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
Robinson Ranch experiences its lowest temperatures in December, with an average peak of 63°F (17.2°C) and a low of 49.8°F (9.9°C).Humidity
The average relative humidity in December in Robinson Ranch is 60%.Rainfall
The month with the most rainfall is December, when the rain falls for 6.7 days and typically aggregates up to 1.02" (26mm) of precipitation.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Robinson Ranch.On the first day of December in Robinson Ranch, sunrise is at 6:37 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:52 pm PST.
Sunshine
With an average of 6.6h of sunshine, December has the least sunshine of the year in Robinson Ranch.UV index
The months with the lowest UV index in Robinson Ranch, California, are January through March, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during December translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What is the coldest time of year in Robinson Ranch?
What are December temperatures in Robinson Ranch?
What is the average humidity in December in Robinson Ranch?
What is the wettest month in Robinson Ranch?
How many days does it rain in December in Robinson Ranch?
What is the month with the shortest days in Robinson Ranch?
How many hours of daylight does Robinson Ranch have in December?
When are sunrise and sunset in December in Robinson Ranch?
What is the month with the least sunshine in Robinson Ranch?
How many hours of sunshine does Robinson Ranch have in December?
What is the month with the lowest UV index in Robinson Ranch?
What is the UV index intensity in December in Robinson Ranch?
Average temperature in December
Robinson Ranch, CA
- Average high temperature in December: 63°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (63°F).
- Average low temperature in December: 49.8°F
The month with the highest average low temperature is August (64.2°F).
The coldest month (with the lowest average low temperature) is February (48.9°F).
Average pressure in December
Robinson Ranch, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are June and September (29.88"Hg).
Average wind speed in December
Robinson Ranch, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Robinson Ranch, CA
- Average humidity in December: 60%
The months with the highest relative humidity are May and June (70%).
The month with the lowest relative humidity is November (56%).
Average rainfall in December
Robinson Ranch, CA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is December (1.02").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Robinson Ranch, CA
- Average rainfall days in December: 6.7 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (1.9 days).
Average daylight in December /
Average sunshine in December
Robinson Ranch, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 6h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).
Average sunshine days in December
Robinson Ranch, CA
- Average sunshine days in December: 22.7 days
The month with the most sunshine days is January (24.3 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in December
Robinson Ranch, CA
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Robinson Ranch, CA
- Average cloud cover in December: 25
The months with the most cloud cover are March and December (Cloud cover 25).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Robinson 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).
Robinson Ranch, California, USA
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