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 subtle shift in Charlestown's weather is observed as November turns into December, with the average high temperature reducing from a fresh 52.7°F (11.5°C) to a frosty 43.9°F (6.6°C). The average low-temperature, in December, is a freezing cold 31.6°F (-0.2°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Charlestown, in December, it is raining for 12 days, with typically 1.97" (50mm) of accumulated precipitation. In Charlestown, Indiana, during the entire year, the rain falls for 159.1 days and collects up to 27.13" (689mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Charlestown. In Charlestown, in December, snow falls for 5.8 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, there are 28.2 snowfall days, and 6.85" (174mm) of snow is accumulated.Daylight
The month with the shortest days in Charlestown, Indiana, is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:41 am and sunset at 5:22 pm. On the last day of December, in Charlestown, sunrise is at 7:59 am and sunset at 5:32 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Charlestown in December?
What is the most humid month in Charlestown?
What is the average humidity in December in Charlestown?
How many days does it rain in December in Charlestown?
How much does it snow in Charlestown in December?
What is the month with the shortest days in Charlestown?
How many hours of daylight does Charlestown have in December?
When is the sunrise / sunset in December in Charlestown?
What is the month with the least sunshine in Charlestown?
How long on average sun shines in December in Charlestown?
When is the lowest UV index in Charlestown?
What is the UV index reading in December in Charlestown?
Average temperature in December
Charlestown, IN
- Average high temperature in December: 43.9°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in December: 31.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Charlestown, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Charlestown, IN
- Average wind speed in December: 7.2mph
The windiest months (with the highest average wind speed) are January and February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Charlestown, IN
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in December
Charlestown, IN
- Average rainfall in December: 1.97"
The wettest month (with the highest rainfall) is April (2.99").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Charlestown, IN
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Charlestown, IN
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Charlestown, IN
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is January (7.7 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
Charlestown, IN
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in December
Charlestown, IN
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in December
Charlestown, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Charlestown, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Charlestown, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
Charlestown, Indiana, USA
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