December weather forecast
Rimforest, CA

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Weather in December

The first month of the winter, December, is also a moderate month in Rimforest, California, with an average temperature varying between 41.5°F (5.3°C) and 57.7°F (14.3°C).

Temperature

The coldest month is December, with an average high-temperature of 57.7°F (14.3°C) and an average low-temperature of 41.5°F (5.3°C).

Humidity

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

Rainfall

The month with the most rainfall is December, when the rain falls for 6.8 days and typically aggregates up to 1.42" (36mm) of precipitation.

Snowfall

January, March through December are months without snowfall in Rimforest, California.

Daylight

December has the shortest days of the year in Rimforest, California, with an average of 9h and 54min of daylight.
On the first day of December in Rimforest, sunrise is at 6:37 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:49 pm PST.

Sunshine

The month with the least sunshine in Rimforest, California, is December, with an average of 6.9h of sunshine.

UV index

The months with the lowest UV index in Rimforest, California, are November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: A daily high UV index of 3 in December leads to these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
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Frequently asked questions

What time of the year is the coldest in Rimforest?

December, with average temperatures reaching a high of 57.7°F (14.3°C) and a low of 41.5°F (5.3°C), is the coldest month in Rimforest, California.

What is the average December temperature in Rimforest?

The high-temperature, in December, in Rimforest, records 57.7°F (14.3°C), while the low-temperature is 41.5°F (5.3°C). In June, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 84.2°F (29°C).

What is the average humidity in December in Rimforest?

The average relative humidity in December is 51%.

What is the wettest month in Rimforest?

The month with the most rainfall in Rimforest is December, when the rain falls for 6.8 days and typically aggregates up to 1.42" (36mm) of precipitation.

How many days does it rain in December in Rimforest?

In Rimforest, California, during December, the rain falls for 6.8 days and regularly aggregates up to 1.42" (36mm) of precipitation.

When it does not snow in Rimforest?

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

What is the month with the shortest days in Rimforest?

December has the shortest days of the year in Rimforest, California, with an average of 9h and 54min of daylight.

How many hours of daylight does Rimforest have in December?

In Rimforest, the average day length in December is 9h and 55min.

When is the sunrise / sunset in December in Rimforest?

In December, on the first day of the month, sunrise is at 6:37 am and sunset at 4:39 pm. On the last day of the month, in Rimforest, sunrise is at 6:54 am and sunset at 4:49 pm PST.

What is the month with the least sunshine in Rimforest?

With an average of 6.9h of sunshine, December has the least sunshine of the year.

How many hours of sunshine does Rimforest have in December?

In December, the average sunshine duration is 6.9h.

What are the months with the lowest UV index in Rimforest?

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

What is the UV index reading in December in Rimforest?

In Rimforest, California, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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
Rimforest, CA

Average temperature in December - Rimforest, CA
  • Average high temperature in December: 57.7°F

The warmest month (with the highest average high temperature) is August (90.9°F).
The month with the lowest average high temperature is December (57.7°F).

  • Average low temperature in December: 41.5°F

The month with the highest average low temperature is August (66.6°F).
The coldest months (with the lowest average low temperature) are February and December (41.5°F).

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Average pressure in December
Rimforest, CA

Average pressure in December - Rimforest, 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 (29.84"Hg).

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Average wind speed in December
Rimforest, CA

Average wind speed in December - Rimforest, CA
  • Average wind speed in December: 5.4mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is September (4.8mph).

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Average humidity in December
Rimforest, CA

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

The month with the highest relative humidity is February (52%).
The month with the lowest relative humidity is August (36%).

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Average rainfall in December
Rimforest, CA

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

The wettest month (with the highest rainfall) is December (1.42").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in December
Rimforest, CA

Average rainfall days in December - Rimforest, CA
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is March (7.3 days).
The month with the least rainy days is June (1.3 days).

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Average snowfall days in December
Rimforest, CA

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

The month with the highest number of snowfall days is February (0.1 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
Rimforest, CA

Average daylight in December / Average sunshine in December - Rimforest, CA
  • Average daylight in December: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 6h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

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Average sunshine days in December
Rimforest, CA

Average sunshine days in December - Rimforest, CA
  • Average sunshine days in December: 22.9 days

The month with the most sunshine days is June (28.5 days).
The month with the least sunshine days is February (20.9 days).

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Average UV index in December
Rimforest, CA

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

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

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Average cloud cover in December
Rimforest, CA

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

The months with the most cloud cover are March and December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).

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Average visibility in December
Rimforest, CA

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

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