Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Temperature readings reach their annual highs in December, averaging 57.6°F (14.2°C) and a minimum average of 40.3°F (4.6°C).Humidity
In East Porterville, California, the average relative humidity in December is 63%.Rainfall
In East Porterville, in December, it is raining for 6.8 days, with typically 1.61" (41mm) of accumulated precipitation. In East Porterville, during the entire year, the rain falls for 52.3 days and collects up to 9.37" (238mm) of precipitation.Snowfall
In East Porterville, snow does not fall in January, March through December.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in East Porterville.On the first day of December in East Porterville, California, sunrise is at 6:48 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:52 pm PST.
Sunshine
With an average of 6.8h of sunshine, December has the least sunshine of the year in East Porterville.UV index
The months with the lowest UV index in East Porterville, California, are January, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What time of the year is the coldest in East Porterville?
What is the usual temperature for East Porterville in December?
What is the average humidity in December in East Porterville?
How many days does it rain in December in East Porterville?
When it does not snow in East Porterville?
What is the month with the shortest days in East Porterville?
What is the average length of the day in December in East Porterville?
When are sunrise and sunset in December in East Porterville?
What is the month with the least sunshine in East Porterville?
How long on average sun shines in December in East Porterville?
What are the months with the lowest UV index in East Porterville?
What is the UV index intensity in December in East Porterville?
Average temperature in December
East Porterville, CA
- Average high temperature in December: 57.6°F
The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (57.6°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is December (40.3°F).
Average pressure in December
East Porterville, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in December
East Porterville, CA
- Average wind speed in December: 3.6mph
The windiest month (with the highest average wind speed) is June (5.2mph).
The calmest month (with the lowest average wind speed) is December (3.6mph).
Average humidity in December
East Porterville, CA
- Average humidity in December: 63%
The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is August (30%).
Average rainfall in December
East Porterville, CA
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is March (1.93").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
East Porterville, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is March (9.3 days).
The month with the least rainy days is August (0.5 days).
Average snowfall days in December
East Porterville, 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 January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
East Porterville, CA
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 6h and 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in December
East Porterville, CA
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is February (20.3 days).
Average UV index in December
East Porterville, 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, November and December (UV index 3).
Average cloud cover in December
East Porterville, CA
- Average cloud cover in December: 22
The month with the most cloud cover is March (Cloud cover 24).
The months with the least cloud cover are July and August (Cloud cover 4).
Average visibility in December
East Porterville, 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).
East Porterville, California, USA
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