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
Lawrenceville observes a minor decrease in the average high-temperature with the arrival of December, falling from November's frosty 44.2°F (6.8°C) to a cold 34.3°F (1.3°C). During the month of December, Lawrenceville's nighttime temperature lowers to an average of 24.8°F (-4°C).Humidity
In Lawrenceville, the average relative humidity in December is 85%.Rainfall
In Lawrenceville, in December, during 12.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, there are 176.1 rainfall days, and 28.74" (730mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Lawrenceville, in December, during 16.7 snowfall days, 6.22" (158mm) of snow is typically accumulated. Throughout the year, there are 82.8 snowfall days, and 34.09" (866mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 4:37 pm. On the last day of December, sunrise is at 7:36 am and sunset at 4:47 pm EST.
Sunshine
The months with the least sunshine are January, February and December, with an average of 3.2h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 1 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. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Lawrenceville?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Lawrenceville have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lawrenceville, PA
- Average high temperature in December: 34.3°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 24.8°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in December
Lawrenceville, PA
- 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 (29.94"Hg).
Average wind speed in December
Lawrenceville, PA
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Lawrenceville, PA
- Average humidity in December: 85%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, May and June (78%).
Average rainfall in December
Lawrenceville, PA
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is July (2.99").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Lawrenceville, PA
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in December
Lawrenceville, PA
- Average snowfall in December: 6.22"
The month with the highest snowfall is February (8.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lawrenceville, PA
- Average snowfall days in December: 16.7 days
The month with the highest number of snowfall days is January (18.8 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, PA
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 12min).
Average sunshine days in December
Lawrenceville, PA
- Average sunshine days in December: 7 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (6.9 days).
Average UV index in December
Lawrenceville, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Lawrenceville, PA
- Average cloud cover in December: 68
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in December
Lawrenceville, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
Lawrenceville, Pennsylvania, USA
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