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 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, marked by an average high-temperature of 62.8°F (17.1°C) and a low-temperature of 44.6°F (7°C), is the coldest month.Humidity
In Santa Ysabel, the average relative humidity in December is 58%.Rainfall
In Santa Ysabel, during December, the rain falls for 5.4 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Santa Ysabel, during the entire year, the rain falls for 54.6 days and collects up to 6.06" (154mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:32 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 4:50 pm PST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 6.8h of sunshine.UV index
December is the month with the lowest UV index in Santa Ysabel, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 3 in December suggests the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Santa Ysabel have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Santa Ysabel have in December?
When is the lowest UV index in Santa Ysabel?
What is the UV index reading in December?
Average temperature in December
Santa Ysabel, CA
- Average high temperature in December: 62.8°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is December (62.8°F).
- Average low temperature in December: 44.6°F
The month with the highest average low temperature is August (63.7°F).
The coldest months (with the lowest average low temperature) are February and December (44.6°F).
Average pressure in December
Santa Ysabel, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in December
Santa Ysabel, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is April (5.3mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).
Average humidity in December
Santa Ysabel, CA
- Average humidity in December: 58%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in December
Santa Ysabel, CA
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Santa Ysabel, CA
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is March (7.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight in December /
Average sunshine in December
Santa Ysabel, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in December
Santa Ysabel, CA
- Average sunshine days in December: 24.4 days
The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is July (20.7 days).
Average UV index in December
Santa Ysabel, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Santa Ysabel, CA
- Average cloud cover in December: 23
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 6).
Average visibility in December
Santa Ysabel, 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).
Santa Ysabel, California, USA
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