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 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
In Pioneer, December is the month with the lowest recorded average temperatures, measuring a high of 48.6°F (9.2°C) and a low of 32.9°F (0.5°C).Humidity
The average relative humidity in December in Pioneer is 67%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 4.96" (126mm) of precipitation is accumulated. Throughout the year, there are 78.6 rainfall days, and 31.18" (792mm) of precipitation is accumulated.Snowfall
Months with snowfall in Pioneer are January through May, October through December. In Pioneer, in December, snow falls for 5.1 days, with typically accumulated 7.99" (203mm) of snow. In Pioneer, during the entire year, snow falls for 27.8 days and aggregates up to 71.02" (1804mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Pioneer.On the first day of December in Pioneer, sunrise is at 7:01 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:51 pm PST.
Sunshine
December has the least sunshine of the year in Pioneer, with an average of 5.9h of sunshine.UV index
The months with the lowest UV index in Pioneer are February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the coldest time of year in Pioneer?
What are the temperatures in Pioneer in December?
What is the average humidity in December in Pioneer?
How many days does it rain in December in Pioneer?
How many days does it snow in December in Pioneer?
What is the month with the shortest days in Pioneer?
How many hours of daylight does Pioneer have in December?
When are sunrise and sunset in December in Pioneer?
What is the month with the least sunshine in Pioneer?
How long on average sun shines in December in Pioneer?
What are the months with the lowest UV index in Pioneer?
How high is the UV index in December in Pioneer?
Average temperature in December
Pioneer, CA
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (48.6°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in December
Pioneer, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Pioneer, CA
- Average wind speed in December: 5.3mph
The windiest month (with the highest average wind speed) is February (6.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Pioneer, CA
- Average humidity in December: 67%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and August (37%).
Average rainfall in December
Pioneer, CA
- Average rainfall in December: 4.96"
The wettest month (with the highest rainfall) is March (6.14").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in December
Pioneer, CA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is March (12.1 days).
The month with the least rainy days is August (1.8 days).
Average snowfall in December
Pioneer, CA
- Average snowfall in December: 7.99"
The month with the highest snowfall is March (18.98").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Pioneer, CA
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is March (6.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Pioneer, CA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in December
Pioneer, CA
- Average sunshine days in December: 19 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (14.3 days).
Average UV index in December
Pioneer, CA
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Pioneer, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 37).
The months with the least cloud cover are July and August (Cloud cover 5).
Average visibility in December
Pioneer, 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).
Pioneer, California, USA
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