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 decrease of average high-temperatures is mild in December, with a decline from a cool 51.1°F (10.6°C) in November to a cold 40.8°F (4.9°C). Hymera's temperature in December lowers to a consistent average of 29.5°F (-1.4°C) during the nights.Humidity
In December, the average relative humidity is 81%.Rainfall
In Hymera, in December, it is raining for 9.6 days, with typically 2.2" (56mm) of accumulated precipitation. In Hymera, during the entire year, the rain falls for 147.3 days and collects up to 27.32" (694mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Hymera, during December, snow falls for 4.5 days and regularly aggregates up to 1.46" (37mm) of snow. Throughout the year, there are 21.1 snowfall days, and 7.68" (195mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:50 am and sunset at 5:26 pm. On the last day of December, sunrise is at 8:08 am and sunset at 5:36 pm EST.
Sunshine
January and December, with an average of 4.5h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Hymera, Indiana, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
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 Hymera have in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Hymera have in December?
What is the month with the lowest UV index in Hymera?
What is the UV index intensity in December?
Average temperature in December
Hymera, IN
- Average high temperature in December: 40.8°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 29.5°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in December
Hymera, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Hymera, IN
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Hymera, IN
- Average humidity in December: 81%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Hymera, IN
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is April (3.66").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Hymera, IN
- Average rainfall days in December: 9.6 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Hymera, IN
- Average snowfall in December: 1.46"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Hymera, IN
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hymera, IN
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 30min).
Average sunshine days in December
Hymera, IN
- Average sunshine days in December: 18 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in December
Hymera, 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
Hymera, IN
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Hymera, 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).
Hymera, Indiana, USA
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