December weather forecast
Dinuba, CA

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Weather in December

December, the first month of the winter in Dinuba, is also a moderate month, with an average temperature varying between 40.6°F (4.8°C) and 56.1°F (13.4°C).

Temperature

In Dinuba, December records the lowest average temperatures, peaking at 56.1°F (13.4°C) and reaching a low of 40.6°F (4.8°C).

Humidity

In December, the average relative humidity is 65%.

Rainfall

In December, the rain falls for 8.1 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 62.1 rainfall days, and 14.49" (368mm) of precipitation is accumulated.

Snowfall

December is the only month when snow falls. The month with the most snowfall days is December, when snow falls for 0.1 days.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:51 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:52 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 6.4h 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 moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 in December translates into these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

Dinuba's December weather reaches an average high of 56.1°F (13.4°C) and an average low of 40.6°F (4.8°C), making it the coldest month.

What is the temperature in December in Dinuba?

The high-temperature, in December, in Dinuba, is 56.1°F (13.4°C), while the low-temperature averages to 40.6°F (4.8°C).

What is the average humidity in December?

The average relative humidity in December is 65%.

How much does it rain in December?

In Dinuba, in December, it is raining for 8.1 days, with typically 2.05" (52mm) of accumulated precipitation.

When does it snow the most?

December has the most snowfall days of the year in Dinuba. Snow falls for 0.1 days.

When does it start snowing?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days in Dinuba?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

In December, the average day length in Dinuba is 9h and 43min.

When are sunrise and sunset in December?

On the first day of December in Dinuba, sunrise is at 6:51 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:52 pm PST.

What is the month with the least sunshine?

With an average of 6.4h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Dinuba have in December?

The average sunshine duration in December is 6.4h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In Dinuba, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Dinuba, CA

Average temperature in December - Dinuba, CA
  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is July (99.1°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in December: 40.6°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).

Average pressure in December
Dinuba, CA

Average pressure in December - Dinuba, 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 (29.88"Hg).

Average wind speed in December
Dinuba, CA

Average wind speed in December - Dinuba, CA
  • Average wind speed in December: 3.8mph

The windiest month (with the highest average wind speed) is June (5.4mph).
The calmest month (with the lowest average wind speed) is December (3.8mph).

Average humidity in December
Dinuba, CA

Average humidity in December - Dinuba, CA
  • Average humidity in December: 65%

The month with the highest relative humidity is January (66%).
The months with the lowest relative humidity are July and August (30%).

Average rainfall in December
Dinuba, CA

Average rainfall in December - Dinuba, CA
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is March (2.76").
The driest months (with the least rainfall) are June and August (0.08").

Average rainfall days in December
Dinuba, CA

Average rainfall days in December - Dinuba, CA
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is March (11 days).
The month with the least rainy days is August (0.9 days).

Average snowfall days in December
Dinuba, CA

Average snowfall days in December - Dinuba, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Dinuba, CA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 6h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

Average sunshine days in December
Dinuba, CA

Average sunshine days in December - Dinuba, CA
  • Average sunshine days in December: 21.9 days

The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (19.6 days).

Average UV index in December
Dinuba, CA

Average UV index in December - Dinuba, 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
Dinuba, CA

Average cloud cover in December - Dinuba, CA
  • Average cloud cover in December: 27

The month with the most cloud cover is March (Cloud cover 28).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in December
Dinuba, CA

Average visibility in December - Dinuba, 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).

Dinuba, California, USA

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