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 sea temperature 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
As Ansan, South Korea, transitions into December, a noticeable drop in the average high-temperature is observed, falling from a fresh 10.9°C (51.6°F) in November to a cold 2.5°C (36.5°F). Ansan, during the nights of December, experiences an average temperature drop to a freezing cold -2.6°C (27.3°F).Humidity
The average relative humidity in December is 61%.Rainfall
In Ansan, during December, the rain falls for 5.8 days and regularly aggregates up to 22mm (0.87") of precipitation. In Ansan, during the entire year, the rain falls for 115.1 days and collects up to 748mm (29.45") of precipitation.Snowfall
January through April, November and December are months with snowfall in Ansan. In Ansan, South Korea, during December, snow falls for 6.3 days and regularly aggregates up to 36mm (1.42") of snow. Throughout the year, there are 18.2 snowfall days, and 137mm (5.39") of snow is accumulated.Sea temperature
In Ansan, the average seawater temperature in December is 8.8°C (47.8°F).Note: In 8.8°C (47.8°F), cold shock and rapid breathing can occur when swimming at temperatures below 10°C (50°F).
Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Ansan.On the first day of the month, sunrise is at 07:28 and sunset at 17:15. On the last day of December, sunrise is at 07:46 and sunset at 17:24 KST.
Sunshine
The months with the least sunshine in Ansan are November and December, with an average of 5.8h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 during December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
How cold is it in Ansan in December?
What is the average humidity in December in Ansan?
How much does it rain in Ansan in December?
How much does it snow in Ansan in December?
What is the sea water temperature in December in Ansan?
What is the month with the shortest days in Ansan?
How many hours of daylight does Ansan have in December?
What time are sunrise and sunset in December in Ansan?
What is the month with the least sunshine in Ansan?
How many hours of sunshine does Ansan have in December?
What are the months with the lowest UV index in Ansan?
How high is the UV index in December in Ansan?
Average temperature in December
Ansan, South Korea
- Average high temperature in December: 2.5°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average pressure in December
Ansan, South Korea
- Average pressure in December: 1024.3mbar
The month with the highest atmospheric pressure is January (1025.3mbar).
The month with the lowest atmospheric pressure is July (1007mbar).
Average wind speed in December
Ansan, South Korea
- Average wind speed in December: 11km/h
The windiest month (with the highest average wind speed) is March (11.6km/h).
The calmest months (with the lowest average wind speed) are June and September (8km/h).
Average humidity in December
Ansan, South Korea
- Average humidity in December: 61%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are February and March (58%).
Average rainfall in December
Ansan, South Korea
- Average rainfall in December: 22mm
The wettest month (with the highest rainfall) is July (182mm).
The driest month (with the least rainfall) is January (13mm).
Average rainfall days in December
Ansan, South Korea
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Ansan, South Korea
- Average snowfall in December: 36mm
The month with the highest snowfall is February (46mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ansan, South Korea
- Average snowfall days in December: 6.3 days
The month with the highest number of snowfall days is December (6.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Ansan, South Korea
- Average sea temperature in December: 8.8°C
The best month for swimming (with the highest average sea temperature) is August (23.4°C).
The coldest month (with the lowest average sea temperature) is February (3.3°C).
Average daylight in December /
Average sunshine in December
Ansan, South Korea
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are November and December (Average sunshine: 5h and 48min).
Average sunshine days in December
Ansan, South Korea
- Average sunshine days in December: 20.9 days
The month with the most sunshine days is January (23.8 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in December
Ansan, South Korea
- 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, November and December (UV index 2).
Average cloud cover in December
Ansan, South Korea
- Average cloud cover in December: 35
The month with the most cloud cover is July (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Ansan, South Korea
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, October, November and December (10km).
The month with the lowest visibility is July (8km).
Ansan, South Korea
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