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
December's arrival comes with a decrease in the average high-temperature, moving from a frosty 45.9°F (7.7°C) in November to a wintry 35.2°F (1.8°C). Nighttime temperature dips to a mean of 25.7°F (-3.5°C) during December.Humidity
The average relative humidity in December is 84%.Rainfall
December is the month with the least rainfall. Rain falls for 9.8 days and accumulates 1.57" (40mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Gravel Beach, Indiana, in December, during 13 snowfall days, 2.83" (72mm) of snow is typically accumulated. Throughout the year, there are 60.2 snowfall days, and 17.95" (456mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:48 am and sunset at 5:11 pm. On the last day of December, sunrise is at 8:07 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in December is 3.5h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
What is the driest month?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December in Gravel Beach?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Gravel Beach, IN
- Average high temperature in December: 35.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Gravel Beach, IN
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Gravel Beach, IN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in December
Gravel Beach, IN
- Average humidity in December: 84%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Gravel Beach, IN
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is December (1.57").
Average rainfall days in December
Gravel Beach, IN
- Average rainfall days in December: 9.8 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Gravel Beach, IN
- Average snowfall in December: 2.83"
The month with the highest snowfall is January (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Gravel Beach, IN
- Average snowfall days in December: 13 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Gravel Beach, 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: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Gravel Beach, IN
- Average sunshine days in December: 11.6 days
The months with the most sunshine days are October and November (14 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Gravel Beach, IN
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Gravel Beach, IN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in December
Gravel Beach, IN
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
Gravel Beach, Indiana, USA
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