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
Onward's weather subtly changes with the onset of December, barely falling from an enjoyable 63.5°F (17.5°C) in November to a still refreshing 55.6°F (13.1°C). Onward observes an average nighttime low-temperature of 42.8°F (6°C) during the month of December.Humidity
February, March and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Onward, during December, the rain falls for 13.4 days and regularly aggregates up to 3.54" (90mm) of precipitation. Throughout the year, there are 163.6 rainfall days, and 39.61" (1006mm) of precipitation is accumulated.Snowfall
In Onward, Mississippi, snow does not fall in April through October and December.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:48 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:05 am and sunset at 5:08 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index in Onward, Mississippi, are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Onward in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days in Onward?
How many hours of daylight does Onward have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Onward have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Onward, MS
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (39.2°F).
Average pressure in December
Onward, 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
Onward, MS
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Onward, MS
- Average humidity in December: 79%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Onward, MS
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Onward, MS
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is October (9.2 days).
Average snowfall in December
Onward, MS
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Onward, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (0.8 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
Onward, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Onward, MS
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in December
Onward, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Onward, MS
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Onward, MS
- 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).
Onward, Mississippi, USA
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