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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a cool 52.3°F (11.3°C) in November to a chilly 44.4°F (6.9°C). Interlaken in December experiences a minor decline in temperature, with an average low of 36.3°F (2.4°C) at night.Humidity
In Interlaken, the average relative humidity in December is 75%.Rainfall
In Interlaken, during December, the rain falls for 8.8 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 122.1 rainfall days, and 11.14" (283mm) of precipitation is accumulated.Snowfall
January through March, October and December are months with snowfall in Interlaken. The month with the most snowfall is December, when snow falls for 3.1 days and typically aggregates up to 0.47" (12mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 24min of daylight.On the first day of December in Interlaken, sunrise is at 6:59 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:40 pm EST.
Sunshine
In December, the average sunshine in Interlaken, New Jersey, is 5.1h.UV index
The months with the lowest UV index in Interlaken are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
How cold is December in Interlaken?
What is the average humidity in December in Interlaken?
How many days does it rain in December in Interlaken?
What is the snowiest month in Interlaken?
When does it start to snow in Interlaken?
What is the month with the shortest days in Interlaken?
How many hours of daylight does Interlaken have in December?
What time are sunrise and sunset in December in Interlaken?
How long on average sun shines in December in Interlaken?
When is the lowest UV index in Interlaken?
What is the UV index intensity in December in Interlaken?
Average temperature in December
Interlaken, NJ
- Average high temperature in December: 44.4°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (38.3°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in December
Interlaken, NJ
- Average pressure in December: 30.08"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Interlaken, NJ
- Average wind speed in December: 11.9mph
The windiest month (with the highest average wind speed) is January (12.6mph).
The calmest month (with the lowest average wind speed) is July (8mph).
Average humidity in December
Interlaken, NJ
- Average humidity in December: 75%
The months with the highest relative humidity are May and June (79%).
The month with the lowest relative humidity is November (73%).
Average rainfall in December
Interlaken, NJ
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in December
Interlaken, NJ
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in December
Interlaken, NJ
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are April, May, June, July, August, September and November (0").
Average snowfall days in December
Interlaken, NJ
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Interlaken, NJ
- 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Interlaken, NJ
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (14.3 days).
Average UV index in December
Interlaken, NJ
- 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 January, February, March, November and December (UV index 2).
Average cloud cover in December
Interlaken, NJ
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Interlaken, NJ
- 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, New Jersey, USA
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