December weather forecastSan Pierre, IN
December
Weather in December
The first month of the winter, December, is also an icy month in San Pierre, Indiana, with an average temperature varying between 27°F (-2.8°C) and 36°F (2.2°C).Temperature
December brings a minor decrease, with the average high-temperature reducing from a frosty 47.1°F (8.4°C) in November to a wintry 36°F (2.2°C). Nighttime, during December, brings an average low of 27°F (-2.8°C), a modest reduction from the day's peak.Humidity
In San Pierre, the average relative humidity in December is 82%.Rainfall
In December, in San Pierre, the rain falls for 9.4 days. Throughout December, 1.18" (30mm) of precipitation is accumulated. Throughout the year, there are 156.1 rainfall days, and 22.44" (570mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In San Pierre, during December, snow falls for 10 days and regularly aggregates up to 2.05" (52mm) of snow. Throughout the year, there are 46.9 snowfall days, and 11.89" (302mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 4:19 pm. On the last day of December, sunrise is at 7:12 am and sunset at 4:28 pm CST.
Sunshine
The average sunshine in December is 4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the maximum UV index of 1 suggests this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Pierre, IN
- Average high temperature in December: 36°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in December: 27°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in December
San Pierre, 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
San Pierre, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
San Pierre, 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 (73%).
Average rainfall in December
San Pierre, IN
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in December
San Pierre, IN
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in December
San Pierre, IN
- Average snowfall in December: 2.05"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
San Pierre, IN
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
San Pierre, IN
- Average daylight in December: 9h and 18min
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: 4h and 0min
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 30min).
Average sunshine days in December
San Pierre, IN
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
San Pierre, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
San Pierre, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
San Pierre, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
