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 commencement of December involves a temperature shift, with the average high-temperature dropping from a cool 50.4°F (10.2°C) in November to an icy 40.1°F (4.5°C). Downeyville, during December, witnesses an average low-temperature of 29.3°F (-1.5°C).Humidity
July and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Downeyville, in December, during 11.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. In Downeyville, during the entire year, the rain falls for 169.5 days and collects up to 35.87" (911mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Downeyville, in December, snow falls for 7.8 days, with typically accumulated 2.13" (54mm) of snow. In Downeyville, during the entire year, snow falls for 34.1 days and aggregates up to 11.22" (285mm) 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 7:43 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 8:02 am and sunset at 5:28 pm EST.
Sunshine
In December, the average sunshine is 4.1h.UV index
The months with the lowest UV index are January, February, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The solar radiation around mid-day is intense; avoid the Sun and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Downeyville have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Downeyville have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Downeyville, IN
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (34.7°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Downeyville, 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
Downeyville, IN
- Average wind speed in December: 8.8mph
The windiest months (with the highest average wind speed) are January and February (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Downeyville, IN
- Average humidity in December: 82%
The months with the highest relative humidity are July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Downeyville, IN
- Average rainfall in December: 2.8"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Downeyville, IN
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Downeyville, IN
- Average snowfall in December: 2.13"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Downeyville, IN
- Average snowfall days in December: 7.8 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Downeyville, IN
- Average daylight in December: 9h and 2min
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 1min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Downeyville, IN
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16.2 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in December
Downeyville, 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, October, November and December (UV index 2).
Average cloud cover in December
Downeyville, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Downeyville, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Downeyville, Indiana, USA
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