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
Attica's December weather shows a moderate shift in high-temperatures, falling from November's chilly 48.7°F (9.3°C) to a cold 37.6°F (3.1°C). Nighttime temperature dips to a mean of 27.3°F (-2.6°C) during December.Humidity
In Attica, the average relative humidity in December is 81%.Rainfall
In Attica, during December, the rain falls for 10 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Attica, during the entire year, the rain falls for 161.5 days and collects up to 27.91" (709mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Attica, in December, during 8.5 snowfall days, 2.24" (57mm) of snow is typically accumulated. Throughout the year, there are 37.6 snowfall days, and 10.59" (269mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:53 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:33 pm EST.
Sunshine
In Attica, the average sunshine in December is 4.4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Attica?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Attica have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Attica have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Attica, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (32°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Attica, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Attica, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Attica, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Attica, IN
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is April (3.39").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Attica, IN
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is May (19.4 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Attica, IN
- Average snowfall in December: 2.24"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Attica, IN
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (11 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
Attica, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Attica, IN
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (9 days).
Average UV index in December
Attica, 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
Attica, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are June and August (Cloud cover 32).
Average visibility in December
Attica, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Attica, Indiana, USA
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