December weather forecastCima, CA

December

Weather in December

The first month of the winter, December, is still a refreshing month in Cima, California, with an average temperature fluctuating between 43.5°F (6.4°C) and 56.3°F (13.5°C).

Temperature

Cima's temperature records reveal December as the coldest month, marked by average highs of 56.3°F (13.5°C) and lows of 43.5°F (6.4°C).

Humidity

In Cima, the average relative humidity in December is 41%.

Rainfall

The month with the most rainfall in Cima is December, when the rain falls for 5.5 days and typically aggregates up to 0.67" (17mm) of precipitation.

Snowfall

The only month with snowfall in Cima is December. December has the most snowfall days of the year. Snow falls for 0.1 days.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:32 am and sunset at 4:29 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:40 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 7h of sunshine.

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

During the coldest month in Cima, December, temperatures average a high of 56.3°F (13.5°C) and a low of 43.5°F (6.4°C).

An average high-temperature, in December, in Cima, is 56.3°F (13.5°C) and the average low-temperature is 43.5°F (6.4°C).

In December, the average relative humidity is 41%.

December is the month with the most rainfall in Cima. Rain falls for 5.5 days and accumulates 0.67" (17mm) of precipitation.

In December, in Cima, the rain falls for 5.5 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

December has the most snowfall days of the year in Cima. Snow falls for 0.1 days.

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

With an average of 9h and 48min of daylight, December has the shortest days of the year in Cima.

The average day length in December in Cima, California, is 9h and 50min.

On the first day of December in Cima, sunrise is at 6:32 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:40 pm PST.

December has the least sunshine of the year in Cima, California, with an average of 7h of sunshine.

In December, the average sunshine duration is 7h.

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

In December, the average daily maximum UV index in Cima, California, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cima, CA

  • Average high temperature in December: 56.3°F

The warmest month (with the highest average high temperature) is July (100.8°F).
The month with the lowest average high temperature is December (56.3°F).

  • Average low temperature in December: 43.5°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is December (43.5°F).

Average pressure in December
Cima, CA

  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

Average wind speed in December
Cima, CA

  • Average wind speed in December: 9.4mph

The windiest month (with the highest average wind speed) is April (10.1mph).
The calmest month (with the lowest average wind speed) is September (7.6mph).

Average humidity in December
Cima, CA

  • Average humidity in December: 41%

The month with the highest relative humidity is January (42%).
The month with the lowest relative humidity is June (14%).

Average rainfall in December
Cima, CA

  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is December (0.67").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Cima, CA

  • Average rainfall days in December: 5.5 days

The month with the highest number of rainy days is July (5.9 days).
The month with the least rainy days is June (1.1 days).

Average snowfall days in December
Cima, 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
Cima, CA

  • Average daylight in December: 9h and 48min

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

  • Average sunshine in December: 7h and 0min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days in December
Cima, CA

  • Average sunshine days in December: 24.5 days

The month with the most sunshine days is June (28.3 days).
The month with the least sunshine days is July (20.3 days).

Average UV index in December
Cima, CA

  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Cima, CA

  • Average cloud cover in December: 19

The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).

Average visibility in December
Cima, 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).