December weather forecastStevinson, CA

December

Weather in December

December, the first month of the winter in Stevinson, is still a mild month, with an average temperature ranging between min 41.9°F (5.5°C) and max 56.1°F (13.4°C).

Temperature

Stevinson's coldest month, December, generally records average temperatures ranging from a high of 56.1°F (13.4°C) to a low of 41.9°F (5.5°C).

Humidity

The average relative humidity in December is 69%.

Rainfall

The wettest months are March and December, with an average 0.55" (14mm) of rainfall.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:59 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:56 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 6.2h of sunshine.

UV index

The months with the lowest UV index in Stevinson are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 3 during December leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Stevinson experiences its lowest temperatures in December, with an average peak of 56.1°F (13.4°C) and a low of 41.9°F (5.5°C).

The high-temperature in Stevinson during December is 56.1°F (13.4°C) and the low-temperature is 41.9°F (5.5°C). In May, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 82.4°F (28°C).

In Stevinson, the average relative humidity in December is 69%.

The months with the most rainfall are March and December, with an average 0.55" (14mm) of precipitation.

In Stevinson, during December, the rain falls for 5.1 days and regularly aggregates up to 0.55" (14mm) of precipitation.

The month with the shortest days is December, with an average of 9h and 36min of daylight.

In December, the average day length is 9h and 38min.

On the first day of December, sunrise is at 6:59 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:56 pm PST.

The month with the least sunshine is December, with an average of 6.2h of sunshine.

The average sunshine duration in December is 6.2h.

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

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Stevinson, CA

  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is July (98.6°F).
The month with the lowest average high temperature is December (56.1°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average pressure in December
Stevinson, CA

  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Stevinson, CA

  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.9mph).

Average humidity in December
Stevinson, CA

  • Average humidity in December: 69%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (34%).

Average rainfall in December
Stevinson, CA

  • Average rainfall in December: 0.55"

The wettest months (with the highest rainfall) are March and December (0.55").
The driest months (with the least rainfall) are June, July, August and September (0.04").

Average rainfall days in December
Stevinson, CA

  • Average rainfall days in December: 5.1 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (0.5 days).

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

  • Average daylight in December: 9h and 36min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in December: 6h and 12min

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 12min).

Average sunshine days in December
Stevinson, CA

  • Average sunshine days in December: 24.9 days

The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is February (23 days).

Average UV index in December
Stevinson, CA

  • Average UV index in December: 3

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

Average cloud cover in December
Stevinson, CA

  • Average cloud cover in December: 31

The month with the most cloud cover is December (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Stevinson, 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).