest months (with the highest rainfall) are January, February, March and December (0.67").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in December
Fremont, CA
- Average rainfall days in December: 7.9 days
The month with the highest number of rainy days is March (8.9 days).
The month with the least rainy days is August (0.5 days).
Average sea temperature in December
Fremont, CA
- Average sea temperature in December: 54.9°F
The best month for swimming (with the highest average sea temperature) is August (57.7°F).
The coldest months (with the lowest average sea temperature) are February and April (53.2°F).
Average daylight in December /
Average sunshine in December
Fremont, 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 36min).
- Average sunshine in December: 5h and 5min
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 54min).
Average sunshine days in December
Fremont, CA
- Average sunshine days in December: 22.2 days
The month with the most sunshine days is July (30 days).
The month with the least sunshine days is March (20.7 days).
Average UV index in December
Fremont, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Fremont, CA
- Average cloud cover in December: 34
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 6).
Average visibility in December
Fremont, 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).
Fremont, California, USA
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