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
Mountain Ranch, California, experiences its lowest average temperatures in December, reaching a peak of 53.6°F (12°C) and a minimum of 37.8°F (3.2°C).Humidity
The average relative humidity in December is 68%.Rainfall
In December, the rain falls for 9.1 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. In Mountain Ranch, during the entire year, the rain falls for 73.3 days and collects up to 16.42" (417mm) of precipitation.Daylight
The month with the shortest days in Mountain Ranch is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:18 am and sunset at 4:52 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6h 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 Mountain Ranch. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What time of the year is the coldest in Mountain Ranch?
What are the temperatures in Mountain Ranch in December?
What is the average humidity in December in Mountain Ranch?
How much does it rain in Mountain Ranch in December?
What is the month with the shortest days in Mountain Ranch?
How many hours of daylight does Mountain Ranch have in December?
When are sunrise and sunset in December in Mountain Ranch?
What is the month with the least sunshine in Mountain Ranch?
How long on average sun shines in December in Mountain Ranch?
What are the months with the lowest UV index in Mountain Ranch?
How high is the UV index in December in Mountain Ranch?
Average temperature in December
Mountain Ranch, CA
- Average high temperature in December: 53.6°F
The warmest month (with the highest average high temperature) is July (92.1°F).
The month with the lowest average high temperature is December (53.6°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in December
Mountain Ranch, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Mountain Ranch, CA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is February (5.6mph).
The calmest months (with the lowest average wind speed) are August and September (4.4mph).
Average humidity in December
Mountain Ranch, CA
- Average humidity in December: 68%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (37%).
Average rainfall in December
Mountain Ranch, CA
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is March (3.39").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Mountain Ranch, CA
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is July (1.7 days).
Average daylight in December /
Average sunshine in December
Mountain Ranch, CA
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in December
Mountain Ranch, CA
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is July (28.2 days).
The month with the least sunshine days is March (16.9 days).
Average UV index in December
Mountain Ranch, CA
- Average UV index in December: 3
The month with the highest UV index is 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
Mountain Ranch, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Mountain Ranch, 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).
Mountain Ranch, California, USA
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