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 onset of December introduces a moderate change in Harris's weather, with average high-temperatures falling from November's frosty 46.9°F (8.3°C) to a cold 35.8°F (2.1°C). Harris's nighttime temperature during December is consistently averaged at a subzero cold 26.2°F (-3.2°C).Humidity
In December, the average relative humidity in Harris is 83%.Rainfall
In Harris, Indiana, in December, during 8.8 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 150.8 rainfall days, and 19.21" (488mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.4 days. Throughout December, 1.97" (50mm) of snow is accumulated. Throughout the year, in Harris, there are 52.2 snowfall days, and 10.63" (270mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of the month, sunrise is at 7:52 am and sunset at 5:16 pm. On the last day of December, sunrise is at 8:11 am and sunset at 5:25 pm EST.
Sunshine
In December, the average sunshine is 3.7h.UV index
The months with the lowest UV index in Harris are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 1 in December translates into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Harris?
What is the average humidity in December in Harris?
How much does it rain in Harris in December?
How much does it snow in Harris in December?
What is the month with the shortest days in Harris?
What is the average length of the day in December in Harris?
What time are sunrise and sunset in December in Harris?
How long on average sun shines in December in Harris?
What is the month with the lowest UV index in Harris?
What is the UV index intensity in December in Harris?
Average temperature in December
Harris, IN
- Average high temperature in December: 35.8°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in December: 26.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in December
Harris, IN
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Harris, IN
- Average wind speed in December: 9.6mph
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
Harris, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Harris, IN
- Average rainfall in December: 1.02"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.94").
Average rainfall days in December
Harris, IN
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Harris, IN
- Average snowfall in December: 1.97"
The month with the highest snowfall is January (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Harris, IN
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Harris, 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 4min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Harris, IN
- Average sunshine days in December: 13.1 days
The months with the most sunshine days are October and November (15.3 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in December
Harris, IN
- Average UV index in December: 1
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Harris, IN
- Average cloud cover in December: 61
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Harris, 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).
Harris, Indiana, USA
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