December weather forecast and climate
Winterwarm, CA

Weather in December

The first month of the winter, December, is also an enjoyable month in Winterwarm, California, with average temperature ranging between max 63°F (17.2°C) and min 46.9°F (8.3°C).

Temperature

December is the coldest month, with an average high-temperature of 63°F (17.2°C) and an average low-temperature of 46.9°F (8.3°C).

Humidity

In December, the average relative humidity in Winterwarm is 60%.

Rainfall

December is the month with the most rainfall in Winterwarm, California. Rain falls for 7.2 days and accumulates 1.85" (47mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 10h of daylight.

Sunshine

With an average of 6.6h of sunshine, December has the least sunshine of the year in Winterwarm.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Winterwarm. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the coldest month in Winterwarm?

The coldest month in Winterwarm is December, with an average high-temperature of 63°F (17.2°C) and an average low-temperature of 46.9°F (8.3°C).

What is the temperature in December in Winterwarm?

The average high-temperature, in December, in Winterwarm, California, is 63°F (17.2°C), while the average low-temperature is 46.9°F (8.3°C).

What is the average humidity in December in Winterwarm?

In December, the average relative humidity in Winterwarm, California, is 60%.

How many days does it rain in December in Winterwarm?

In December, the rain falls for 7.2 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

What is the rainiest month in Winterwarm?

December is the month with the most rainfall in Winterwarm. Rain falls for 7.2 days and accumulates 1.85" (47mm) of precipitation.

What is the month with the shortest days in Winterwarm?

The month with the shortest days in Winterwarm, California, is December, with an average of 10h of daylight.

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

In Winterwarm, California, the average length of the day in December is 10h.

What is the month with the least sunshine in Winterwarm?

The month with the least sunshine is December, with an average of 6.6h of sunshine.

How long on average sun shines in December in Winterwarm?

In Winterwarm, California, the average sunshine in December is 6.6h.

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

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

How high is the UV index in December in Winterwarm?

In Winterwarm, California, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Winterwarm, CA

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

The warmest month (with the highest average high temperature) is August (83.3°F).
The month with the lowest average high temperature is December (63°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is August (63°F).
The coldest months (with the lowest average low temperature) are February and December (46.9°F).

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Average pressure in December
Winterwarm, CA

Average pressure in December - Winterwarm, CA
  • Average pressure in December: 30.06"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in December
Winterwarm, CA

Average wind speed in December - Winterwarm, CA
  • Average wind speed in December: 4.8mph

The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

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Average humidity in December
Winterwarm, CA

Average humidity in December - Winterwarm, CA
  • Average humidity in December: 60%

The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is November (55%).

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Average rainfall in December
Winterwarm, CA

Average rainfall in December - Winterwarm, CA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Winterwarm, CA

Average rainfall days in December - Winterwarm, CA
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is June (1.2 days).

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

Average daylight in December / Average sunshine in December - Winterwarm, CA
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 6.6h

Months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6.6h).

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Average sunshine days in December
Winterwarm, CA

Average sunshine days in December - Winterwarm, CA
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is February (20 days).

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Average UV index in December
Winterwarm, CA

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

Months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Winterwarm, CA

Average cloud cover in December - Winterwarm, CA
  • Average cloud cover in December: 24

Months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in December
Winterwarm, CA

Average visibility in December - Winterwarm, 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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