December weather forecast
Chowchilla, CA

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Weather in December

December, the first month of the winter in Chowchilla, is still a refreshing month, with an average temperature ranging between min 41.9°F (5.5°C) and max 56.3°F (13.5°C).

Temperature

December stands out as Chowchilla's coldest month, with an average high-temperature of 56.3°F (13.5°C) and a low-temperature of 41.9°F (5.5°C).

Humidity

In Chowchilla, the average relative humidity in December is 67%.

Rainfall

In December, the rain falls for 7 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. In Chowchilla, California, during the entire year, the rain falls for 51 days and collects up to 7.56" (192mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:54 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 6.2h 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 value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index of 3 during December translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What are the coldest months?

Temperature records mark December as the coldest month, with highs averaging 56.3°F (13.5°C) and lows at 41.9°F (5.5°C).

What is the temperature in December?

During December, Chowchilla experiences an average high-temperature of 56.3°F (13.5°C) and a low-temperature of 41.9°F (5.5°C). In May, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 82.4°F (28°C).

What is the average humidity in December?

The average relative humidity in December in Chowchilla is 67%.

How much does it rain in December?

In Chowchilla, California, in December, during 7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Chowchilla have in December?

In Chowchilla, the average day length in December is 9h and 40min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:56 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:54 pm PST.

What is the month with the least sunshine?

The month with the least sunshine in Chowchilla, California, is December, with an average of 6.2h of sunshine.

How long on average sun shines in December in Chowchilla?

The average sunshine duration in December in Chowchilla is 6.2h.

When is the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index estimate 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
Chowchilla, CA

Average temperature in December - Chowchilla, CA
  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average pressure in December
Chowchilla, CA

Average pressure in December - Chowchilla, 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).

Average wind speed in December
Chowchilla, CA

Average wind speed in December - Chowchilla, CA
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

Average humidity in December
Chowchilla, CA

Average humidity in December - Chowchilla, CA
  • Average humidity in December: 67%

The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (31%).

Average rainfall in December
Chowchilla, CA

Average rainfall in December - Chowchilla, CA
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").

Average rainfall days in December
Chowchilla, CA

Average rainfall days in December - Chowchilla, CA
  • Average rainfall days in December: 7 days

The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (0.8 days).

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

Average daylight in December / Average sunshine in December - Chowchilla, 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 1min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days in December
Chowchilla, CA

Average sunshine days in December - Chowchilla, CA
  • Average sunshine days in December: 23.3 days

The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).

Average UV index in December
Chowchilla, CA

Average UV index in December - Chowchilla, 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).

Average cloud cover in December
Chowchilla, CA

Average cloud cover in December - Chowchilla, CA
  • Average cloud cover in December: 30

The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July, August and September (Cloud cover 5).

Average visibility in December
Chowchilla, CA

Average visibility in December - Chowchilla, 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).

Chowchilla, California, USA

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