December weather forecastLakehead, CA
December
Weather in December
December, the first month of the winter in Lakehead, is also a frosty month, with an average temperature fluctuating between 34°F (1.1°C) and 48°F (8.9°C).Temperature
Lakehead reaches its lowest average temperatures in December, measuring 48°F (8.9°C) at the peak and 34°F (1.1°C) at the lowest.Humidity
In Lakehead, the average relative humidity in December is 74%.Rainfall
In Lakehead, in December, during 13.2 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. Throughout the year, there are 103.6 rainfall days, and 25.28" (642mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Lakehead, during December, snow falls for 1.1 days and regularly aggregates up to 1.1" (28mm) of snow. Throughout the year, there are 4.7 snowfall days, and 4.45" (113mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:33 am and sunset at 4:51 pm PST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Lakehead are February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lakehead, CA
- Average high temperature in December: 48°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is December (48°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is December (34°F).
Average pressure in December
Lakehead, 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 August (29.92"Hg).
Average wind speed in December
Lakehead, CA
- Average wind speed in December: 4.7mph
The windiest months (with the highest average wind speed) are March and October (5.3mph).
The calmest months (with the lowest average wind speed) are August and November (4.5mph).
Average humidity in December
Lakehead, CA
- Average humidity in December: 74%
The month with the highest relative humidity is March (77%).
The month with the lowest relative humidity is August (37%).
Average rainfall in December
Lakehead, CA
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is March (4.8").
The driest month (with the least rainfall) is July (0.12").
Average rainfall days in December
Lakehead, CA
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is March (16.8 days).
The month with the least rainy days is August (1.7 days).
Average snowfall in December
Lakehead, CA
- Average snowfall in December: 1.1"
The month with the highest snowfall is November (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Lakehead, CA
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (1.9 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
Lakehead, CA
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 24min
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 24min).
Average sunshine days in December
Lakehead, CA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in December
Lakehead, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are February, November and December (UV index 2).
Average cloud cover in December
Lakehead, CA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
Lakehead, CA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).





