December weather forecastNew Harmony, MS
December
Weather in December
The first month of the winter, December, is still a cool month in New Harmony, Mississippi, with an average temperature ranging between max 52.3°F (11.3°C) and min 38.3°F (3.5°C).Temperature
New Harmony in December experiences a gentle temperature dip, with average high-temperatures reducing from a moderate 59.9°F (15.5°C) in November to a fresh 52.3°F (11.3°C). New Harmony experiences an average temperature drop to an icy 38.3°F (3.5°C) during December nights.Humidity
March and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In December, the rain falls for 9 days. Throughout December, 0.94" (24mm) of precipitation is accumulated. Throughout the year, there are 123 rainfall days, and 12.91" (328mm) of precipitation is accumulated.Snowfall
In New Harmony, snow does not fall in March through December.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:44 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:01 am and sunset at 4:56 pm CST.
Sunshine
In New Harmony, the average sunshine in December is 4.6h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
New Harmony, MS
- Average high temperature in December: 52.3°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34.2°F).
Average pressure in December
New Harmony, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
New Harmony, MS
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
New Harmony, MS
- Average humidity in December: 80%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
New Harmony, MS
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is July (1.57").
The driest month (with the least rainfall) is September (0.59").
Average rainfall days in December
New Harmony, MS
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in December
New Harmony, MS
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
New Harmony, MS
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
New Harmony, MS
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in December
New Harmony, MS
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is July (13.9 days).
Average UV index in December
New Harmony, MS
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
New Harmony, MS
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
New Harmony, MS
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





