December weather forecastArchertown, NJ
December
Weather in December
December, the first month of the winter in Archertown, is also a frosty month, with an average temperature varying between 44.2°F (6.8°C) and 32.7°F (0.4°C).Temperature
In December, the average high-temperature marginally drops from a fresh 52.7°F (11.5°C) in November to a frosty 44.2°F (6.8°C). An average nighttime temperature of 32.7°F (0.4°C) is recorded in Archertown during December.Humidity
In December, the average relative humidity in Archertown is 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 10.9 days and typically aggregates up to 3.7" (94mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Archertown. In Archertown, in December, snow falls for 3.6 days, with typically accumulated 1.5" (38mm) of snow. In Archertown, during the entire year, snow falls for 19.6 days and aggregates up to 10.63" (270mm) 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, sunrise is at 7:01 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:42 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index in Archertown are January, 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 average individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Archertown, NJ
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in December: 32.7°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Archertown, NJ
- Average pressure in December: 30.09"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
Archertown, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in December
Archertown, NJ
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Archertown, NJ
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Archertown, NJ
- Average rainfall days in December: 10.9 days
The months with the highest number of rainy days are May and July (17 days).
The month with the least rainy days is November (9 days).
Average snowfall in December
Archertown, NJ
- Average snowfall in December: 1.5"
The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Archertown, NJ
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Archertown, NJ
- Average daylight in December: 9h and 24min
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 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Archertown, NJ
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in December
Archertown, NJ
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Archertown, NJ
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Archertown, 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).





