December weather forecast
Nacomis Indian Rancheria, CA

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Weather in December

The first month of the winter, December, is also a fresh month in Nacomis Indian Rancheria, California, with temperature in the range of an average low of 37.2°F (2.9°C) and an average high of 52.9°F (11.6°C).

Temperature

December stands out as Nacomis Indian Rancheria's coldest month, with an average high-temperature of 52.9°F (11.6°C) and a low-temperature of 37.2°F (2.9°C).

Humidity

In Nacomis Indian Rancheria, the average relative humidity in December is 73%.

Rainfall

In Nacomis Indian Rancheria, during December, the rain falls for 12.2 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Nacomis Indian Rancheria, during the entire year, the rain falls for 88.1 days and collects up to 20.28" (515mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Nacomis Indian Rancheria, in December, snow falls for 0.2 days, with typically accumulated 0.08" (2mm) of snow. Throughout the year, in Nacomis Indian Rancheria, there are 1.8 snowfall days, and 1.26" (32mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Nacomis Indian Rancheria.
On the first day of the month, sunrise is at 7:12 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:00 pm PST.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year in Nacomis Indian Rancheria.

UV index

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the coldest time of year in Nacomis Indian Rancheria?

In Nacomis Indian Rancheria, the lowest temperatures are generally noted in December, averaging a high of 52.9°F (11.6°C) and a low of 37.2°F (2.9°C).

What are December temperatures in Nacomis Indian Rancheria?

The average high-temperature and low-temperature in Nacomis Indian Rancheria during December are 52.9°F (11.6°C) and 37.2°F (2.9°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in December in Nacomis Indian Rancheria?

In December, the average relative humidity is 73%.

How many days does it rain in December in Nacomis Indian Rancheria?

In Nacomis Indian Rancheria, California, during December, the rain falls for 12.2 days and regularly aggregates up to 3.62" (92mm) of precipitation.

How much does it snow in Nacomis Indian Rancheria in December?

In Nacomis Indian Rancheria, California, in December, snow falls for 0.2 days, with typically accumulated 0.08" (2mm) of snow.

What is the month with the shortest days in Nacomis Indian Rancheria?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Nacomis Indian Rancheria?

In December, the average day length is 9h and 29min.

When is the sunrise / sunset in December in Nacomis Indian Rancheria?

On the first day of December in Nacomis Indian Rancheria, California, sunrise is at 7:12 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:00 pm PST.

What is the month with the least sunshine in Nacomis Indian Rancheria?

With an average of 5.3h of sunshine, December has the least sunshine of the year in Nacomis Indian Rancheria, California.

How long on average sun shines in December in Nacomis Indian Rancheria?

The average sunshine duration in December is 5.3h.

What is the UV index reading in December in Nacomis Indian Rancheria?

In Nacomis Indian Rancheria, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Nacomis Indian Rancheria, CA

Average temperature in December - Nacomis Indian Rancheria, CA
  • Average high temperature in December: 52.9°F

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (52.9°F).

  • Average low temperature in December: 37.2°F

The months with the highest average low temperature are July and August (56.7°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure in December
Nacomis Indian Rancheria, CA

Average pressure in December - Nacomis Indian Rancheria, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).

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Average wind speed in December
Nacomis Indian Rancheria, CA

Average wind speed in December - Nacomis Indian Rancheria, CA
  • Average wind speed in December: 4.5mph

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 November (4.2mph).

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Average humidity in December
Nacomis Indian Rancheria, CA

Average humidity in December - Nacomis Indian Rancheria, CA
  • Average humidity in December: 73%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (48%).

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Average rainfall in December
Nacomis Indian Rancheria, CA

Average rainfall in December - Nacomis Indian Rancheria, CA
  • Average rainfall in December: 3.62"

The wettest month (with the highest rainfall) is February (3.94").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Nacomis Indian Rancheria, CA

Average rainfall days in December - Nacomis Indian Rancheria, CA
  • Average rainfall days in December: 12.2 days

The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall in December
Nacomis Indian Rancheria, CA

Average snowfall in December - Nacomis Indian Rancheria, CA
  • Average snowfall in December: 0.08"

The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Nacomis Indian Rancheria, CA

Average snowfall days in December - Nacomis Indian Rancheria, CA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Nacomis Indian Rancheria, CA

Average daylight in December / Average sunshine in December - Nacomis Indian Rancheria, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Nacomis Indian Rancheria, CA

Average sunshine days in December - Nacomis Indian Rancheria, CA
  • Average sunshine days in December: 18 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (14.3 days).

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Average UV index in December
Nacomis Indian Rancheria, CA

Average UV index in December - Nacomis Indian Rancheria, 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 November (UV index 2).

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Average cloud cover in December
Nacomis Indian Rancheria, CA

Average cloud cover in December - Nacomis Indian Rancheria, CA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).

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Average visibility in December
Nacomis Indian Rancheria, CA

Average visibility in December - Nacomis Indian Rancheria, CA
  • Average visibility in December: 5mi

The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).

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Nacomis Indian Rancheria, California, USA

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