December weather forecast and climate
Ballou, CA

Weather in December

December, the first month of the winter, in Ballou, is also an enjoyable month, with temperature in the range of an average high of 63°F (17.2°C) and an average low of 46.2°F (7.9°C).

Temperature

December is the coldest month, with an average high-temperature of 63°F (17.2°C) and an average low-temperature of 46.2°F (7.9°C).

Humidity

In Ballou, the average relative humidity in December is 51%.

Rainfall

Months with the most rainfall in Ballou, California, are February and December, with an average 1.42" (36mm) of precipitation.

Daylight

With an average of 9.9h of daylight, December has the shortest days of the year in Ballou.

Sunshine

February and December, with an average of 6.9h of sunshine, are months with the least sunshine in Ballou.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Ballou?

December is the coldest month in Ballou, with an average high-temperature of 63°F (17.2°C) and an average low-temperature of 46.2°F (7.9°C).

What is the temperature in December in Ballou?

In December, in Ballou, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 46.2°F (7.9°C).

What is the average humidity in December in Ballou?

In Ballou, the average relative humidity in December is 51%.

How many days does it rain in December in Ballou?

In Ballou, in December, during 5.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

What is the rainiest month in Ballou?

Months with the most rainfall in Ballou, California, are February and December, with an average 1.42" (36mm) of precipitation.

What is the month with the shortest days in Ballou?

The month with the shortest days is December, with an average of 9.9h of daylight.

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

The average length of the day in December is 9.9h.

What is the month with the least sunshine in Ballou?

February and December, with an average of 6.9h of sunshine, are months with the least sunshine in Ballou.

How many hours of sunshine does Ballou have in December?

In December, the average sunshine is 6.9h.

What is the month with the lowest UV index in Ballou?

December is the month with the lowest UV index, with an average maximum UV index of 3.

How high is the UV index in December in Ballou?

In Ballou, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in December
Ballou, CA

Average temperature in December - Ballou, CA
  • Average high temperature in December: 63°F

The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in December: 46.2°F

The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is February (45.9°F).

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Average pressure in December
Ballou, CA

Average pressure in December - Ballou, CA
  • Average pressure in December: 30.07"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in December
Ballou, CA

Average wind speed in December - Ballou, CA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is May (5.8mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

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Average humidity in December
Ballou, CA

Average humidity in December - Ballou, CA
  • Average humidity in December: 51%

Months with the highest relative humidity are March and May (54%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in December
Ballou, CA

Average rainfall in December - Ballou, CA
  • Average rainfall in December: 1.42"

The wettest months (with the highest rainfall) are February and December (1.42").
The driest months (with the least rainfall) are June and August (0.04").

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Average rainfall days in December
Ballou, CA

Average rainfall days in December - Ballou, CA
  • Average rainfall days in December: 5.8 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.1 days).

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

Average daylight in December / Average sunshine in December - Ballou, CA
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 6.9h

The month with the most sunshine is July (Average sunshine: 12.2h).
Months with the least sunshine are February and December (Average sunshine: 6.9).

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Average sunshine days in December
Ballou, CA

Average sunshine days in December - Ballou, CA
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is February (21.5 days).

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Average UV index in December
Ballou, CA

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

Months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Ballou, CA

Average cloud cover in December - Ballou, CA
  • Average cloud cover in December: 21

Months with the most cloud cover are February, March and December (Cloud cover 21).
Months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in December
Ballou, CA

Average visibility in December - Ballou, CA
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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