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 shift from November to December involves a decrease in the average high-temperature, from a fresh 53.1°F (11.7°C) to a frosty 43.5°F (6.4°C). In New Harmony, December nights cool down to an average of 31.5°F (-0.3°C).Humidity
In New Harmony, the average relative humidity in December is 78%.Rainfall
In New Harmony, during December, the rain falls for 11 days and regularly aggregates up to 3.03" (77mm) of precipitation. Throughout the year, in New Harmony, there are 167.7 rainfall days, and 38.23" (971mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In New Harmony, in December, during 4.5 snowfall days, 1.22" (31mm) of snow is typically accumulated. Throughout the year, there are 20.5 snowfall days, and 6.06" (154mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:32 pm. On the last day of December, in New Harmony, sunrise is at 7:07 am and sunset at 4:42 pm CST.
Sunshine
In New Harmony, the average sunshine in December is 4.6h.UV index
The months with the lowest UV index in New Harmony are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in New Harmony during December?
What is the average humidity in December in New Harmony?
How many days does it rain in December in New Harmony?
How many days does it snow in December in New Harmony?
What is the month with the shortest days in New Harmony?
What is the average length of the day in December in New Harmony?
When are sunrise and sunset in December in New Harmony?
How long on average sun shines in December in New Harmony?
What is the month with the lowest UV index in New Harmony?
What is the UV index reading in December in New Harmony?
Average temperature in December
New Harmony, IN
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.1°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
New Harmony, IN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
New Harmony, IN
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and February (10.1mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
New Harmony, IN
- Average humidity in December: 78%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
New Harmony, IN
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is April (5.2").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in December
New Harmony, IN
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
New Harmony, IN
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
New Harmony, IN
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (6.6 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
New Harmony, IN
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
New Harmony, IN
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in December
New Harmony, IN
- Average UV index in December: 2
The months with the highest UV index are May, 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
New Harmony, IN
- Average cloud cover in December: 51
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
New Harmony, IN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
New Harmony, Indiana, USA
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