December weather forecastNelson, CA
December
Weather in December
December, the first month of the winter in Nelson, is still a cool month, with an average temperature ranging between max 54.5°F (12.5°C) and min 40.6°F (4.8°C).Temperature
December, marked by an average high-temperature of 54.5°F (12.5°C) and a low-temperature of 40.6°F (4.8°C), is the coldest month.Humidity
In Nelson, the average relative humidity in December is 67%.Rainfall
In Nelson, in December, during 11.1 rainfall days, 4.33" (110mm) of precipitation is typically accumulated. Throughout the year, in Nelson, California, there are 80.4 rainfall days, and 24.21" (615mm) of precipitation is accumulated.Snowfall
December is the only month when snow falls in Nelson. The month with the most snowfall days is December, when snow falls for 0.1 days.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:09 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:53 pm PST.
Sunshine
With an average of 5.8h of sunshine, December has the least sunshine of the year in Nelson.UV index
The months with the lowest UV index in Nelson are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Undertake protective steps - Preventing sun damage is advised. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nelson, CA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in December
Nelson, CA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Nelson, CA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest months (with the lowest average wind speed) are August and November (5.2mph).
Average humidity in December
Nelson, CA
- Average humidity in December: 67%
The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (33%).
Average rainfall in December
Nelson, CA
- Average rainfall in December: 4.33"
The wettest month (with the highest rainfall) is March (4.61").
The driest month (with the least rainfall) is July (0.04").
Average rainfall days in December
Nelson, CA
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.3 days).
Average snowfall days in December
Nelson, 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
Nelson, CA
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 48min
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
Nelson, CA
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (15.5 days).
Average UV index in December
Nelson, 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
Nelson, CA
- Average cloud cover in December: 35
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Nelson, 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).
