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
Colmar's December weather shows a moderate shift in high-temperatures, falling from November's fresh 51.3°F (10.7°C) to a wintry 42.1°F (5.6°C). Colmar experiences a nighttime temperature average of 30.7°F (-0.7°C) during December.Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 79%.Rainfall
In Colmar, in December, it is raining for 7.3 days, with typically 1.02" (26mm) of accumulated precipitation. In Colmar, during the entire year, the rain falls for 116.6 days and collects up to 10.63" (270mm) of precipitation.Snowfall
Months with snowfall in Colmar are January through May, November and December. In Colmar, in December, during 1.8 snowfall days, 0.43" (11mm) of snow is typically accumulated. Throughout the year, there are 14.8 snowfall days, and 3.5" (89mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:05 am and sunset at 4:35 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:45 pm EST.
Sunshine
In December, the average sunshine is 5h.UV index
The months with the lowest UV index in Colmar are January through March, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December in Colmar?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index reading in December in Colmar?
Average temperature in December
Colmar, PA
- Average high temperature in December: 42.1°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (35.6°F).
- Average low temperature in December: 30.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Colmar, PA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Colmar, PA
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Colmar, PA
- Average humidity in December: 79%
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in December
Colmar, PA
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in December
Colmar, PA
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is July (13.8 days).
The months with the least rainy days are January and February (6.3 days).
Average snowfall in December
Colmar, PA
- Average snowfall in December: 0.43"
The month with the highest snowfall is March (1.02").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Colmar, PA
- Average snowfall days in December: 1.8 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, September and October (0 days).
Average daylight in December /
Average sunshine in December
Colmar, PA
- 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Colmar, PA
- Average sunshine days in December: 21.7 days
The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
Colmar, PA
- 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
Colmar, PA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Colmar, PA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).
Colmar, Pennsylvania, USA
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