December weather forecast
Carmichael, CA

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Weather in December

December, the first month of the winter in Carmichael, is still a cool month, with an average temperature ranging between min 40.8°F (4.9°C) and max 54.1°F (12.3°C).

Temperature

The coldest month is December, with an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 40.8°F (4.9°C).

Humidity

In December, the average relative humidity in Carmichael is 71%.

Rainfall

In Carmichael, in December, it is raining for 8.9 days, with typically 1.77" (45mm) of accumulated precipitation. Throughout the year, there are 67.3 rainfall days, and 10.79" (274mm) of precipitation is accumulated.

Snowfall

The only month with snowfall is December. The month with the most snowfall days is December, when snow falls for 0.1 days.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:04 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:54 pm PST.

Sunshine

With an average of 5.8h of sunshine, December has the least sunshine of the year.

UV index

February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

December stands out as Carmichael's coldest month, with temperatures ranging between an average high of 54.1°F (12.3°C) and a low of 40.8°F (4.9°C).

What are December temperatures?

The high-temperature during December is 54.1°F (12.3°C) and the low-temperature is 40.8°F (4.9°C). In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is appraised at 89.6°F (32°C).

What is the average humidity in December?

In Carmichael, the average relative humidity in December is 71%.

How much does it rain in December?

In December, the rain falls for 8.9 days. Throughout December, 1.77" (45mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall days is December, when snow falls for 0.1 days.

When does it start snowing?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 31min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:04 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:54 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.8h of sunshine.

How many hours of sunshine does Carmichael have in December?

The average sunshine duration in December is 5.8h.

What are the months with the lowest UV index?

February, 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 December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Carmichael, CA

Average temperature in December - Carmichael, CA
  • Average high temperature in December: 54.1°F

The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in December: 40.8°F

The months with the highest average low temperature are July and August (60.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).

Average pressure in December
Carmichael, CA

Average pressure in December - Carmichael, CA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Carmichael, CA

Average wind speed in December - Carmichael, CA
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

Average humidity in December
Carmichael, CA

Average humidity in December - Carmichael, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are July and September (43%).

Average rainfall in December
Carmichael, CA

Average rainfall in December - Carmichael, CA
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in December
Carmichael, CA

Average rainfall days in December - Carmichael, CA
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is March (12 days).
The months with the least rainy days are June and July (1.3 days).

Average snowfall days in December
Carmichael, CA

Average snowfall days in December - Carmichael, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

Average sunshine days in December
Carmichael, CA

Average sunshine days in December - Carmichael, CA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (18.1 days).

Average UV index in December
Carmichael, CA

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

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 3).

Average cloud cover in December
Carmichael, CA

Average cloud cover in December - Carmichael, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Carmichael, CA

Average visibility in December - Carmichael, 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).

Carmichael, California, USA

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