Busan
South Korea
Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Busan, South Korea

The Haedong Yonggungsa Temple set on a beautiful hillside in Busan, South Korea
The Haedong Yonggungsa Temple set on a beautiful hillside in Busan, South Korea
January, the same as December, in Busan, South Korea, is another chilly winter month, with average temperature fluctuating between 7.8°C (46°F) and -0.6°C (30.9°F).

Temperature

The coldest month is January, with an average high-temperature of 7.8°C (46°F) and an average low-temperature of -0.6°C (30.9°F).

Humidity

January is the least humid month, with an average relative humidity of 48.3%.

Rainfall

In Busan, during January, the rain falls for 5.5 days and regularly aggregates up to 34.4mm (1.4") of precipitation. In Busan, during the entire year, the rain falls for 98.3 days and collects up to 1519.1mm (59.8") of precipitation.

Sea temperature

In Busan, South Korea, in January, the average water temperature is 14.7°C (58.5°F).
Note: Swimming in 14.7°C (58.5°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Busan, South Korea, the average length of the day is 10.1h.

Sunshine

In January, the average sunshine is 6.4h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Busan. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 2 transform into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the coldest month in Busan?

The coldest month in Busan, South Korea, is January, with an average high-temperature of 7.8°C (46°F) and an average low-temperature of -0.6°C (30.9°F).

What is the temperature in January in Busan?

In Busan, in January, the average high-temperature is 7.8°C (46°F), and the average low-temperature is -0.6°C (30.9°F).

What is the least humid month in Busan?

With an average relative humidity of 48.3%, January is the least humid month in Busan, South Korea.

What is the average humidity in January in Busan?

In Busan, South Korea, the average relative humidity in January is 48.3%.

How much does it rain in Busan in January?

In Busan, South Korea, in January, during 5.5 rainfall days, 34.4mm (1.4") of precipitation is typically accumulated.

What is the water temperature in January in Busan?

In January, the average sea temperature is 14.7°C (58.5°F). Swimming in 14.7°C (58.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Busan have in January?

The average length of the day in January in Busan, South Korea, is 10.1h.

How many hours of sunshine does Busan have in January?

In January, the average sunshine is 6.4h.

What is the month with the lowest UV index in Busan?

Months with the lowest UV index in Busan are January and December, with an average maximum UV index of 2.

What is the UV index intensity in January in Busan?

In January, the average daily maximum UV index in Busan is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in January - Busan, South Korea
  • Average high temperature in January: 7.8°C

The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (7.8°C).

  • Average low temperature in January: -0.6°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).

Average humidity in January - Busan, South Korea
  • Average humidity in January: 48.3%

The month with the highest relative humidity is July (84.3%).
The month with the lowest relative humidity is January (48.3%).

Average rainfall in January - Busan, South Korea
  • Average rainfall in January: 34.4mm

The wettest month (with the highest rainfall) is July (316.9mm).
The driest month (with the lowest rainfall) is December (22.8mm).

Average rainfall days in January - Busan, South Korea
  • Average rainfall days in January: 5.5 days

The month with the highest number of rainy days is July (13.6 days).
The month with the lowest number of rainy days is December (4.2 days).

Average sea temperature in January - Busan, South Korea
  • Average sea temperature in January: 14.7°C

The best month for swimming (with the highest average sea temperature) is August (26.3°C).
The coldest month (with the lowest average sea temperature) is March (13.3°C).

Average daylight in January / Average sunshine in January - Busan, South Korea
  • Average daylight in January: 10.1h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in January: 6.4h

The month with most sunshine is May (Average sunshine: 7.2h).
The month with least sunshine is July (Average sunshine: 5.3h).

Average UV index in January - Busan, South Korea
  • Average UV index in January: 2

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).