December weather forecastAdel, IN
December
Weather in December
The first month of the winter, December, is still a cold month in Adel, Indiana, with an average temperature varying between 40.1°F (4.5°C) and 28.6°F (-1.9°C).Temperature
December brings a decrease in the average high-temperature, falling from November's cool 50.7°F (10.4°C) to an icy 40.1°F (4.5°C). In the month of December, the average low-temperature usually rests at a subzero cold 28.6°F (-1.9°C).Humidity
In December, the average relative humidity in Adel is 81%.Rainfall
In Adel, in December, it is raining for 10.1 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 154.9 rainfall days, and 26.18" (665mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Adel, during December, snow falls for 6.8 days and regularly aggregates up to 1.73" (44mm) of snow. In Adel, Indiana, during the entire year, snow falls for 30.1 days and aggregates up to 7.83" (199mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Adel.On the first day of December, sunrise is at 7:48 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:34 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.3h of sunshine.UV index
January, February and 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 radiation for ordinary individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Adel, IN
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.9°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Adel, 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 (29.93"Hg).
Average wind speed in December
Adel, IN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Adel, IN
- Average humidity in December: 81%
The months with the highest relative humidity are May and July (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Adel, IN
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (3.11").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Adel, IN
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Adel, IN
- Average snowfall in December: 1.73"
The month with the highest snowfall is January (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Adel, IN
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (9.1 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
Adel, IN
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 4h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Adel, IN
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Adel, IN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Adel, 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 30).
Average visibility in December
Adel, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
