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
A moderate decline in the average high-temperature is seen during December, decreasing from a cool 50.9°F (10.5°C) in November to a wintry 41.4°F (5.2°C). New Harmony experiences a nighttime temperature average of 30.6°F (-0.8°C) during December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In New Harmony, in December, it is raining for 11.4 days, with typically 1.46" (37mm) of accumulated precipitation. In New Harmony, Ohio, during the entire year, the rain falls for 138.6 days and collects up to 17.24" (438mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In New Harmony, during December, snow falls for 6.5 days and regularly aggregates up to 0.94" (24mm) of snow. In New Harmony, during the entire year, snow falls for 27.3 days and aggregates up to 5.71" (145mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:23 pm EST.
Sunshine
The average sunshine in December is 4h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 1 in December transforms into the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. 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 during December?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does New Harmony have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
New Harmony, OH
- Average high temperature in December: 41.4°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
New Harmony, OH
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
New Harmony, OH
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is January (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
New Harmony, OH
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
New Harmony, OH
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is September (0.91").
Average rainfall days in December
New Harmony, OH
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in December
New Harmony, OH
- Average snowfall in December: 0.94"
The month with the highest snowfall is March (1.61").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
New Harmony, OH
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (6.8 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, OH
- 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 0min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
New Harmony, OH
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
New Harmony, OH
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
New Harmony, OH
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
New Harmony, OH
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
New Harmony, Ohio, USA
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