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
As December commences, the average high-temperature shows a reduction, transitioning from a chilly 49.1°F (9.5°C) in November to a wintry 38.1°F (3.4°C). Fortville, in December, observes a steady average low-temperature of 27.9°F (-2.3°C).Humidity
The months with the highest humidity are January and December, with an average relative humidity of 83%.Rainfall
In Fortville, in December, during 5.5 rainfall days, 0.51" (13mm) of precipitation is typically accumulated. In Fortville, during the entire year, the rain falls for 90.4 days and collects up to 6.85" (174mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall is December, when snow falls for 3.8 days and typically aggregates up to 0.59" (15mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:46 am and sunset at 5:18 pm. On the last day of December, in Fortville, sunrise is at 8:04 am and sunset at 5:28 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 1 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December in Fortville?
Average temperature in December
Fortville, IN
- Average high temperature in December: 38.1°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in December: 27.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in December
Fortville, 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
Fortville, IN
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Fortville, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Fortville, IN
- Average rainfall in December: 0.51"
The wettest months (with the highest rainfall) are May and June (0.79").
The driest month (with the least rainfall) is September (0.31").
Average rainfall days in December
Fortville, IN
- Average rainfall days in December: 5.5 days
The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Fortville, IN
- Average snowfall in December: 0.59"
The month with the highest snowfall is December (0.59").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Fortville, IN
- Average snowfall days in December: 3.8 days
The month with the highest number of snowfall days is January (5.1 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
Fortville, 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: 4h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Fortville, IN
- Average sunshine days in December: 23.1 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is June (15.3 days).
Average UV index in December
Fortville, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Fortville, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Fortville, IN
- 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).
Fortville, Indiana, USA
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