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
In Hagerstown, entering December brings a temperature decrement, reducing from November's chilly 48.4°F (9.1°C) to a cold 37.9°F (3.3°C). Nighttime temperature in Hagerstown lowers to an average of 27.9°F (-2.3°C) in December.Humidity
The months with the highest humidity are January, July and December, with an average relative humidity of 83%.Rainfall
In December, the rain falls for 11.7 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 172.8 rainfall days, and 32.32" (821mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Hagerstown. December is the month with the most snowfall in Hagerstown. Snow falls for 10.3 days and accumulates 3.62" (92mm) of snow.Daylight
December has the shortest days of the year in Hagerstown, Indiana, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:43 am and sunset at 5:16 pm. On the last day of December, in Hagerstown, sunrise is at 8:02 am and sunset at 5:25 pm EST.
Sunshine
In Hagerstown, the average sunshine in December is 3.9h.UV index
The months with the lowest UV index in Hagerstown are January through March, October through December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. To cut down UV radiation exposure by about half, sport a wide-brim hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
Is December cold in Hagerstown?
What is the most humid month in Hagerstown?
What is the average humidity in December in Hagerstown?
How much does it rain in Hagerstown in December?
What is the snowiest month in Hagerstown?
How much does it snow in Hagerstown in December?
What is the month with the shortest days in Hagerstown?
How many hours of daylight does Hagerstown have in December?
What time are sunrise and sunset in December in Hagerstown?
How long on average sun shines in December in Hagerstown?
What is the month with the lowest UV index in Hagerstown?
What is the UV index reading in December in Hagerstown?
Average temperature in December
Hagerstown, IN
- Average high temperature in December: 37.9°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (32.4°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Hagerstown, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Hagerstown, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Hagerstown, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, July and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Hagerstown, IN
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is February (1.97").
Average rainfall days in December
Hagerstown, IN
- Average rainfall days in December: 11.7 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in December
Hagerstown, IN
- Average snowfall in December: 3.62"
The month with the highest snowfall is December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hagerstown, IN
- Average snowfall days in December: 10.3 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hagerstown, IN
- 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Hagerstown, IN
- Average sunshine days in December: 12 days
The month with the most sunshine days is November (15.7 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Hagerstown, IN
- Average UV index in December: 2
The months with the highest UV index are May, June and 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
Hagerstown, IN
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Hagerstown, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Hagerstown, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location
