December weather forecast
Ellis, CA

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Weather in December

The first month of the winter, December, is still a refreshing month in Ellis, California, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 43°F (6.1°C).

Temperature

December, noted for its average high-temperature of 61°F (16.1°C) and an average low-temperature of 43°F (6.1°C), is considered the coldest month.

Humidity

In Ellis, the average relative humidity in December is 56%.

Rainfall

December is the month with the most rainfall in Ellis, California. Rain falls for 6.5 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

In Ellis, snow does not fall in January, March through December.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 6:36 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:50 pm PST.

Sunshine

With an average of 6.7h of sunshine, December has the least sunshine of the year in Ellis.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index in Ellis. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. When the Sun is at its strongest around midday, find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the coldest month in Ellis?

The coldest temperatures occur during December, when averages reach a peak of 61°F (16.1°C) and a low of 43°F (6.1°C).

What is the average December temperature in Ellis?

December temperatures in Ellis vary between a high-temperature of 61°F (16.1°C) and a low-temperature of 43°F (6.1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in September is evaluated at 87.8°F (31°C).

What is the average humidity in December in Ellis?

In Ellis, the average relative humidity in December is 56%.

What is the rainiest month in Ellis?

December is the month with the most rainfall in Ellis. Rain falls for 6.5 days and accumulates 1.38" (35mm) of precipitation.

How many days does it rain in December in Ellis?

In Ellis, in December, during 6.5 rainfall days, 1.38" (35mm) of precipitation is typically accumulated.

When it does not snow in Ellis?

In Ellis, California, snow does not fall in January, March through December.

What is the month with the shortest days in Ellis?

The month with the shortest days is December, with an average of 10h and 0min of daylight.

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

In Ellis, California, the average day length in December is 9h and 57min.

When is the sunrise / sunset in December in Ellis?

On the first day of December in Ellis, sunrise is at 6:36 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 4:50 pm PST.

What is the month with the least sunshine in Ellis?

December has the least sunshine of the year in Ellis, California, with an average of 6.7h of sunshine.

How long on average sun shines in December in Ellis?

In December, the average sunshine duration in Ellis is 6.7h.

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

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

How high is the UV index in December in Ellis?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Ellis, CA

Average temperature in December - Ellis, CA
  • Average high temperature in December: 61°F

The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is December (61°F).

  • Average low temperature in December: 43°F

The month with the highest average low temperature is August (63.3°F).
The coldest month (with the lowest average low temperature) is December (43°F).

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Average pressure in December
Ellis, CA

Average pressure in December - Ellis, CA
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Ellis, CA

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

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4.2mph).

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Average humidity in December
Ellis, CA

Average humidity in December - Ellis, CA
  • Average humidity in December: 56%

The month with the highest relative humidity is May (60%).
The month with the lowest relative humidity is August (47%).

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Average rainfall in December
Ellis, CA

Average rainfall in December - Ellis, CA
  • Average rainfall in December: 1.38"

The wettest month (with the highest rainfall) is December (1.38").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Ellis, CA

Average rainfall days in December - Ellis, CA
  • Average rainfall days in December: 6.5 days

The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall in December
Ellis, CA

Average snowfall in December - Ellis, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Ellis, CA

Average snowfall days in December - Ellis, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Ellis, CA
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in December
Ellis, CA

Average sunshine days in December - Ellis, CA
  • Average sunshine days in December: 23.5 days

The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is February (21.6 days).

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Average UV index in December
Ellis, CA

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

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Ellis, CA

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

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
Ellis, CA

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

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