December weather forecast
Valinda, CA

Share

Weather in December

December, the first month of the winter in Valinda, is still a refreshing month, with an average temperature ranging between min 47.3°F (8.5°C) and max 63.5°F (17.5°C).

Temperature

December, marked by an average high-temperature of 63.5°F (17.5°C) and a low-temperature of 47.3°F (8.5°C), is the coldest month.

Humidity

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

Rainfall

The month with the most rainfall in Valinda is December, when the rain falls for 5.9 days and typically aggregates up to 1.73" (44mm) of precipitation.

Snowfall

December is the only month when snow falls in Valinda. December has the most snowfall days of the year in Valinda. Snow falls for 0.1 days.

Daylight

December has the shortest days of the year, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of December, sunrise is at 6:57 am and sunset at 4:53 pm PST.

Sunshine

The months with the least sunshine are February and December, with an average of 6.9h of sunshine.

UV index

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Valinda. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 4 suggests these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest in Valinda?

With average temperatures fluctuating between a high of 63.5°F (17.5°C) and a low of 47.3°F (8.5°C), December stands out as the coldest month in Valinda.

What are December temperatures in Valinda?

The high-temperature, in December, in Valinda, is 63.5°F (17.5°C), while the low-temperature averages to 47.3°F (8.5°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 87.8°F (31°C).

What is the average humidity in December in Valinda?

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

What is the wettest month in Valinda?

December is the month with the most rainfall. Rain falls for 5.9 days and accumulates 1.73" (44mm) of precipitation.

How many days does it rain in December in Valinda?

In Valinda, California, in December, during 5.9 rainfall days, 1.73" (44mm) of precipitation is typically accumulated.

What is the snowiest month in Valinda?

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

When does it start snowing in Valinda?

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

What is the month with the shortest days in Valinda?

With an average of 9h and 54min of daylight, December has the shortest days of the year in Valinda.

How many hours of daylight does Valinda have in December?

The average day length in December in Valinda is 9h and 56min.

When is the sunrise / sunset in December in Valinda?

In December, on the first day of the month, sunrise is at 6:39 am and sunset at 4:42 pm. On the last day of the month, in Valinda, sunrise is at 6:57 am and sunset at 4:53 pm PST.

What is the month with the least sunshine in Valinda?

February and December, with an average of 6.9h of sunshine, are months with the least sunshine in Valinda, California.

How many hours of sunshine does Valinda have in December?

In December, the average sunshine duration in Valinda, California, is 6.9h.

When is the lowest UV index in Valinda?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4.

How high is the UV index in December in Valinda?

In Valinda, California, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Valinda, CA

Average temperature in December - Valinda, CA
  • Average high temperature in December: 63.5°F

The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is December (63.5°F).

  • Average low temperature in December: 47.3°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is December (47.3°F).

Average pressure in December
Valinda, CA

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

Average wind speed in December
Valinda, CA

Average wind speed in December - Valinda, CA
  • Average wind speed in December: 5.1mph

The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest months (with the lowest average wind speed) are September and October (4.5mph).

Average humidity in December
Valinda, CA

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

The months with the highest relative humidity are May and June (57%).
The month with the lowest relative humidity is November (46%).

Average rainfall in December
Valinda, CA

Average rainfall in December - Valinda, CA
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in December
Valinda, CA

Average rainfall days in December - Valinda, CA
  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.3 days).

Average snowfall days in December
Valinda, CA

Average snowfall days in December - Valinda, 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
Valinda, CA

Average daylight in December / Average sunshine in December - Valinda, 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 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 54min).

Average sunshine days in December
Valinda, CA

Average sunshine days in December - Valinda, CA
  • Average sunshine days in December: 23.9 days

The month with the most sunshine days is June (28 days).
The month with the least sunshine days is February (21.6 days).

Average UV index in December
Valinda, CA

Average UV index in December - Valinda, CA
  • Average UV index in December: 4

The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 4).

Average cloud cover in December
Valinda, CA

Average cloud cover in December - Valinda, CA
  • Average cloud cover in December: 22

The month with the most cloud cover is December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in December
Valinda, CA

Average visibility in December - Valinda, 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).

Valinda, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location