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
December brings a minor decrease, with the average high-temperature reducing from a frosty 45.9°F (7.7°C) in November to a cold 35.1°F (1.7°C). During December, the nighttime temperature averages to a subzero cold 25.7°F (-3.5°C).Humidity
The average relative humidity in December is 84%.Rainfall
December is the month with the least rainfall in Mongo, Indiana. Rain falls for 10.3 days and accumulates 1.57" (40mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Mongo. In December, in Mongo, it is snowing for 12.5 days. Throughout December, 2.72" (69mm) of snow is accumulated. In Mongo, during the entire year, snow falls for 59.4 days and aggregates up to 16.69" (424mm) of snow.Daylight
December has the shortest days of the year in Mongo, Indiana, 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, in Mongo, Indiana, 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 unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 1 in December transforms into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
How cold is it in Mongo in December?
What is the average humidity in December in Mongo?
What is the driest month in Mongo?
How many days does it rain in December in Mongo?
How many days does it snow in December in Mongo?
What is the month with the shortest days in Mongo?
What is the average length of the day in December in Mongo?
When is the sunrise / sunset in December in Mongo?
How long on average sun shines in December in Mongo?
What are the months with the lowest UV index in Mongo?
What is the UV index reading 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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