December weather forecast
Fremont, CA

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A beautiful landscape of winding roads and serene residential estate in Fremont, California
A beautiful landscape of winding roads and serene residential estate in Fremont, California

Weather in December

December rounds off the year with the onset of winter in Fremont. The shorter days and maximum cloud coverage of 34% sets in the winter feeling. The sea temperature is at its coolest and the wind gains a bit of speed adding to the chill. Despite the seasonal changes, the city still enjoys a fair share of sunshine, averaging 5.9 hours per day. Also, rainfall is highest this month, accounting for 0.67" (17mm) over almost eight days, ensuring the city is ready to welcome the new year with a fresh and vibrant feel.

Temperature

In Fremont, December records the lowest average temperatures, peaking at 56.5°F (13.6°C) and reaching a low of 43°F (6.1°C).

Humidity

The average relative humidity in December in Fremont is 70%.

Rainfall

The wettest months are January through March and December, with an average 0.67" (17mm) of rainfall.

Ocean temperature

In Fremont, in December, the average water temperature is 54.9°F (12.7°C).
Note: Swimming in 54.9°F (12.7°C) is deemed hazardous. Exposure to temperatures below 50°F (10°C) leads to immediate severe cold shock and hyperventilation.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December in Fremont, 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

December has the least sunshine of the year, with an average of 5.9h of sunshine.

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 medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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Frequently asked questions

What part of the year is the coldest in Fremont?

Fremont's coldest month, December, registers temperatures that range from a high of 56.5°F (13.6°C) to a low of 43°F (6.1°C).

What is the temperature in December in Fremont?

In December, the average high-temperature and low-temperature are 56.5°F (13.6°C) and 43°F (6.1°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is evaluated at 82.4°F (28°C).

What is the average humidity in December in Fremont?

The average relative humidity in December is 70%.

What is the rainiest month in Fremont?

The wettest months in Fremont are January through March and December, with an average 0.67" (17mm) of rainfall.

How much does it rain in Fremont in December?

In Fremont, in December, it is raining for 7.9 days, with typically 0.67" (17mm) of accumulated precipitation.

What is the ocean temperature in December in Fremont?

In Fremont, California, in December, the average water temperature is 54.9°F (12.7°C). Swimming in 54.9°F (12.7°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the month with the shortest days in Fremont?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

How many hours of daylight does Fremont have in December?

In December, the average day length in Fremont is 9h and 37min.

What time are sunrise and sunset in December in Fremont?

In December, on the first day of the month, sunrise is at 7:04 am and sunset at 4:49 pm. On the last day of the month, in Fremont, sunrise is at 7:22 am and sunset at 5:00 pm PST.

What is the month with the least sunshine in Fremont?

With an average of 5.9h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in Fremont?

In December, the average sunshine duration in Fremont, California, is 5.9h.

What is the month with the lowest UV index in Fremont?

The months with the lowest UV index in Fremont, California, are January, February, November and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Fremont?

The average daily maximum UV index in December in Fremont, California, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Fremont, CA

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).

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Average pressure in December
Fremont, CA

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).

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Average wind speed in December
Fremont, CA

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).

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Average humidity in December
Fremont, CA

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%).

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Average rainfall in December
Fremont, CA

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").

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Average rainfall days in December
Fremont, CA

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).

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Average sea temperature in December
Fremont, CA

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).

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Average daylight in December /
Average sunshine in December
Fremont, CA

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).

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Average sunshine days in December
Fremont, CA

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).

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Average UV index in December
Fremont, CA

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).

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Average cloud cover in December
Fremont, CA

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).

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Average visibility in December
Fremont, CA

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).

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Fremont, California, USA

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