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
The commencement of December involves a temperature shift, with the average high-temperature dropping from a chilly 45.9°F (7.7°C) in November to a cold 35.1°F (1.7°C). December witnesses an average low-temperature hovering around a subzero cold 25.7°F (-3.5°C).Humidity
In Mongo, the average relative humidity in December is 84%.Rainfall
The month with the least rainfall is December, when the rain falls for 10.3 days and typically collects 1.57" (40mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Mongo, in December, snow falls for 12.5 days, with typically accumulated 2.72" (69mm) of snow. In Mongo, during the entire year, snow falls for 59.4 days and aggregates up to 16.69" (424mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:49 am and sunset at 5:11 pm. On the last day of December, sunrise is at 8:08 am and sunset at 5:20 pm EST.
Sunshine
In Mongo, the average sunshine in December is 3.4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Mongo have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Mongo have in December?
What are the months with the lowest UV index?
How high is the UV index in December in Mongo?
Average temperature in December
Mongo, IN
- Average high temperature in December: 35.1°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (28.9°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in December
Mongo, IN
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mongo, IN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Mongo, IN
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are March, April and October (77%).
Average rainfall in December
Mongo, IN
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.62").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in December
Mongo, IN
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in December
Mongo, IN
- Average snowfall in December: 2.72"
The month with the highest snowfall is January (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mongo, IN
- Average snowfall days in December: 12.5 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mongo, IN
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 3h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Mongo, IN
- Average sunshine days in December: 11.2 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in December
Mongo, IN
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Mongo, IN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Mongo, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Mongo, Indiana, USA
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