December weather forecastVisalia, CA
December
Weather in December
December invites winter back into Visalia, with temperatures measuring from 41.5°F (5.3°C) to 56.7°F (13.7°C). The month is marked by early sunsets and late sunrises, with only 9.7 daylight hours on average. Despite the city's close proximity to the Sierra Nevada, snowfall is almost non-existent in Visalia. The chilly winds remind locals of the season's change, while holiday preparations keep spirits high. The year ends with the harmony of holiday lights sparkling against the frosty backdrop, adding a magical charm to the cityscape.Temperature
December, known for its average high temperature of 56.7°F (13.7°C) and an average low temperature of 41.5°F (5.3°C), is the coldest month.Humidity
In December, the average relative humidity is 66%.Rainfall
In Visalia, during December, the rain falls for 8.2 days and regularly aggregates up to 1.73" (44mm) of precipitation. Throughout the year, there are 62 rainfall days, and 12.17" (309mm) of precipitation is accumulated.Snowfall
In Visalia, snow does not fall in January, March through December.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:08 am and sunset at 4:52 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.5h of sunshine.UV index
January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Take necessary precautions - Suggestions to elude sunburn are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Visalia, CA
- Average high temperature in December: 56.7°F
The warmest month (with the highest average high temperature) is July (100.6°F).
The month with the lowest average high temperature is December (56.7°F).
- Average low temperature in December: 41.5°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 (41.5°F).
Average pressure in December
Visalia, 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 (29.88"Hg).
Average wind speed in December
Visalia, CA
- Average wind speed in December: 3.8mph
The windiest month (with the highest average wind speed) is June (5.4mph).
The calmest month (with the lowest average wind speed) is December (3.8mph).
Average humidity in December
Visalia, CA
- Average humidity in December: 66%
The month with the highest relative humidity is January (67%).
The months with the lowest relative humidity are July and August (31%).
Average rainfall in December
Visalia, CA
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is March (2.32").
The driest month (with the least rainfall) is August (0.08").
Average rainfall days in December
Visalia, CA
- Average rainfall days in December: 8.2 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is August (1 days).
Average snowfall days in December
Visalia, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 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
Visalia, CA
- Average daylight in December: 9h and 42min
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 42min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Visalia, CA
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in December
Visalia, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Visalia, CA
- Average cloud cover in December: 26
The month with the most cloud cover is March (Cloud cover 27).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in December
Visalia, 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).
