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 start of December comes with a reduction in the average high-temperature, receding from a cool 52.7°F (11.5°C) in November to a wintry 42.6°F (5.9°C). The average temperature during December nights dips to a freezing cold 31.3°F (-0.4°C).Humidity
The average relative humidity in December in Petersburg is 79%.Rainfall
In Petersburg, in December, it is raining for 10.4 days, with typically 2.05" (52mm) of accumulated precipitation. In Petersburg, during the entire year, the rain falls for 151.2 days and collects up to 26.3" (668mm) of precipitation.Snowfall
Months with snowfall in Petersburg are January through April, November and December. In December, in Petersburg, it is snowing for 5.4 days. Throughout December, 0.71" (18mm) of snow is accumulated. In Petersburg, Indiana, during the entire year, snow falls for 23.8 days and aggregates up to 5.08" (129mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:48 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:38 pm EST.
Sunshine
December has the least sunshine of the year in Petersburg, with an average of 4.4h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
Is it cold in Petersburg during December?
What is the average humidity in December in Petersburg?
How many days does it rain in December in Petersburg?
How many days does it snow in December in Petersburg?
What is the month with the shortest days in Petersburg?
How many hours of daylight does Petersburg have in December?
When is the sunrise / sunset in December in Petersburg?
What is the month with the least sunshine in Petersburg?
How many hours of sunshine does Petersburg have in December?
What is the month with the lowest UV index in Petersburg?
How high is the UV index in December in Petersburg?
Average temperature in December
Petersburg, IN
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in December
Petersburg, IN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Petersburg, IN
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January, February and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Petersburg, IN
- Average humidity in December: 79%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Petersburg, IN
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is April (3.19").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Petersburg, IN
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Petersburg, IN
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Petersburg, IN
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (6.8 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
Petersburg, IN
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Petersburg, IN
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Petersburg, IN
- Average UV index in December: 2
The months with the highest UV index are May, 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
Petersburg, IN
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 29).
Average visibility in December
Petersburg, IN
- 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).
Petersburg, Indiana, USA
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