December weather forecastRosamond, CA
December
Weather in December
The first month of the winter, December, is also a fresh month in Rosamond, California, with an average temperature varying between 37.8°F (3.2°C) and 54.5°F (12.5°C).Temperature
Rosamond witnesses the coldest weather in December, with temperatures averaging a high of 54.5°F (12.5°C) and a low of 37.8°F (3.2°C).Humidity
December is the most humid month in Rosamond, with an average relative humidity of 53%.Rainfall
The month with the most rainfall in Rosamond is December, when the rain falls for 4.5 days and typically aggregates up to 0.98" (25mm) of precipitation.Snowfall
Months with snowfall are January, February, November and December. In Rosamond, in December, during 0.3 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Rosamond, during the entire year, snow falls for 1.6 days and aggregates up to 1.97" (50mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December in Rosamond, sunrise is at 6:42 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:51 pm PST.
Sunshine
In Rosamond, the average sunshine in December is 7.1h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Rosamond, CA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (93.6°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in December: 37.8°F
The months with the highest average low temperature are July and August (66.9°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).
Average pressure in December
Rosamond, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Rosamond, CA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is May (10.4mph).
The calmest month (with the lowest average wind speed) is January (6.6mph).
Average humidity in December
Rosamond, CA
- Average humidity in December: 53%
The month with the highest relative humidity is December (53%).
The month with the lowest relative humidity is August (27%).
Average rainfall in December
Rosamond, CA
- Average rainfall in December: 0.98"
The wettest month (with the highest rainfall) is December (0.98").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in December
Rosamond, CA
- Average rainfall days in December: 4.5 days
The month with the highest number of rainy days is March (5.4 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in December
Rosamond, CA
- Average snowfall in December: 0.43"
The month with the highest snowfall is November (1.26").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Rosamond, CA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Rosamond, CA
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 7h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 54min).
Average sunshine days in December
Rosamond, CA
- Average sunshine days in December: 25.5 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (23.2 days).
Average UV index in December
Rosamond, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Rosamond, CA
- Average cloud cover in December: 20
The months with the most cloud cover are January, March and December (Cloud cover 20).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in December
Rosamond, 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).
