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 advent of December brings a slight shift in average high-temperature, moving from an enjoyable 65.1°F (18.4°C) in November to a mild 57.9°F (14.4°C). The month of December records an average low-temperature of 43°F (6.1°C).Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
In Harrisville, Mississippi, in December, during 11 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Harrisville, during the entire year, the rain falls for 145.2 days and collects up to 21.73" (552mm) of precipitation.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Harrisville, during the entire year, snow falls for 1.4 days and aggregates up to 0.2" (5mm) of snow.Daylight
The month with the shortest days in Harrisville, Mississippi, is December, with an average of 10h and 6min of daylight.On the first day of December in Harrisville, sunrise is at 6:43 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:06 pm CST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Harrisville.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Frequently asked questions
What are the temperatures in Harrisville in December?
What is the most humid month in Harrisville?
What is the average humidity in December in Harrisville?
How many days does it rain in December in Harrisville?
When does it start snowing in Harrisville?
What is the month with the shortest days in Harrisville?
What is the average length of the day in December in Harrisville?
When is the sunrise / sunset in December in Harrisville?
What are the months with the least sunshine in Harrisville?
How many hours of sunshine does Harrisville have in December?
What are the months with the lowest UV index in Harrisville?
What is the UV index reading in December in Harrisville?
Average temperature in December
Harrisville, MS
- Average high temperature in December: 57.9°F
The warmest months (with the highest average high temperature) are July and August (91.6°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Harrisville, 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
Harrisville, MS
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Harrisville, MS
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Harrisville, MS
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is August (2.64").
The driest month (with the least rainfall) is November (1.34").
Average rainfall days in December
Harrisville, MS
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is October (7.4 days).
Average snowfall in December
Harrisville, MS
- Average snowfall in December: 0.04"
The months with the highest snowfall are January and February (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Harrisville, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Harrisville, MS
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Harrisville, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in December
Harrisville, MS
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Harrisville, MS
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Harrisville, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Harrisville, Mississippi, USA
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