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
The start of December involves a temperature drop, moving from a chilly 44.1°F (6.7°C) in November to an icy 34.5°F (1.4°C). In the month of December, the average low-temperature in Nelson usually rests at a freezing cold 24.6°F (-4.1°C).Humidity
In Nelson, the average relative humidity in December is 85%.Rainfall
In December, the rain falls for 12.1 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Nelson, during the entire year, the rain falls for 168.3 days and collects up to 28.19" (716mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Nelson, in December, snow falls for 16.2 days, with typically accumulated 6.02" (153mm) of snow. Throughout the year, in Nelson, there are 80.4 snowfall days, and 33.03" (839mm) of snow is accumulated.Daylight
The month with the shortest days in Nelson is December, with an average of 9h and 12min of daylight.On the first day of December in Nelson, sunrise is at 7:17 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 4:47 pm EST.
Sunshine
January, February and December, with an average of 3.1h of sunshine, are months with the least sunshine in Nelson.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 1 in December translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is December in Nelson?
What is the average humidity in December in Nelson?
How much does it rain in Nelson in December?
How much does it snow in Nelson in December?
What is the month with the shortest days in Nelson?
What is the average length of the day in December in Nelson?
When are sunrise and sunset in December in Nelson?
What are the months with the least sunshine in Nelson?
How long on average sun shines in December in Nelson?
When is the lowest UV index in Nelson?
What is the UV index reading in December in Nelson?
Average temperature in December
Nelson, PA
- Average high temperature in December: 34.5°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: 24.6°F
The month with the highest average low temperature is July (57°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in December
Nelson, 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
Nelson, PA
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is January (9.6mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Nelson, 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
Nelson, PA
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Nelson, PA
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in December
Nelson, PA
- Average snowfall in December: 6.02"
The month with the highest snowfall is February (7.76").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Nelson, PA
- Average snowfall days in December: 16.2 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
Nelson, 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: 9h and 48min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 6min).
Average sunshine days in December
Nelson, PA
- Average sunshine days in December: 8 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in December
Nelson, 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
Nelson, PA
- Average cloud cover in December: 70
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Nelson, PA
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Nelson, Pennsylvania, USA
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