December weather forecast
Ceres, CA

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Weather in December

The first month of the winter, December, is still a mild month in Ceres, California, with an average temperature fluctuating between 41.9°F (5.5°C) and 55.6°F (13.1°C).

Temperature

In Ceres, California, December is the coldest month, with temperatures averaging a high of 55.6°F (13.1°C) and a low of 41.9°F (5.5°C).

Humidity

In December, the average relative humidity in Ceres is 70%.

Rainfall

In Ceres, in December, during 8.2 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, there are 54.3 rainfall days, and 6.54" (166mm) of precipitation is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Ceres.
On the first day of the month, sunrise is at 7:00 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:55 pm PST.

Sunshine

With an average of 6h of sunshine, December has the least sunshine of the year in Ceres, California.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Ceres. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 3 during December, leads to the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the coldest month in Ceres?

Ceres's coldest weather arrives in December, when temperatures average a high of 55.6°F (13.1°C) and a low of 41.9°F (5.5°C).

What is the temperature in December in Ceres?

Ceres in December has an average high-temperature of 55.6°F (13.1°C) and an average low-temperature of 41.9°F (5.5°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 93.2°F (34°C).

What is the average humidity in December in Ceres?

In Ceres, California, the average relative humidity in December is 70%.

How many days does it rain in December in Ceres?

In Ceres, California, during December, the rain falls for 8.2 days and regularly aggregates up to 1.22" (31mm) of precipitation.

What is the month with the shortest days in Ceres?

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

What is the average length of the day in December in Ceres?

The average day length in December in Ceres is 9h and 37min.

What time are sunrise and sunset in December in Ceres?

On the first day of December in Ceres, sunrise is at 7:00 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:55 pm PST.

What is the month with the least sunshine in Ceres?

The month with the least sunshine in Ceres, California, is December, with an average of 6h of sunshine.

How long on average sun shines in December in Ceres?

In December, the average sunshine duration in Ceres, California, is 6h.

When is the lowest UV index in Ceres?

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

What is the UV index intensity in December in Ceres?

The average daily maximum UV index in December in Ceres is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ceres, CA

Average temperature in December - Ceres, CA
  • Average high temperature in December: 55.6°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).

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Average pressure in December
Ceres, CA

Average pressure in December - Ceres, 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 June (29.91"Hg).

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Average wind speed in December
Ceres, CA

Average wind speed in December - Ceres, CA
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).

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Average humidity in December
Ceres, CA

Average humidity in December - Ceres, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

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Average rainfall in December
Ceres, CA

Average rainfall in December - Ceres, CA
  • Average rainfall in December: 1.22"

The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Ceres, CA

Average rainfall days in December - Ceres, CA
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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

Average daylight in December / Average sunshine in December - Ceres, 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: 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).

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Average sunshine days in December
Ceres, CA

Average sunshine days in December - Ceres, CA
  • Average sunshine days in December: 22 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).

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Average UV index in December
Ceres, CA

Average UV index in December - Ceres, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
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
Ceres, CA

Average cloud cover in December - Ceres, CA
  • Average cloud cover in December: 32

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Ceres, CA

Average visibility in December - Ceres, 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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Ceres, California, USA

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