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
December brings a decrease in the average high-temperature, shifting from a frosty 44.2°F (6.8°C) in November to a cold 34.3°F (1.3°C). Lawrenceville experiences a steady low-temperature of 24.8°F (-4°C) throughout December.Humidity
In December, the average relative humidity is 85%.Rainfall
In Lawrenceville, Pennsylvania, in December, during 12.7 rainfall days, 2.24" (57mm) of precipitation is typically accumulated. Throughout the year, in Lawrenceville, 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 December, it is snowing for 16.7 days. Throughout December, 6.22" (158mm) of snow is accumulated. Throughout the year, in Lawrenceville, there are 82.8 snowfall days, and 34.09" (866mm) of snow is accumulated.Daylight
The month with the shortest days in Lawrenceville 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, in Lawrenceville, Pennsylvania, sunrise is at 7:36 am and sunset at 4:47 pm EST.
Sunshine
January, February and December, with an average of 3.2h of sunshine, are months with the least sunshine in Lawrenceville.UV index
The months with the lowest UV index in Lawrenceville are January and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 1 translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Frequently asked questions
How cold is it in Lawrenceville in December?
What is the average humidity in December in Lawrenceville?
How many days does it rain in December in Lawrenceville?
How much does it snow in Lawrenceville in December?
What is the month with the shortest days in Lawrenceville?
What is the average length of the day in December in Lawrenceville?
What time are sunrise and sunset in December in Lawrenceville?
What are the months with the least sunshine in Lawrenceville?
How long on average sun shines in December in Lawrenceville?
When is the lowest UV index in Lawrenceville?
How high is the UV index in December in Lawrenceville?
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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