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 move into December indicates a reduction in the average high-temperature, down from November's chilly 47.1°F (8.4°C) to a cold 35.6°F (2°C). The month of December records an average low-temperature of 25.9°F (-3.4°C).Humidity
The average relative humidity in December in Dyer is 81%.Rainfall
In Dyer, in December, during 8.5 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. In Dyer, during the entire year, the rain falls for 167.4 days and collects up to 35" (889mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Dyer, in December, during 9.8 snowfall days, 3.07" (78mm) of snow is typically accumulated. Throughout the year, there are 47.8 snowfall days, and 20.04" (509mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December in Dyer, sunrise is at 6:57 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 4:30 pm CST.
Sunshine
The average sunshine in December is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Dyer in December?
What is the average humidity in December in Dyer?
How much does it rain in Dyer in December?
How much does it snow in Dyer in December?
What is the month with the shortest days in Dyer?
What is the average length of the day in December in Dyer?
When are sunrise and sunset in December in Dyer?
How many hours of sunshine does Dyer have in December?
When is the lowest UV index in Dyer?
What is the UV index intensity in December in Dyer?
Average temperature in December
Dyer, IN
- Average high temperature in December: 35.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in December: 25.9°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Dyer, IN
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Dyer, IN
- Average wind speed in December: 9.4mph
The windiest month (with the highest average wind speed) is January (10mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in December
Dyer, IN
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Dyer, IN
- Average rainfall in December: 1.89"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Dyer, IN
- Average rainfall days in December: 8.5 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in December
Dyer, IN
- Average snowfall in December: 3.07"
The month with the highest snowfall is February (5.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Dyer, IN
- Average snowfall days in December: 9.8 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dyer, IN
- Average daylight in December: 9h and 1min
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 12min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in December
Dyer, IN
- Average sunshine days in December: 14 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Dyer, IN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Dyer, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Dyer, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and July (5mi).
Dyer, Indiana, USA
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