December weather forecastMatamoras, IN
December
Weather in December
December, the first month of the winter in Matamoras, is also a wintry month, with an average temperature fluctuating between 36.7°F (2.6°C) and 27.3°F (-2.6°C).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a frosty 48.2°F (9°C) in November to a wintry 36.7°F (2.6°C). December nights are marked by an average temperature drop to a subzero cold 27.3°F (-2.6°C).Humidity
January, February and December, with an average relative humidity of 83%, are the most humid months.Rainfall
In Matamoras, Indiana, during December, the rain falls for 8.1 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 137.2 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Matamoras. In Matamoras, in December, during 8.1 snowfall days, 1.54" (39mm) of snow is typically accumulated. Throughout the year, there are 35.6 snowfall days, and 7.64" (194mm) of snow is accumulated.Daylight
The month with the shortest days in Matamoras, Indiana, is December, 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 5:14 pm. On the last day of December, sunrise is at 8:04 am and sunset at 5:24 pm EST.
Sunshine
In Matamoras, the average sunshine in December is 3.9h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 1 in December suggests the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Matamoras, IN
- Average high temperature in December: 36.7°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 (31.6°F).
- Average low temperature in December: 27.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in December
Matamoras, IN
- Average pressure in December: 30.11"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Matamoras, IN
- Average wind speed in December: 9.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in December
Matamoras, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Matamoras, IN
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is May (2.24").
The driest month (with the least rainfall) is February (0.98").
Average rainfall days in December
Matamoras, 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 (5.4 days).
Average snowfall in December
Matamoras, IN
- Average snowfall in December: 1.54"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Matamoras, IN
- Average snowfall days in December: 8.1 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Matamoras, IN
- Average daylight in December: 9h and 18min
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: 3h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Matamoras, IN
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
Matamoras, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Matamoras, IN
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Matamoras, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
