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
December's arrival sees a clear drop in the average high-temperature, decreasing from November's icy 41.7°F (5.4°C) to a subzero cold 25°F (-3.9°C). Nighttime temperature lowers to an average of 12.7°F (-10.7°C) in December.Humidity
In Melrose Addition, the average relative humidity in December is 85%.Rainfall
In Melrose Addition, during December, the rain falls for 3.1 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Melrose Addition, during the entire year, the rain falls for 97.2 days and collects up to 18.35" (466mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 11.4 days. Throughout December, 3.43" (87mm) of snow is accumulated. Throughout the year, there are 54.8 snowfall days, and 19.13" (486mm) of snow is accumulated.Daylight
With an average of 8h and 48min of daylight, December has the shortest days of the year in Melrose Addition.On the first day of the month, sunrise is at 7:54 am and sunset at 4:52 pm. On the last day of December, sunrise is at 8:13 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December in Melrose Addition is 4.3h.UV index
The average daily maximum UV index in December in Melrose Addition is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
How cold is December in Melrose Addition?
What is the average humidity in December in Melrose Addition?
How many days does it rain in December in Melrose Addition?
How much does it snow in Melrose Addition in December?
What is the month with the shortest days in Melrose Addition?
How many hours of daylight does Melrose Addition have in December?
When is the sunrise / sunset in December in Melrose Addition?
How many hours of sunshine does Melrose Addition have in December?
What is the UV index intensity in December in Melrose Addition?
Average temperature in December
Melrose Addition, SD
- Average high temperature in December: 25°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (20.7°F).
- Average low temperature in December: 12.7°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (6.3°F).
Average pressure in December
Melrose Addition, SD
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is February (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in December
Melrose Addition, SD
- Average wind speed in December: 9.5mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).
Average humidity in December
Melrose Addition, SD
- Average humidity in December: 85%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are August and September (60%).
Average rainfall in December
Melrose Addition, SD
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (0.59").
Average rainfall days in December
Melrose Addition, SD
- Average rainfall days in December: 3.1 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2 days).
Average snowfall in December
Melrose Addition, SD
- Average snowfall in December: 3.43"
The month with the highest snowfall is January (3.82").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Melrose Addition, SD
- Average snowfall days in December: 11.4 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Melrose Addition, SD
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Melrose Addition, SD
- Average sunshine days in December: 18.9 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in December
Melrose Addition, SD
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in December
Melrose Addition, SD
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in December
Melrose Addition, SD
- 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).
Melrose Addition, South Dakota, USA
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