December weather forecast
Sultana, CA

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Weather in December

December, the first month of the winter in Sultana, is also a fresh month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 55.2°F (12.9°C).

Temperature

During the coldest month, December, temperatures average a high of 55.2°F (12.9°C) and a low of 40.1°F (4.5°C).

Humidity

In December, the average relative humidity is 63%.

Rainfall

In December, the rain falls for 7.5 days. Throughout December, 1.89" (48mm) of precipitation is accumulated. Throughout the year, there are 61.2 rainfall days, and 14.29" (363mm) of precipitation is accumulated.

Snowfall

Months with snowfall are February and December. The months with the most snowfall days are February and December, with an average of 0.1 snowfall days.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:51 am and sunset at 4:41 pm. On the last day of December, sunrise is at 7:09 am and sunset at 4:52 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 6.7h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 3 in December leads to these recommendations:
Heed the precautions - It is counselled to guard against solar damage. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What month is the coldest?

Sultana notes the coldest temperatures in December, with a average high of 55.2°F (12.9°C) and a low of 40.1°F (4.5°C).

What is the average December temperature?

The high-temperature, in December, in Sultana, records 55.2°F (12.9°C), while the low-temperature is 40.1°F (4.5°C).

What is the average humidity in December?

In December, the average relative humidity is 63%.

How much does it rain in December?

In Sultana, during December, the rain falls for 7.5 days and regularly aggregates up to 1.89" (48mm) of precipitation.

When does it snow the most?

The months with the most snowfall days in Sultana are February and December, with an average of 0.1 snowfall days.

When does it start to snow?

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 42min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 43min.

When are sunrise and sunset in December in Sultana?

In December, on the first day of the month, sunrise is at 6:51 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 4:52 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 6.7h of sunshine.

How long on average sun shines in December?

In Sultana, the average sunshine duration in December is 6.7h.

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from 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
Sultana, CA

Average temperature in December - Sultana, CA
  • Average high temperature in December: 55.2°F

The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in December: 40.1°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

Average pressure in December
Sultana, CA

Average pressure in December - Sultana, 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 (29.88"Hg).

Average wind speed in December
Sultana, CA

Average wind speed in December - Sultana, CA
  • Average wind speed in December: 3.4mph

The windiest month (with the highest average wind speed) is June (5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity in December
Sultana, CA

Average humidity in December - Sultana, CA
  • Average humidity in December: 63%

The month with the highest relative humidity is January (65%).
The month with the lowest relative humidity is August (30%).

Average rainfall in December
Sultana, CA

Average rainfall in December - Sultana, CA
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is March (2.72").
The driest months (with the least rainfall) are June and August (0.08").

Average rainfall days in December
Sultana, CA

Average rainfall days in December - Sultana, CA
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (1 days).

Average snowfall days in December
Sultana, CA

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

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

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

Average daylight in December / Average sunshine in December - Sultana, CA
  • Average daylight in December: 9h and 4min

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

  • Average sunshine in December: 6h and 4min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

Average sunshine days in December
Sultana, CA

Average sunshine days in December - Sultana, CA
  • Average sunshine days in December: 21.8 days

The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is March (19.8 days).

Average UV index in December
Sultana, CA

Average UV index in December - Sultana, 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
Sultana, CA

Average cloud cover in December - Sultana, CA
  • Average cloud cover in December: 23

The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are July and August (Cloud cover 4).

Average visibility in December
Sultana, CA

Average visibility in December - Sultana, 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).

Sultana, California, USA

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