December weather forecastMcKittrick, CA

December

Weather in December

December, the first month of the winter in McKittrick, is still a mild month, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 57°F (13.9°C).

Temperature

The month of December sees the lowest average temperatures, reaching 57°F (13.9°C) at the peak and 40.1°F (4.5°C) at the low.

Humidity

The most humid month is December, with an average relative humidity of 60%.

Rainfall

December is the month with the most rainfall. Rain falls for 7 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

In McKittrick, snow does not fall in January, March through December.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:49 am and sunset at 4:46 pm. On the last day of December, in McKittrick, sunrise is at 7:07 am and sunset at 4:56 pm PST.

Sunshine

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

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 estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 3 suggests this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

McKittrick experiences its average lowest temperatures in December, reaching a peak of 57°F (13.9°C) and a minimum of 40.1°F (4.5°C).

McKittrick in December has an average high-temperature of 57°F (13.9°C) and an average low-temperature of 40.1°F (4.5°C).

December is the most humid month, with an average relative humidity of 60%.

The average relative humidity in December is 60%.

December is the month with the most rainfall. Rain falls for 7 days and accumulates 1.06" (27mm) of precipitation.

In McKittrick, during December, the rain falls for 7 days and regularly aggregates up to 1.06" (27mm) of precipitation.

In McKittrick, snow does not fall in January, March through December.

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

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

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:56 pm PST.

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

The average sunshine duration in December in McKittrick is 6.7h.

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

In December, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
McKittrick, CA

  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is July (94.8°F).
The month with the lowest average high temperature is December (57°F).

  • Average low temperature in December: 40.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

Average pressure in December
McKittrick, CA

  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in December
McKittrick, CA

  • Average wind speed in December: 3.7mph

The windiest month (with the highest average wind speed) is June (5.3mph).
The calmest months (with the lowest average wind speed) are November and December (3.7mph).

Average humidity in December
McKittrick, CA

  • Average humidity in December: 60%

The month with the highest relative humidity is December (60%).
The month with the lowest relative humidity is August (30%).

Average rainfall in December
McKittrick, CA

  • Average rainfall in December: 1.06"

The wettest month (with the highest rainfall) is December (1.06").
The driest months (with the least rainfall) are June and August (0.08").

Average rainfall days in December
McKittrick, CA

  • Average rainfall days in December: 7 days

The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is June (1.1 days).

Average snowfall in December
McKittrick, CA

  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
McKittrick, CA

  • Average snowfall days in December: 0.1 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 and November (0 days).

Average daylight in December /
Average sunshine in December
McKittrick, 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: 6h and 42min

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
McKittrick, CA

  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is June (28.7 days).
The month with the least sunshine days is February (20.1 days).

Average UV index in December
McKittrick, 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
McKittrick, CA

  • Average cloud cover in December: 24

The months with the most cloud cover are March and December (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 4).

Average visibility in December
McKittrick, 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).