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
In Bayside, December is the month with the lowest recorded average temperatures, measuring a high of 52.7°F (11.5°C) and a low of 42.1°F (5.6°C).Humidity
In December, the average relative humidity is 79%.Rainfall
December is the month with the most rainfall in Bayside, California. Rain falls for 15.2 days and accumulates 5.31" (135mm) of precipitation.Snowfall
In Bayside, snow does not fall in January, March through December.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of December in Bayside, sunrise is at 7:22 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 4:58 pm PST.
Sunshine
December has the least sunshine of the year in Bayside, with an average of 5.2h of sunshine.UV index
The months with the lowest UV index in Bayside, California, are January through March, 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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the UV index of 3 transforms into the following advice:
Act with care - The need to guard against sun damage is communicated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What month is the coldest in Bayside?
What is the temperature in December in Bayside?
What is the average humidity in December in Bayside?
What is the wettest month in Bayside?
How many days does it rain in December in Bayside?
When it does not snow in Bayside?
What is the month with the shortest days in Bayside?
What is the average length of the day in December in Bayside?
What time are sunrise and sunset in December in Bayside?
What is the month with the least sunshine in Bayside?
How long on average sun shines in December in Bayside?
What is the month with the lowest UV index in Bayside?
What is the UV index reading in December in Bayside?
Average temperature in December
Bayside, CA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is August (52.3°F).
The coldest month (with the lowest average low temperature) is February (41.9°F).
Average pressure in December
Bayside, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in December
Bayside, CA
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Bayside, CA
- Average humidity in December: 79%
The month with the highest relative humidity is March (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Bayside, CA
- Average rainfall in December: 5.31"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Bayside, CA
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is March (17.5 days).
The month with the least rainy days is August (2.1 days).
Average snowfall in December
Bayside, CA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Bayside, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Bayside, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Bayside, CA
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is July (28.3 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in December
Bayside, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Bayside, CA
- Average cloud cover in December: 43
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Bayside, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Bayside, California, USA
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