December weather forecast
Miles, CA

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Weather in December

December, the first month of the winter in Miles, is still a mild month, with temperature in the range of an average low of 46.2°F (7.9°C) and an average high of 60.3°F (15.7°C).

Temperature

December is Miles's coldest month, registering average high temperatures of 60.3°F (15.7°C) and lows of 46.2°F (7.9°C).

Humidity

The average relative humidity in December in Miles is 64%.

Rainfall

In Miles, in December, it is raining for 7.7 days, with typically 1.46" (37mm) of accumulated precipitation. In Miles, during the entire year, the rain falls for 57 days and collects up to 9.57" (243mm) of precipitation.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:53 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:11 am and sunset at 5:01 pm PST.

Sunshine

The months with the least sunshine are February and December, with an average of 6.5h of sunshine.

UV index

In December, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 4 in December transforms into the following instructions:
Ensure safety - Sun damage prevention is strongly urged. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Updated: Jul 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

Miles's December weather, marked by an average high temperature of 60.3°F (15.7°C) and an average low temperature of 46.2°F (7.9°C), is the coldest in the year.

What are the temperatures in December?

The high-temperature, in December, in Miles, is 60.3°F (15.7°C), while the low-temperature averages to 46.2°F (7.9°C).

What is the average humidity in December?

The average relative humidity in December is 64%.

How much does it rain in December?

In Miles, in December, it is raining for 7.7 days, with typically 1.46" (37mm) of accumulated precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 48min of daylight.

How many hours of daylight does Miles have in December?

In Miles, the average day length in December is 9h and 50min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:53 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:01 pm PST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 6.5h of sunshine.

How many hours of sunshine does Miles have in December?

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

How high is the UV index in December?

In Miles, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Miles, CA

Average temperature in December - Miles, CA
  • Average high temperature in December: 60.3°F

The warmest month (with the highest average high temperature) is August (80.2°F).
The month with the lowest average high temperature is December (60.3°F).

  • Average low temperature in December: 46.2°F

The month with the highest average low temperature is September (60.3°F).
The coldest month (with the lowest average low temperature) is February (45.7°F).

Average pressure in December
Miles, CA

Average pressure in December - Miles, CA
  • Average pressure in December: 30.09"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed in December
Miles, CA

Average wind speed in December - Miles, CA
  • Average wind speed in December: 6.2mph

The windiest months (with the highest average wind speed) are April and May (6.8mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

Average humidity in December
Miles, CA

Average humidity in December - Miles, CA
  • Average humidity in December: 64%

The month with the highest relative humidity is March (69%).
The months with the lowest relative humidity are September and October (57%).

Average rainfall in December
Miles, CA

Average rainfall in December - Miles, CA
  • Average rainfall in December: 1.46"

The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days in December
Miles, CA

Average rainfall days in December - Miles, CA
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.6 days).

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

Average daylight in December / Average sunshine in December - Miles, 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, July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are February and December (Average sunshine: 6h and 30min).

Average sunshine days in December
Miles, CA

Average sunshine days in December - Miles, CA
  • Average sunshine days in December: 22.2 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (19.1 days).

Average UV index in December
Miles, CA

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

The months with the highest UV index are June and August (UV index 6).
The month with the lowest UV index is February (UV index 3).

Average cloud cover in December
Miles, CA

Average cloud cover in December - Miles, CA
  • Average cloud cover in December: 25

The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are August and September (Cloud cover 6).

Average visibility in December
Miles, CA

Average visibility in December - Miles, 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).

Miles, California, USA

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