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 Acton, the average high-temperature in December drops from a frosty 49.5°F (9.7°C) in November to an icy 39.2°F (4°C). Nighttime temperature dips to a mean of 28.6°F (-1.9°C) during December.Humidity
The most humid month is December, with an average relative humidity of 82%.Rainfall
In Acton, in December, it is raining for 10.7 days, with typically 2.17" (55mm) of accumulated precipitation. In Acton, during the entire year, the rain falls for 161.8 days and collects up to 30.55" (776mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In December, it is snowing for 8.4 days. Throughout December, 2.6" (66mm) of snow is accumulated. In Acton, during the entire year, snow falls for 36.4 days and aggregates up to 10.94" (278mm) 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 December, sunrise is at 7:46 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 8:04 am and sunset at 5:29 pm EST.
Sunshine
The average sunshine in December in Acton is 4.3h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Acton. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Acton in December?
What is the most humid month in Acton?
What is the average humidity in December in Acton?
How much does it rain in Acton in December?
How much does it snow in Acton in December?
What is the month with the shortest days in Acton?
What is the average length of the day in December in Acton?
When are sunrise and sunset in December in Acton?
How many hours of sunshine does Acton have in December?
What are the months with the lowest UV index in Acton?
What is the UV index reading in December in Acton?
Average temperature in December
Acton, IN
- Average high temperature in December: 39.2°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).
Average pressure in December
Acton, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Acton, IN
- Average wind speed in December: 8.9mph
The windiest months (with the highest average wind speed) are January and February (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Acton, IN
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Acton, IN
- Average rainfall in December: 2.17"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Acton, IN
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in December
Acton, IN
- Average snowfall in December: 2.6"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Acton, IN
- Average snowfall days in December: 8.4 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Acton, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
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 12min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Acton, IN
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in December
Acton, IN
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in December
Acton, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Acton, 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).
Acton, Indiana, USA
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