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 average high-temperature slightly decreases in December, shifting from a cool 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). In Newtown Square, December nights witness a steady temperature drop to an icy 34.9°F (1.6°C).Humidity
In Newtown Square, the average relative humidity in December is 76%.Rainfall
In Newtown Square, Maryland, during December, the rain falls for 10.1 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Newtown Square, there are 154.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Newtown Square, Maryland. In Newtown Square, Maryland, during December, snow falls for 1.1 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 9.5 snowfall days, and 4.88" (124mm) of snow is accumulated.Daylight
The month with the shortest days in Newtown Square is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:04 am and sunset at 4:42 pm. On the last day of December, sunrise is at 7:22 am and sunset at 4:52 pm EST.
Sunshine
In December, the average sunshine in Newtown Square is 5.1h.UV index
The months with the lowest UV index in Newtown Square are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Newtown Square in December?
What is the average humidity in December in Newtown Square?
How many days does it rain in December in Newtown Square?
How much does it snow in Newtown Square in December?
What is the month with the shortest days in Newtown Square?
What is the average length of the day in December in Newtown Square?
What time are sunrise and sunset in December in Newtown Square?
How many hours of sunshine does Newtown Square have in December?
What is the month with the lowest UV index in Newtown Square?
How high is the UV index in December in Newtown Square?
Average temperature in December
Newtown Square, MD
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 34.9°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Newtown Square, MD
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Newtown Square, MD
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Newtown Square, MD
- Average humidity in December: 76%
The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are April and November (73%).
Average rainfall in December
Newtown Square, MD
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in December
Newtown Square, MD
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (8.2 days).
Average snowfall in December
Newtown Square, MD
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (1.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Newtown Square, MD
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Newtown Square, MD
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Newtown Square, MD
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (20.7 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in December
Newtown Square, MD
- 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 and December (UV index 2).
Average cloud cover in December
Newtown Square, MD
- Average cloud cover in December: 45
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Newtown Square, MD
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newtown Square, Maryland, USA
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