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 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
The lowest temperatures are recorded in December, with averages reaching a high of 40.1°F (4.5°C) and a low of 22.3°F (-5.4°C).Humidity
In El Portal, the average relative humidity in December is 70%.Rainfall
In El Portal, in December, it is raining for 2.5 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in El Portal, there are 48.1 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. In El Portal, during December, snow falls for 9.5 days and regularly aggregates up to 15.39" (391mm) of snow. In El Portal, California, during the entire year, snow falls for 62.1 days and aggregates up to 106.54" (2706mm) of snow.Daylight
The month with the shortest days in El Portal is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:56 am and sunset at 4:40 pm. On the last day of December, in El Portal, sunrise is at 7:14 am and sunset at 4:50 pm PST.
Sunshine
The month with the least sunshine in El Portal is December, with an average of 5.9h of sunshine.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in El Portal?
Is it cold in El Portal during December?
What is the average humidity in December in El Portal?
How many days does it rain in December in El Portal?
How much does it snow in El Portal in December?
What is the month with the shortest days in El Portal?
What is the average length of the day in December in El Portal?
When are sunrise and sunset in December in El Portal?
What is the month with the least sunshine in El Portal?
How many hours of sunshine does El Portal have in December?
What is the month with the lowest UV index in El Portal?
What is the UV index intensity in December in El Portal?
Average temperature in December
El Portal, CA
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (40.1°F).
- Average low temperature in December: 22.3°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is December (22.3°F).
Average pressure in December
El Portal, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
El Portal, CA
- Average wind speed in December: 5mph
The windiest months (with the highest average wind speed) are February and March (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.8mph).
Average humidity in December
El Portal, CA
- Average humidity in December: 70%
The month with the highest relative humidity is March (78%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in December
El Portal, CA
- Average rainfall in December: 2.01"
The wettest month (with the highest rainfall) is February (2.76").
The driest month (with the least rainfall) is August (0.24").
Average rainfall days in December
El Portal, CA
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is May (7.7 days).
The month with the least rainy days is November (2.1 days).
Average snowfall in December
El Portal, CA
- Average snowfall in December: 15.39"
The month with the highest snowfall is March (19.92").
The months with the least snowfall are July and August (0").
Average snowfall days in December
El Portal, CA
- Average snowfall days in December: 9.5 days
The month with the highest number of snowfall days is March (11.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
El Portal, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
El Portal, CA
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is October (26 days).
The month with the least sunshine days is April (17 days).
Average UV index in December
El Portal, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
El Portal, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
El Portal, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is March (5mi).
El Portal, California, USA
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