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 arrival of December signals a shift in temperature, down from a fresh 51.6°F (10.9°C) in November to an icy 42.3°F (5.7°C). Vallonia, during the month of December, experiences an average low-temperature of 30.6°F (-0.8°C).Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In Vallonia, in December, during 10.7 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. In Vallonia, Indiana, during the entire year, the rain falls for 158.9 days and collects up to 29.72" (755mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Vallonia, Indiana, in December, during 7.3 snowfall days, 1.81" (46mm) of snow is typically accumulated. Throughout the year, in Vallonia, there are 32.5 snowfall days, and 8.74" (222mm) of snow is accumulated.Daylight
December has the shortest days of the year in Vallonia, Indiana, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:44 am and sunset at 5:22 pm. On the last day of December, in Vallonia, sunrise is at 8:02 am and sunset at 5:32 pm EST.
Sunshine
December has the least sunshine of the year in Vallonia, with an average of 4.1h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Vallonia in December?
What is the most humid month in Vallonia?
What is the average humidity in December in Vallonia?
How much does it rain in Vallonia in December?
How much does it snow in Vallonia in December?
What is the month with the shortest days in Vallonia?
How many hours of daylight does Vallonia have in December?
What time are sunrise and sunset in December in Vallonia?
What is the month with the least sunshine in Vallonia?
How many hours of sunshine does Vallonia have in December?
What is the month with the lowest UV index in Vallonia?
How high is the UV index in December in Vallonia?
Average temperature in December
Vallonia, IN
- Average high temperature in December: 42.3°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).
Average pressure in December
Vallonia, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Vallonia, IN
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January, February and April (8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Vallonia, IN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Vallonia, IN
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Vallonia, IN
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Vallonia, IN
- Average snowfall in December: 1.81"
The month with the highest snowfall is February (2.36").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Vallonia, IN
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (8.8 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
Vallonia, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in December
Vallonia, IN
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Vallonia, 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
Vallonia, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Vallonia, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, October and November (6mi).
The months with the lowest visibility are January, February, May, July, August, September and December (5mi).
Vallonia, Indiana, USA
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