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 arrival of December corresponds with a reduction in the average high-temperature, down from November's chilly 47.7°F (8.7°C) to an icy 36.7°F (2.6°C). Monticello's average low-temperature in December is measured at a freezing cold 26.4°F (-3.1°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Monticello, in December, it is raining for 9.5 days, with typically 1.26" (32mm) of accumulated precipitation. In Monticello, Indiana, during the entire year, the rain falls for 157.1 days and collects up to 23.11" (587mm) of precipitation.Snowfall
Months with snowfall in Monticello are January through April, November and December. In December, in Monticello, it is snowing for 8.8 days. Throughout December, 1.85" (47mm) of snow is accumulated. Throughout the year, there are 42 snowfall days, and 10.16" (258mm) of snow is accumulated.Daylight
The month with the shortest days in Monticello is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:52 am and sunset at 5:20 pm. On the last day of December, in Monticello, Indiana, sunrise is at 8:11 am and sunset at 5:29 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The month with the lowest UV index in Monticello is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
How cold is it in Monticello in December?
What is the average humidity in December in Monticello?
How many days does it rain in December in Monticello?
How many days does it snow in December in Monticello?
What is the month with the shortest days in Monticello?
What is the average length of the day in December in Monticello?
When are sunrise and sunset in December in Monticello?
How long on average sun shines in December in Monticello?
What is the month with the lowest UV index in Monticello?
How high is the UV index in December in Monticello?
Average temperature in December
Monticello, IN
- Average high temperature in December: 36.7°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.4°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°F).
Average pressure in December
Monticello, IN
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Monticello, IN
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Monticello, 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 (72%).
Average rainfall in December
Monticello, IN
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.14").
Average rainfall days in December
Monticello, IN
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Monticello, IN
- Average snowfall in December: 1.85"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Monticello, IN
- Average snowfall days in December: 8.8 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Monticello, 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: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Monticello, IN
- Average sunshine days in December: 14.7 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (9.4 days).
Average UV index in December
Monticello, IN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Monticello, 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 33).
Average visibility in December
Monticello, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Monticello, Indiana, USA
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