December weather forecast
Avenal, CA

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Weather in December

The first month of the winter, December, is still a mild month in Avenal, California, with an average temperature ranging between max 56.3°F (13.5°C) and min 41.7°F (5.4°C).

Temperature

December is the month when Avenal sees the lowest average temperatures, with a high of 56.3°F (13.5°C) and a low of 41.7°F (5.4°C).

Humidity

The months with the highest humidity are January and December, with an average relative humidity of 67%.

Rainfall

In December, in Avenal, the rain falls for 6.6 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Avenal, there are 48.4 rainfall days, and 5.59" (142mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:46 pm. On the last day of December, sunrise is at 7:10 am and sunset at 4:56 pm PST.

Sunshine

The average sunshine in December in Avenal is 6.4h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Avenal. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What month is the coldest in Avenal?

December proves to be the coldest month, recording an average maximum temperature of 56.3°F (13.5°C) and a minimum temperature of 41.7°F (5.4°C).

What are December temperatures in Avenal?

An average high-temperature, in December, in Avenal, is 56.3°F (13.5°C) and the average low-temperature is 41.7°F (5.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in May is estimated at 80.6°F (27°C).

What are the most humid months in Avenal?

The months with the highest humidity in Avenal, California, are January and December, with an average relative humidity of 67%.

What is the average humidity in December in Avenal?

In December, the average relative humidity is 67%.

How much does it rain in Avenal in December?

In December, in Avenal, California, the rain falls for 6.6 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

What is the month with the shortest days in Avenal?

December has the shortest days of the year in Avenal, with an average of 9h and 48min of daylight.

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

The average day length in December in Avenal, California, is 9h and 46min.

What time are sunrise and sunset in December in Avenal?

In December, on the first day of the month, sunrise is at 6:53 am and sunset at 4:46 pm. On the last day of the month, in Avenal, California, sunrise is at 7:10 am and sunset at 4:56 pm PST.

How many hours of sunshine does Avenal have in December?

In Avenal, the average sunshine duration in December is 6.4h.

When is the lowest UV index in Avenal?

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

What is the UV index intensity in December in Avenal?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Avenal, CA

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

The warmest month (with the highest average high temperature) is July (98.6°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in December: 41.7°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (41.7°F).

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Average pressure in December
Avenal, CA

Average pressure in December - Avenal, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Avenal, CA

Average wind speed in December - Avenal, CA
  • Average wind speed in December: 4mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are January and December (4mph).

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Average humidity in December
Avenal, CA

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

The months with the highest relative humidity are January and December (67%).
The month with the lowest relative humidity is July (32%).

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Average rainfall in December
Avenal, CA

Average rainfall in December - Avenal, CA
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in December
Avenal, CA

Average rainfall days in December - Avenal, CA
  • Average rainfall days in December: 6.6 days

The month with the highest number of rainy days is March (8.2 days).
The month with the least rainy days is August (0.5 days).

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

Average daylight in December / Average sunshine in December - Avenal, CA
  • Average daylight in December: 9h and 5min

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 48min).

  • Average sunshine in December: 6h and 2min

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

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Average sunshine days in December
Avenal, CA

Average sunshine days in December - Avenal, CA
  • Average sunshine days in December: 23 days

The month with the most sunshine days is August (29.5 days).
The month with the least sunshine days is February (20.1 days).

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Average UV index in December
Avenal, CA

Average UV index in December - Avenal, 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
Avenal, CA

Average cloud cover in December - Avenal, CA
  • Average cloud cover in December: 29

The months with the most cloud cover are February, March and December (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in December
Avenal, CA

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

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