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
With the beginning of December, the average high-temperature shows a decrease, transitioning from a chilly 45.5°F (7.5°C) in November to a cold 34.5°F (1.4°C). December witnesses a minor deviation from daytime peaks, with an average nighttime temperature of 25.7°F (-3.5°C).Humidity
In December, the average relative humidity is 84%.Rainfall
September, November and December are months with the least rain when the rain falls for 11 days and typically aggregates up to 1.85" (47mm) of rain.Snowfall
Months with snowfall are January through May, October through December. In Clear Lake, Indiana, in December, during 13.7 snowfall days, 3.31" (84mm) of snow is typically accumulated. In Clear Lake, during the entire year, snow falls for 61.2 days and aggregates up to 19.02" (483mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 7:47 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:18 pm EST.
Sunshine
In Clear Lake, Indiana, the average sunshine in December is 3.5h.UV index
The month with the lowest UV index in Clear Lake is December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 1 leads to the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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 much does it rain in December?
How many days does it snow in December in Clear Lake?
What is the month with the shortest days?
How many hours of daylight does Clear Lake have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Clear Lake have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Clear Lake, IN
- Average high temperature in December: 34.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in December: 25.7°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in December
Clear Lake, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Clear Lake, IN
- Average wind speed in December: 9.9mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Clear Lake, IN
- Average humidity in December: 84%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are March, April and October (77%).
Average rainfall in December
Clear Lake, IN
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is April (3.98").
The driest months (with the least rainfall) are September, November and December (1.85").
Average rainfall days in December
Clear Lake, IN
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in December
Clear Lake, IN
- Average snowfall in December: 3.31"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clear Lake, IN
- Average snowfall days in December: 13.7 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clear Lake, IN
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Clear Lake, IN
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
Clear Lake, 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
Clear Lake, IN
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in December
Clear Lake, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Clear Lake, Indiana, USA
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