December weather forecastMontezuma, IN
December
Weather in December
December, the first month of the winter in Montezuma, is also an icy month, with an average temperature ranging between min 28.4°F (-2°C) and max 39°F (3.9°C).Temperature
December's onset corresponds with a shift in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in November to a wintry 39°F (3.9°C). Nighttime temperatures in December average to a freezing cold 28.4°F (-2°C) in Montezuma.Humidity
In December, the average relative humidity is 81%.Rainfall
In Montezuma, during December, the rain falls for 8.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 146.1 rainfall days, and 21.02" (534mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. The month with the most snowfall in Montezuma is December, when snow falls for 7 days and typically aggregates up to 1.69" (43mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December, sunrise is at 7:52 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 8:10 am and sunset at 5:35 pm EST.
Sunshine
The average sunshine in December is 4.4h.UV index
The months with the lowest UV index in Montezuma, Indiana, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Montezuma, IN
- Average high temperature in December: 39°F
The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.4°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in December
Montezuma, IN
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Montezuma, IN
- Average wind speed in December: 9.3mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in December
Montezuma, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Montezuma, IN
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is June (2.68").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in December
Montezuma, IN
- Average rainfall days in December: 8.1 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in December
Montezuma, IN
- Average snowfall in December: 1.69"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Montezuma, IN
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (10 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Montezuma, IN
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Montezuma, IN
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (10 days).
Average UV index in December
Montezuma, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Montezuma, IN
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are June, August and September (Cloud cover 31).
Average visibility in December
Montezuma, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





