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 records mark December as the coldest month, with highs averaging 54.1°F (12.3°C) and lows at 40.1°F (4.5°C).Humidity
In December, the average relative humidity in Vernalis is 72%.Rainfall
In Vernalis, in December, it is raining for 8.1 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, in Vernalis, there are 60.6 rainfall days, and 5.71" (145mm) of precipitation is accumulated.Snowfall
December is the only month when snow falls. December has the most snowfall days of the year in Vernalis. Snow falls for 0.1 days.Daylight
The month with the shortest days in Vernalis is December, with an average of 9h and 36min of daylight.On the first day of December in Vernalis, sunrise is at 7:02 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:57 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.8h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Vernalis. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
What time of the year is the coldest in Vernalis?
What is the temperature in December in Vernalis?
What is the average humidity in December in Vernalis?
How much does it rain in Vernalis in December?
What is the snowiest month in Vernalis?
When does it start snowing in Vernalis?
What is the month with the shortest days in Vernalis?
How many hours of daylight does Vernalis have in December?
When are sunrise and sunset in December in Vernalis?
What is the month with the least sunshine in Vernalis?
How many hours of sunshine does Vernalis have in December?
What is the month with the lowest UV index in Vernalis?
How high is the UV index in December in Vernalis?
Average temperature in December
Vernalis, CA
- Average high temperature in December: 54.1°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is December (54.1°F).
- Average low temperature in December: 40.1°F
The month with the highest average low temperature is August (58.6°F).
The coldest months (with the lowest average low temperature) are January and December (40.1°F).
Average pressure in December
Vernalis, 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 (29.91"Hg).
Average wind speed in December
Vernalis, CA
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).
Average humidity in December
Vernalis, CA
- Average humidity in December: 72%
The month with the highest relative humidity is January (74%).
The month with the lowest relative humidity is July (45%).
Average rainfall in December
Vernalis, CA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is March (1.06").
The driest months (with the least rainfall) are June and August (0.08").
Average rainfall days in December
Vernalis, CA
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (1.2 days).
Average snowfall days in December
Vernalis, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Vernalis, 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 48min).
Average sunshine days in December
Vernalis, CA
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is August (28.6 days).
The month with the least sunshine days is March (18.4 days).
Average UV index in December
Vernalis, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Vernalis, CA
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 36).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Vernalis, 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).
Vernalis, California, USA
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