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 Amsterdam, the average high-temperature in December drops from a fresh 50°F (10°C) in November to a wintry 40.3°F (4.6°C). Amsterdam reports a consistent average low-temperature of 28.9°F (-1.7°C) throughout December nights.Humidity
The average relative humidity in December in Amsterdam, New Jersey, is 80%.Rainfall
In Amsterdam, during December, the rain falls for 8.5 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Amsterdam, during the entire year, the rain falls for 124.4 days and collects up to 13.39" (340mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Amsterdam. In Amsterdam, during December, snow falls for 3.3 days and regularly aggregates up to 1.1" (28mm) of snow. In Amsterdam, New Jersey, during the entire year, snow falls for 22 days and aggregates up to 5" (127mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December in Amsterdam, sunrise is at 7:05 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:43 pm EST.
Sunshine
The average sunshine in December in Amsterdam is 4.8h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
How cold is December in Amsterdam?
What is the average humidity in December in Amsterdam?
How much does it rain in Amsterdam in December?
How much does it snow in Amsterdam in December?
What is the month with the shortest days in Amsterdam?
What is the average length of the day in December in Amsterdam?
What time are sunrise and sunset in December in Amsterdam?
How long on average sun shines in December in Amsterdam?
When is the lowest UV index in Amsterdam?
What is the UV index reading in December in Amsterdam?
Average temperature in December
Amsterdam, NJ
- Average high temperature in December: 40.3°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Amsterdam, NJ
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Amsterdam, NJ
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Amsterdam, NJ
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in December
Amsterdam, NJ
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Amsterdam, NJ
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (7.1 days).
Average snowfall in December
Amsterdam, NJ
- Average snowfall in December: 1.1"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Amsterdam, NJ
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Amsterdam, 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 18min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Amsterdam, NJ
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (14 days).
Average UV index in December
Amsterdam, NJ
- Average UV index in December: 2
The months with the highest UV index are June and July (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
Amsterdam, NJ
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Amsterdam, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).
Amsterdam, New Jersey, USA
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