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 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
Interlaken's coldest weather arrives in December, when temperatures average a high of 57.9°F (14.4°C) and a low of 43.3°F (6.3°C).Humidity
The average relative humidity in December in Interlaken, California, is 71%.Rainfall
In Interlaken, in December, it is raining for 9.5 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, in Interlaken, there are 67.1 rainfall days, and 10.83" (275mm) of precipitation is accumulated.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:02 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:19 am and sunset at 5:00 pm PST.
Sunshine
December has the least sunshine of the year in Interlaken, with an average of 6h of sunshine.UV index
The months with the lowest UV index are February, November and December, with an average maximum UV index of 3. 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: A typical high UV index of 3 in December suggests the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Interlaken?
What is the usual temperature for Interlaken in December?
What is the average humidity in December in Interlaken?
How much does it rain in Interlaken in December?
What is the month with the shortest days in Interlaken?
What is the average length of the day in December in Interlaken?
What time are sunrise and sunset in December in Interlaken?
What is the month with the least sunshine in Interlaken?
How many hours of sunshine does Interlaken have in December?
What is the month with the lowest UV index in Interlaken?
How high is the UV index in December in Interlaken?
Average temperature in December
Interlaken, CA
- Average high temperature in December: 57.9°F
The warmest month (with the highest average high temperature) is August (78.6°F).
The month with the lowest average high temperature is December (57.9°F).
- Average low temperature in December: 43.3°F
The month with the highest average low temperature is September (54.5°F).
The coldest months (with the lowest average low temperature) are February and March (43.2°F).
Average pressure in December
Interlaken, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in December
Interlaken, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is May (5.9mph).
The calmest months (with the lowest average wind speed) are October and November (4.5mph).
Average humidity in December
Interlaken, CA
- Average humidity in December: 71%
The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are September and October (64%).
Average rainfall in December
Interlaken, CA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is February (2.09").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Interlaken, CA
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Interlaken, CA
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h
The months with the most sunshine are July and August (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).
Average sunshine days in December
Interlaken, CA
- Average sunshine days in December: 20.2 days
The month with the most sunshine days is August (28.9 days).
The month with the least sunshine days is March (17.8 days).
Average UV index in December
Interlaken, CA
- Average UV index in December: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in December
Interlaken, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 9).
Average visibility in December
Interlaken, 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).
Interlaken, California, USA
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