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 snowfall 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
December proves to be the coldest month, recording an average maximum temperature of 53.4°F (11.9°C) and a minimum temperature of 43.9°F (6.6°C).Humidity
In Blocksburg, the average relative humidity in December is 78%.Rainfall
The month with the most rainfall in Blocksburg, California, is December, when the rain falls for 14.8 days and typically aggregates up to 5.31" (135mm) of precipitation.Snowfall
In Blocksburg, snow does not fall in January, March through December.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 7:18 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:58 pm PST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Blocksburg. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 3 in December translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Frequently asked questions
What month is the coldest in Blocksburg?
What are December temperatures in Blocksburg?
What is the average humidity in December in Blocksburg?
What is the rainiest month in Blocksburg?
How many days does it rain in December in Blocksburg?
When it does not snow in Blocksburg?
What is the month with the shortest days in Blocksburg?
What is the average length of the day in December in Blocksburg?
When are sunrise and sunset in December in Blocksburg?
What is the month with the least sunshine in Blocksburg?
How many hours of sunshine does Blocksburg have in December?
When is the lowest UV index in Blocksburg?
What is the UV index intensity in December in Blocksburg?
Average temperature in December
Blocksburg, CA
- Average high temperature in December: 53.4°F
The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).
- Average low temperature in December: 43.9°F
The months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).
Average pressure in December
Blocksburg, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.95"Hg).
Average wind speed in December
Blocksburg, CA
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).
Average humidity in December
Blocksburg, CA
- Average humidity in December: 78%
The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).
Average rainfall in December
Blocksburg, CA
- Average rainfall in December: 5.31"
The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in December
Blocksburg, CA
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).
Average snowfall days in December
Blocksburg, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Blocksburg, CA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Blocksburg, CA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).
Average UV index in December
Blocksburg, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).
Average cloud cover in December
Blocksburg, CA
- Average cloud cover in December: 44
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in December
Blocksburg, 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).
Blocksburg, California, USA
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