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
In Flat Iron, the average high-temperature in December drops from a frosty 48.9°F (9.4°C) in November to an icy 37.6°F (3.1°C). An average low-temperature of 27.5°F (-2.5°C) is recorded in the month of December.Humidity
In Flat Iron, the average relative humidity in December is 81%.Rainfall
In Flat Iron, in December, it is raining for 8.8 days, with typically 1.46" (37mm) of accumulated precipitation. Throughout the year, there are 151.8 rainfall days, and 25.63" (651mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Flat Iron. In Flat Iron, in December, snow falls for 7.9 days, with typically accumulated 2.09" (53mm) of snow. Throughout the year, there are 35.2 snowfall days, and 8.82" (224mm) of snow is accumulated.Daylight
December has the shortest days of the year in Flat Iron, Indiana, with an average of 9h and 24min of daylight.On the first day of December in Flat Iron, sunrise is at 7:53 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 8:11 am and sunset at 5:34 pm EST.
Sunshine
In December, the average sunshine in Flat Iron is 4.5h.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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun is at its strongest around midday, find shade and limit exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
Is December cold in Flat Iron?
What is the average humidity in December in Flat Iron?
How many days does it rain in December in Flat Iron?
How many days does it snow in December in Flat Iron?
What is the month with the shortest days in Flat Iron?
What is the average length of the day in December in Flat Iron?
When are sunrise and sunset in December in Flat Iron?
How many hours of sunshine does Flat Iron have in December?
When is the lowest UV index in Flat Iron?
What is the UV index intensity in December in Flat Iron?
Average temperature in December
Flat Iron, IN
- Average high temperature in December: 37.6°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.6°F).
- Average low temperature in December: 27.5°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in December
Flat Iron, 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
Flat Iron, IN
- Average wind speed in December: 9.7mph
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
Flat Iron, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Flat Iron, IN
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is April (3.23").
The driest months (with the least rainfall) are February and September (1.38").
Average rainfall days in December
Flat Iron, IN
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in December
Flat Iron, IN
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (2.64").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Flat Iron, IN
- Average snowfall days in December: 7.9 days
The month with the highest number of snowfall days is January (10.6 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
Flat Iron, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Flat Iron, IN
- Average sunshine days in December: 15.6 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Flat Iron, 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
Flat Iron, IN
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The months with the least cloud cover are June, August and September (Cloud cover 32).
Average visibility in December
Flat Iron, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Flat Iron, Indiana, USA
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