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
The beginning of December signals a clear reduction in the average high-temperature, falling from a cool 10.2°C (50.4°F) in November to a wintry 1.9°C (35.4°F). Throughout December, the average low-temperature in Haeju records at a subzero cold -3.6°C (25.5°F).Humidity
In Haeju, the average relative humidity in December is 67%.Rainfall
In December, in Haeju, the rain falls for 5.4 days. Throughout December, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 101.6 rainfall days, and 591mm (23.27") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. December is the month with the most snowfall. Snow falls for 5.8 days and accumulates 27mm (1.06") of snow.Sea temperature
In December, the average sea temperature in Haeju is 7.9°C (46.2°F).Note: It is advised against swimming in 7.9°C (46.2°F) when it drops below 10°C (50°F). Such temperatures can cause extreme cold shock, leading to hyperventilation.
Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 07:34 and sunset at 17:17. On the last day of the month, sunrise is at 07:53 and sunset at 17:27 KST.
Sunshine
The months with the least sunshine are November and December, with an average of 5.5h of sunshine.UV index
The months with the lowest UV index in Haeju are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 2 in December leads to these recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
How many days does it snow in December?
How cold is the water in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Haeju, North Korea
- Average high temperature in December: 1.9°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -3.6°C
The month with the highest average low temperature is August (21°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average pressure in December
Haeju, North Korea
- Average pressure in December: 1024.5mbar
The month with the highest atmospheric pressure is January (1025.6mbar).
The month with the lowest atmospheric pressure is July (1006.5mbar).
Average wind speed in December
Haeju, North Korea
- Average wind speed in December: 13.6km/h
The windiest month (with the highest average wind speed) is March (14km/h).
The calmest month (with the lowest average wind speed) is September (8.7km/h).
Average humidity in December
Haeju, North Korea
- Average humidity in December: 67%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are March and April (58%).
Average rainfall in December
Haeju, North Korea
- Average rainfall in December: 13mm
The wettest month (with the highest rainfall) is July (144mm).
The driest month (with the least rainfall) is January (10mm).
Average rainfall days in December
Haeju, North Korea
- Average rainfall days in December: 5.4 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in December
Haeju, North Korea
- Average snowfall in December: 27mm
The month with the highest snowfall is December (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Haeju, North Korea
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is December (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in December
Haeju, North Korea
- Average sea temperature in December: 7.9°C
The best month for swimming (with the highest average sea temperature) is August (22.9°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight in December /
Average sunshine in December
Haeju, North Korea
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 5h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The months with the least sunshine are November and December (Average sunshine: 5h and 30min).
Average sunshine days in December
Haeju, North Korea
- Average sunshine days in December: 20.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is August (10.2 days).
Average UV index in December
Haeju, North Korea
- Average UV index in December: 2
The months with the highest UV index are 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
Haeju, North Korea
- Average cloud cover in December: 37
The month with the most cloud cover is July (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in December
Haeju, North Korea
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, October, November and December (10km).
The month with the lowest visibility is July (8km).
Haeju, North Korea
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