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
Transition into December marks a drop in the average high-temperature, moving from a frosty 49.5°F (9.7°C) in November to a cold 39.6°F (4.2°C). The month of December records an average low-temperature of 28.2°F (-2.1°C).Humidity
The average relative humidity in December is 82%.Rainfall
In Hazelwood, during December, the rain falls for 11.3 days and regularly aggregates up to 2.76" (70mm) of precipitation. In Hazelwood, during the entire year, the rain falls for 171.4 days and collects up to 36.1" (917mm) of precipitation.Snowfall
Months with snowfall in Hazelwood are January through April, October through December. In December, it is snowing for 7.6 days. Throughout December, 3.11" (79mm) of snow is accumulated. Throughout the year, there are 33.7 snowfall days, and 12.48" (317mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 24min of daylight.On the first day of December in Hazelwood, sunrise is at 7:48 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 8:06 am and sunset at 5:32 pm EST.
Sunshine
In Hazelwood, the average sunshine in December is 4.2h.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Hazelwood. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of 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 average humidity in December in Hazelwood?
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 Hazelwood have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Hazelwood have in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Hazelwood, IN
- Average high temperature in December: 39.6°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.2°F).
- Average low temperature in December: 28.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).
Average pressure in December
Hazelwood, 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
Hazelwood, IN
- Average wind speed in December: 8.9mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Hazelwood, IN
- Average humidity in December: 82%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Hazelwood, IN
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Hazelwood, IN
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (20.7 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
Hazelwood, IN
- Average snowfall in December: 3.11"
The month with the highest snowfall is January (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hazelwood, IN
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (9.6 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
Hazelwood, 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 June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Hazelwood, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in December
Hazelwood, 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
Hazelwood, IN
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Hazelwood, IN
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, July and December (5mi).
Hazelwood, Indiana, USA
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