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
The arrival of December corresponds with a temperature reduction, down from November's fresh 52°F (11.1°C) to a frosty 42.8°F (6°C). December witnesses an average nighttime temperature of 31.5°F (-0.3°C).Humidity
The months with the highest humidity in Lawrenceville are February, October and December, with an average relative humidity of 78%.Rainfall
In December, in Lawrenceville, the rain falls for 8.7 days. Throughout December, 1.42" (36mm) of precipitation is accumulated. Throughout the year, in Lawrenceville, there are 138.1 rainfall days, and 16.5" (419mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall in Lawrenceville. In Lawrenceville, New Jersey, in December, snow falls for 2.8 days, with typically accumulated 0.59" (15mm) of snow. In Lawrenceville, during the entire year, snow falls for 15.6 days and aggregates up to 2.8" (71mm) of snow.Daylight
The month with the shortest days in Lawrenceville is December, with an average of 9h and 24min of daylight.On the first day of December in Lawrenceville, sunrise is at 7:03 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 4:42 pm EST.
Sunshine
In Lawrenceville, the average sunshine in December is 5h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lawrenceville. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Lawrenceville in December?
What are the most humid months in Lawrenceville?
What is the average humidity in December in Lawrenceville?
How many days does it rain in December in Lawrenceville?
How many days does it snow in December in Lawrenceville?
What is the month with the shortest days in Lawrenceville?
What is the average length of the day in December in Lawrenceville?
When is the sunrise / sunset in December in Lawrenceville?
How long on average sun shines in December in Lawrenceville?
When is the lowest UV index in Lawrenceville?
What is the UV index intensity in December in Lawrenceville?
Average temperature in December
Lawrenceville, NJ
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Lawrenceville, 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
Lawrenceville, NJ
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Lawrenceville, NJ
- Average humidity in December: 78%
The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April and July (73%).
Average rainfall in December
Lawrenceville, NJ
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is July (2.24").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in December
Lawrenceville, NJ
- Average rainfall days in December: 8.7 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in December
Lawrenceville, NJ
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Lawrenceville, NJ
- Average snowfall days in December: 2.8 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lawrenceville, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Lawrenceville, NJ
- Average sunshine days in December: 19 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Lawrenceville, 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, March, November and December (UV index 2).
Average cloud cover in December
Lawrenceville, NJ
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Lawrenceville, NJ
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Lawrenceville, New Jersey, USA
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