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
With the onset of December, Lamar experiences a modest temperature adjustment, with the average high-temperature receding from a chilly 46.8°F (8.2°C) in November to a cold 36.9°F (2.7°C). Lamar reports a consistent average low-temperature of 25.9°F (-3.4°C) throughout December nights.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 84%.Rainfall
In December, in Lamar, the rain falls for 10.5 days. Throughout December, 2.48" (63mm) of precipitation is accumulated. In Lamar, during the entire year, the rain falls for 164.5 days and collects up to 33.11" (841mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Lamar, in December, snow falls for 8.7 days, with typically accumulated 4.41" (112mm) of snow. In Lamar, during the entire year, snow falls for 49.1 days and aggregates up to 25.55" (649mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:16 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:34 am and sunset at 4:51 pm EST.
Sunshine
In December, the average sunshine is 3.2h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
How cold is it in Lamar in December?
What are the most humid months in Lamar?
What is the average humidity in December in Lamar?
How much does it rain in Lamar in December?
How many days does it snow in December in Lamar?
What is the month with the shortest days in Lamar?
How many hours of daylight does Lamar have in December?
What time are sunrise and sunset in December in Lamar?
How many hours of sunshine does Lamar have in December?
When is the lowest UV index in Lamar?
How high is the UV index in December in Lamar?
Average temperature in December
Lamar, PA
- Average high temperature in December: 36.9°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in December
Lamar, PA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Lamar, PA
- Average wind speed in December: 6.9mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Lamar, PA
- Average humidity in December: 84%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (76%).
Average rainfall in December
Lamar, PA
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is November (2.01").
Average rainfall days in December
Lamar, PA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Lamar, PA
- Average snowfall in December: 4.41"
The month with the highest snowfall is February (7.4").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lamar, PA
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lamar, PA
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Lamar, PA
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Lamar, PA
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Lamar, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in December
Lamar, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Lamar, Pennsylvania, USA
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