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
In Rancho Murieta, the month of December registers the lowest temperatures, averaging 54.7°F (12.6°C) at the peak and 40.8°F (4.9°C) at the lowest.Humidity
In Rancho Murieta, the average relative humidity in December is 71%.Rainfall
In December, in Rancho Murieta, the rain falls for 9.9 days. Throughout December, 2.68" (68mm) of precipitation is accumulated. Throughout the year, there are 73.3 rainfall days, and 15.63" (397mm) of precipitation is accumulated.Snowfall
The only month with snowfall is December. December has the most snowfall days of the year in Rancho Murieta. Snow falls for 0.1 days.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Rancho Murieta.On the first day of December in Rancho Murieta, sunrise is at 7:03 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:53 pm PST.
Sunshine
The month with the least sunshine in Rancho Murieta is December, 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 Rancho Murieta, California. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
What are the coldest months in Rancho Murieta?
What are December temperatures in Rancho Murieta?
What is the average humidity in December in Rancho Murieta?
How much does it rain in Rancho Murieta in December?
What is the snowiest month in Rancho Murieta?
When does it start to snow in Rancho Murieta?
What is the month with the shortest days in Rancho Murieta?
How many hours of daylight does Rancho Murieta have in December?
When is the sunrise / sunset in December in Rancho Murieta?
What is the month with the least sunshine in Rancho Murieta?
How many hours of sunshine does Rancho Murieta have in December?
What are the months with the lowest UV index in Rancho Murieta?
What is the UV index reading in December in Rancho Murieta?
Average temperature in December
Rancho Murieta, CA
- Average high temperature in December: 54.7°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in December: 40.8°F
The month with the highest average low temperature is August (59.2°F).
The coldest months (with the lowest average low temperature) are January and December (40.8°F).
Average pressure in December
Rancho Murieta, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Rancho Murieta, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).
Average humidity in December
Rancho Murieta, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (44%).
Average rainfall in December
Rancho Murieta, CA
- Average rainfall in December: 2.68"
The wettest month (with the highest rainfall) is March (2.91").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Rancho Murieta, CA
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is March (13.3 days).
The months with the least rainy days are June, July and August (1.4 days).
Average snowfall days in December
Rancho Murieta, 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
Rancho Murieta, CA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- 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
Rancho Murieta, CA
- Average sunshine days in December: 19.3 days
The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.9 days).
Average UV index in December
Rancho Murieta, CA
- Average UV index in December: 3
The months with the highest UV index are June and 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
Rancho Murieta, CA
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Rancho Murieta, 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).
Rancho Murieta, California, USA
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