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
December, characterized by an average high temperature of 49.3°F (9.6°C) and a low temperature of 35.2°F (1.8°C), is generally the coldest month.Humidity
In Bella Vista, the average relative humidity in December is 73%.Rainfall
In Bella Vista, in December, it is raining for 13.9 days, with typically 4.69" (119mm) of accumulated precipitation. Throughout the year, there are 99.5 rainfall days, and 30.43" (773mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall is December, when snow falls for 0.8 days and typically aggregates up to 0.63" (16mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:14 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 4:52 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month?
What is the usual temperature for Bella Vista in December?
What is the average humidity in December in Bella Vista?
How much does it rain in December?
When does it snow the most in Bella Vista?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Bella Vista?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Bella Vista, CA
- Average high temperature in December: 49.3°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (49.3°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is December (35.2°F).
Average pressure in December
Bella Vista, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in December
Bella Vista, CA
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are March, April, June and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.4mph).
Average humidity in December
Bella Vista, CA
- Average humidity in December: 73%
The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is August (35%).
Average rainfall in December
Bella Vista, CA
- Average rainfall in December: 4.69"
The wettest month (with the highest rainfall) is March (5.91").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Bella Vista, CA
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.6 days).
Average snowfall in December
Bella Vista, CA
- Average snowfall in December: 0.63"
The month with the highest snowfall is December (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Bella Vista, CA
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Bella Vista, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Bella Vista, CA
- Average sunshine days in December: 16 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.7 days).
Average UV index in December
Bella Vista, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Bella Vista, CA
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Bella Vista, 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).
Bella Vista, California, USA
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