December weather forecastArmistead, CA
December
Weather in December
The first month of the winter, December, is still a cool month in Armistead, California, with an average temperature varying between 51.1°F (10.6°C) and 35.6°F (2°C).Temperature
Armistead reaches its lowest average temperatures in December, measuring 51.1°F (10.6°C) at the peak and 35.6°F (2°C) at the lowest.Humidity
In December, the average relative humidity is 47%.Rainfall
December is the month with the most rainfall. Rain falls for 4.6 days and accumulates 0.87" (22mm) of precipitation.Snowfall
March through October and December are months without snowfall in Armistead, California.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Armistead.On the first day of December, sunrise is at 6:43 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:49 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 7.1h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Armistead, CA
- Average high temperature in December: 51.1°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is December (51.1°F).
- Average low temperature in December: 35.6°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is December (35.6°F).
Average pressure in December
Armistead, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Armistead, CA
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are May and June (9.1mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in December
Armistead, CA
- Average humidity in December: 47%
The month with the highest relative humidity is January (48%).
The month with the lowest relative humidity is August (20%).
Average rainfall in December
Armistead, CA
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Armistead, CA
- Average rainfall days in December: 4.6 days
The month with the highest number of rainy days is March (6 days).
The month with the least rainy days is June (0.8 days).
Average snowfall in December
Armistead, CA
- Average snowfall in December: 0"
The month with the highest snowfall is November (0.87").
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Armistead, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Armistead, CA
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 7h and 6min
The months with the most sunshine are June and July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in December
Armistead, CA
- Average sunshine days in December: 25.2 days
The month with the most sunshine days is June (28.4 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in December
Armistead, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Armistead, CA
- Average cloud cover in December: 17
The months with the most cloud cover are January and March (Cloud cover 18).
The months with the least cloud cover are August and September (Cloud cover 4).
Average visibility in December
Armistead, 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).
