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
With December's arrival, Forest's weather changes as the average high-temperature falls from a frosty 48.2°F (9°C) in November to a wintry 37.6°F (3.1°C). Throughout December, the temperature falls to an average low of 27.3°F (-2.6°C).Humidity
In December, the average relative humidity is 82%.Rainfall
In December, the rain falls for 7.4 days. Throughout December, 1.14" (29mm) of precipitation is accumulated. In Forest, during the entire year, the rain falls for 139.5 days and collects up to 18.07" (459mm) of precipitation.Snowfall
Months with snowfall in Forest, Indiana, are January through April, October through December. In December, in Forest, it is snowing for 5.3 days. Throughout December, 1.57" (40mm) of snow is accumulated. In Forest, Indiana, during the entire year, snow falls for 28.4 days and aggregates up to 7.44" (189mm) of snow.Daylight
The month with the shortest days in Forest is December, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:08 am and sunset at 5:29 pm EST.
Sunshine
The average sunshine in December in Forest, Indiana, is 4.2h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is December in Forest?
What is the average humidity in December in Forest?
How many days does it rain in December in Forest?
How many days does it snow in December in Forest?
What is the month with the shortest days in Forest?
How many hours of daylight does Forest have in December?
What time are sunrise and sunset in December in Forest?
How many hours of sunshine does Forest have in December?
When is the lowest UV index in Forest?
What is the UV index intensity in December in Forest?
Average temperature in December
Forest, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81°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°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in December
Forest, 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
Forest, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Forest, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Forest, IN
- Average rainfall in December: 1.14"
The wettest month (with the highest rainfall) is June (2.28").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Forest, IN
- Average rainfall days in December: 7.4 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in December
Forest, IN
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Forest, IN
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Forest, 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 18min).
- Average sunshine in December: 4h and 1min
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 48min).
Average sunshine days in December
Forest, IN
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Forest, 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, October, November and December (UV index 2).
Average cloud cover in December
Forest, 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 32).
Average visibility in December
Forest, 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).
Forest, Indiana, USA
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