December weather forecast
Clovis, CA

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Weather in December

December marks the arrival of winter in Clovis, with the coolest average temperatures recorded for the year. Though the weather remains dry with minimal rainfall, the increase in cloud cover and humid conditions give the city a wintery feel. The shortened daylight hours and a slow decline in sunshine duration signify the end of the year. Lower winds speeds contribute to the crisp, cold winter mornings. Overall, expect a tranquil and cool holiday season.

Temperature

With an average high-temperature of 56.1°F (13.4°C) and an average low-temperature of 41.4°F (5.2°C), December is the coldest month in Clovis.

Humidity

The average relative humidity in December in Clovis, California, is 63%.

Rainfall

In Clovis, in December, it is raining for 7.6 days, with typically 1.77" (45mm) of accumulated precipitation. In Clovis, during the entire year, the rain falls for 58.2 days and collects up to 11.18" (284mm) of precipitation.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:11 am and sunset at 4:52 pm PST.

Sunshine

With an average of 6.5h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Clovis, California, are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The UV index of 3 in December translates into these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Frequently asked questions

What month is the coldest in Clovis?

The coldest period in Clovis is December, when temperatures fluctuate between an average high of 56.1°F (13.4°C) and a low of 41.4°F (5.2°C).

What are December temperatures in Clovis?

The high-temperature, in December, in Clovis, is 56.1°F (13.4°C), while the low-temperature averages to 41.4°F (5.2°C).

What is the average humidity in December in Clovis?

The average relative humidity in December in Clovis, California, is 63%.

How much does it rain in Clovis in December?

In Clovis, during December, the rain falls for 7.6 days and regularly aggregates up to 1.77" (45mm) of precipitation.

What is the month with the shortest days in Clovis?

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

How many hours of daylight does Clovis have in December?

In December, the average day length in Clovis is 9h and 41min.

What time are sunrise and sunset in December in Clovis?

On the first day of December in Clovis, California, sunrise is at 6:53 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 4:52 pm PST.

What is the month with the least sunshine in Clovis?

December has the least sunshine of the year in Clovis, California, with an average of 6.5h of sunshine.

How many hours of sunshine does Clovis have in December?

In December, the average sunshine duration in Clovis, California, is 6.5h.

When is the lowest UV index in Clovis?

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

What is the UV index intensity in December in Clovis?

In December, the average daily maximum UV index in Clovis, California, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from 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
Clovis, CA

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

The warmest month (with the highest average high temperature) is July (98.8°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in December: 41.4°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in December
Clovis, CA

Average pressure in December - Clovis, 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 (29.89"Hg).

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Average wind speed in December
Clovis, CA

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

The windiest month (with the highest average wind speed) is June (5.5mph).
The calmest month (with the lowest average wind speed) is November (3.7mph).

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Average humidity in December
Clovis, CA

Average humidity in December - Clovis, CA
  • Average humidity in December: 63%

The month with the highest relative humidity is January (65%).
The months with the lowest relative humidity are July and August (28%).

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Average rainfall in December
Clovis, CA

Average rainfall in December - Clovis, CA
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is March (2.2").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in December
Clovis, CA

Average rainfall days in December - Clovis, CA
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (1.3 days).

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

Average daylight in December / Average sunshine in December - Clovis, 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 3min

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 30min).

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Average sunshine days in December
Clovis, CA

Average sunshine days in December - Clovis, CA
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is August (28.3 days).
The month with the least sunshine days is March (19.8 days).

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Average UV index in December
Clovis, CA

Average UV index in December - Clovis, 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
Clovis, CA

Average cloud cover in December - Clovis, CA
  • Average cloud cover in December: 26

The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 4).

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Average visibility in December
Clovis, CA

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

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