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
A moderate decline in the average high-temperature is seen during December, decreasing from a chilly 47.8°F (8.8°C) in November to an icy 38.5°F (3.6°C). Throughout December in Melcroft, Pennsylvania, a steady low-temperature average of 27.3°F (-2.6°C) is noted.Humidity
The average relative humidity in December in Melcroft is 85%.Rainfall
In Melcroft, in December, during 10.8 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Melcroft, during the entire year, the rain falls for 179.1 days and collects up to 33.43" (849mm) of precipitation.Snowfall
Months with snowfall in Melcroft are January through May, October through December. In Melcroft, in December, during 12.5 snowfall days, 6.57" (167mm) of snow is typically accumulated. Throughout the year, there are 63.4 snowfall days, and 34.17" (868mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Melcroft.On the first day of December in Melcroft, sunrise is at 7:20 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:02 pm EST.
Sunshine
The average sunshine in December in Melcroft is 3.5h.UV index
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Melcroft, Pennsylvania. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 2 in December suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Melcroft in December?
What is the average humidity in December in Melcroft?
How many days does it rain in December in Melcroft?
How much does it snow in Melcroft in December?
What is the month with the shortest days in Melcroft?
What is the average length of the day in December in Melcroft?
When are sunrise and sunset in December in Melcroft?
How many hours of sunshine does Melcroft have in December?
What is the month with the lowest UV index in Melcroft?
What is the UV index reading in December in Melcroft?
Average temperature in December
Melcroft, PA
- Average high temperature in December: 38.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in December
Melcroft, PA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Melcroft, PA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).
Average humidity in December
Melcroft, PA
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, June, July and August (78%).
Average rainfall in December
Melcroft, PA
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Melcroft, PA
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is May (22.6 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Melcroft, PA
- Average snowfall in December: 6.57"
The month with the highest snowfall is January (7.99").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Melcroft, PA
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Melcroft, 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: 3h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Melcroft, PA
- Average sunshine days in December: 10.1 days
The month with the most sunshine days is November (14.6 days).
The month with the least sunshine days is May (7.4 days).
Average UV index in December
Melcroft, PA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in December
Melcroft, PA
- Average cloud cover in December: 65
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in December
Melcroft, PA
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
Melcroft, Pennsylvania, USA
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