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 December, the average high-temperature decreases from a chilly 47.5°F (8.6°C) in November to a wintry 36.5°F (2.5°C). In Monroeville, December's nights observe an average temperature dip to a freezing cold 27°F (-2.8°C).Humidity
In December, the average relative humidity in Monroeville is 83%.Rainfall
In Monroeville, during December, the rain falls for 9.5 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Monroeville, during the entire year, the rain falls for 151.9 days and collects up to 23.39" (594mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Monroeville, in December, snow falls for 10.7 days, with typically accumulated 1.85" (47mm) of snow. Throughout the year, there are 50 snowfall days, and 12.68" (322mm) of snow is accumulated.Daylight
December has the shortest days of the year in Monroeville, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:45 am and sunset at 5:11 pm. On the last day of December, in Monroeville, Indiana, sunrise is at 8:04 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in December in Monroeville, Indiana, is 3.7h.UV index
December is the month with the lowest UV index in Monroeville, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Monroeville?
What is the average humidity in December in Monroeville?
How many days does it rain in December in Monroeville?
How many days does it snow in December in Monroeville?
What is the month with the shortest days in Monroeville?
How many hours of daylight does Monroeville have in December?
When is the sunrise / sunset in December in Monroeville?
How many hours of sunshine does Monroeville have in December?
What is the month with the lowest UV index in Monroeville?
How high is the UV index in December in Monroeville?
Average temperature in December
Monroeville, IN
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in December
Monroeville, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Monroeville, IN
- Average wind speed in December: 9.7mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Monroeville, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Monroeville, IN
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is April (2.95").
The driest month (with the least rainfall) is February (1.38").
Average rainfall days in December
Monroeville, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Monroeville, IN
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Monroeville, IN
- Average snowfall days in December: 10.7 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Monroeville, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 3h and 4min
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 18min).
Average sunshine days in December
Monroeville, IN
- Average sunshine days in December: 13.4 days
The month with the most sunshine days is November (16.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in December
Monroeville, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Monroeville, IN
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Monroeville, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, September, October, November and December (6mi).
The months with the lowest visibility are January and August (5mi).
Monroeville, Indiana, USA
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