December weather forecast
Shafter, CA

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Weather in December

December, the first month of the winter in Shafter, is still a refreshing month, with an average temperature fluctuating between 41.9°F (5.5°C) and 58.8°F (14.9°C).

Temperature

The lowest temperatures are recorded in December, with averages reaching a high of 58.8°F (14.9°C) and a low of 41.9°F (5.5°C).

Humidity

January and December, with an average relative humidity of 61%, are the most humid months.

Rainfall

In Shafter, in December, during 6.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Shafter, during the entire year, the rain falls for 51.3 days and collects up to 7.01" (178mm) of precipitation.

Snowfall

March through December are months without snowfall.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:48 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:54 pm PST.

Sunshine

The month with the least sunshine in Shafter is December, with an average of 6.5h of sunshine.

UV index

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 vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

Shafter's temperature records reveal December as the coldest month, marked by average highs of 58.8°F (14.9°C) and lows of 41.9°F (5.5°C).

What is the average December temperature?

December temperatures vary between a high-temperature of 58.8°F (14.9°C) and a low-temperature of 41.9°F (5.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in May is evaluated at 80.6°F (27°C).

What are the most humid months in Shafter?

January and December, with an average relative humidity of 61%, are most humid months.

What is the average humidity in December?

The average relative humidity in December in Shafter is 61%.

How many days does it rain in December in Shafter?

In Shafter, in December, it is raining for 6.8 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow?

In Shafter, snow does not fall in March through December.

Does it snow in December?

In Shafter, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Shafter?

The month with the shortest days is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Shafter have in December?

In Shafter, the average day length in December is 9h and 49min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:48 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:06 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 6.5h of sunshine.

How long on average sun shines in December?

In Shafter, the average sunshine duration in December is 6.5h.

When is the lowest UV index?

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 Shafter?

In Shafter, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to 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
Shafter, CA

Average temperature in December - Shafter, CA
  • Average high temperature in December: 58.8°F

The warmest month (with the highest average high temperature) is July (99.5°F).
The month with the lowest average high temperature is December (58.8°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).

Average pressure in December
Shafter, CA

Average pressure in December - Shafter, CA
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Shafter, CA

Average wind speed in December - Shafter, CA
  • Average wind speed in December: 3.7mph

The windiest months (with the highest average wind speed) are June and July (5mph).
The calmest months (with the lowest average wind speed) are November and December (3.7mph).

Average humidity in December
Shafter, CA

Average humidity in December - Shafter, CA
  • Average humidity in December: 61%

The months with the highest relative humidity are January and December (61%).
The month with the lowest relative humidity is August (30%).

Average rainfall in December
Shafter, CA

Average rainfall in December - Shafter, CA
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is March (1.22").
The driest month (with the least rainfall) is August (0.04").

Average rainfall days in December
Shafter, CA

Average rainfall days in December - Shafter, CA
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is March (8.9 days).
The month with the least rainy days is August (0.8 days).

Average snowfall days in December
Shafter, CA

Average snowfall days in December - Shafter, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in December / Average sunshine in December - Shafter, CA
  • Average daylight in December: 9h and 5min

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: 6h and 3min

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: 6h and 30min).

Average sunshine days in December
Shafter, CA

Average sunshine days in December - Shafter, CA
  • Average sunshine days in December: 23.2 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.7 days).

Average UV index in December
Shafter, CA

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

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

Average cloud cover in December
Shafter, CA

Average cloud cover in December - Shafter, CA
  • Average cloud cover in December: 27

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July, August and September (Cloud cover 5).

Average visibility in December
Shafter, CA

Average visibility in December - Shafter, 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).

Shafter, California, USA

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