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
During the transition into December, Montpelier observes a decrease in the average high-temperature, falling from a frosty 47.1°F (8.4°C) in November to a cold 34.5°F (1.4°C). Throughout the month of December, Montpelier witnesses an average temperature of 24.1°F (-4.4°C).Humidity
The average relative humidity in December is 81%.Rainfall
December is the month with the least rainfall in Montpelier. Rain falls for 6.6 days and accumulates 0.75" (19mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Montpelier, in December, snow falls for 7.8 days, with typically accumulated 1.42" (36mm) of snow. In Montpelier, during the entire year, snow falls for 35.4 days and aggregates up to 8.35" (212mm) of snow.Daylight
The month with the shortest days in Montpelier is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December in Montpelier is 4.4h.UV index
In Montpelier, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
How cold is December in Montpelier?
What is the average humidity in December in Montpelier?
What is the driest month in Montpelier?
How many days does it rain in December in Montpelier?
How many days does it snow in December in Montpelier?
What is the month with the shortest days in Montpelier?
How many hours of daylight does Montpelier have in December?
When are sunrise and sunset in December in Montpelier?
How many hours of sunshine does Montpelier have in December?
What is the UV index intensity in December in Montpelier?
Average temperature in December
Montpelier, IA
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in December: 24.1°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in December
Montpelier, IA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Montpelier, IA
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in December
Montpelier, IA
- Average humidity in December: 81%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Montpelier, IA
- Average rainfall in December: 0.75"
The wettest month (with the highest rainfall) is May (3.31").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in December
Montpelier, IA
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in December
Montpelier, IA
- Average snowfall in December: 1.42"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Montpelier, IA
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (10.3 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
Montpelier, IA
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Montpelier, IA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is June (10.8 days).
Average UV index in December
Montpelier, IA
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Montpelier, IA
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Montpelier, IA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Montpelier, Iowa, USA
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