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 minor decrease in the average high-temperature is observed during December, shifting from a mild 57°F (13.9°C) in November to a chilly 49.6°F (9.8°C). In Bethlehem, the average nighttime temperature during December is a wintry 35.1°F (1.7°C).Humidity
May and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In Bethlehem, in December, it is raining for 11.1 days, with typically 3.19" (81mm) of accumulated precipitation. Throughout the year, in Bethlehem, there are 160.8 rainfall days, and 30.59" (777mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 1.2 days and typically aggregates up to 2.2" (56mm) of snow.Daylight
The month with the shortest days in Bethlehem is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:17 am and sunset at 5:11 pm. On the last day of December, sunrise is at 7:35 am and sunset at 5:21 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.5h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Bethlehem. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
What is the average December temperature in Bethlehem?
What are the most humid months in Bethlehem?
What is the average humidity in December in Bethlehem?
How many days does it rain in December in Bethlehem?
When does it snow the most in Bethlehem?
How many days does it snow in December in Bethlehem?
What is the month with the shortest days in Bethlehem?
How many hours of daylight does Bethlehem have in December?
When is the sunrise / sunset in December in Bethlehem?
What is the month with the least sunshine in Bethlehem?
How many hours of sunshine does Bethlehem have in December?
What is the month with the lowest UV index in Bethlehem?
How high is the UV index in December in Bethlehem?
Average temperature in December
Bethlehem, NC
- Average high temperature in December: 49.6°F
The warmest month (with the highest average high temperature) is July (88.2°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.1°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
Bethlehem, NC
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Bethlehem, NC
- Average wind speed in December: 5.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Bethlehem, NC
- Average humidity in December: 76%
The months with the highest relative humidity are May and December (76%).
The month with the lowest relative humidity is July (71%).
Average rainfall in December
Bethlehem, NC
- Average rainfall in December: 3.19"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
Bethlehem, NC
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Bethlehem, NC
- Average snowfall in December: 2.2"
The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Bethlehem, NC
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.8 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
Bethlehem, NC
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 5h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in December
Bethlehem, NC
- Average sunshine days in December: 18.1 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in December
Bethlehem, NC
- 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
Bethlehem, NC
- Average cloud cover in December: 40
The month with the most cloud cover is March (Cloud cover 41).
The months with the least cloud cover are June and July (Cloud cover 28).
Average visibility in December
Bethlehem, NC
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Bethlehem, North Carolina, USA
Weather forecast for your location
2. Allow the app to use your location
