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

April 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
April in Busan, South Korea, is an enjoyable spring month, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 9.9°C (49.8°F).

Temperature

In April, the average high-temperature marginally rises, from a mild 13.4°C (56.1°F) in March, to a comfortable 18.2°C (64.8°F). In April, in Busan, South Korea, the average low-temperature is 9.9°C (49.8°F).

Humidity

In Busan, the average relative humidity is 62.7%.

Rainfall

In Busan, during 9.1 rainfall days, 132.7mm (5.2") of precipitation is typically accumulated. 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, the average seawater temperature in April is 14.8°C (58.6°F).
Note: Swimming in 14.8°C (58.6°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 April, the average length of the day in Busan is 13.1h.

Sunshine

In Busan, the average sunshine in April is 7h.

UV index

The average daily maximum UV index in April is 7. A UV Index reading of 6 to 7 represents a high health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: In April, the average maximum UV index of 7 translate into the following recommendations:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. 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 temperature in April in Busan?

In Busan, in April, the average high-temperature is 18.2°C (64.8°F), and the average low-temperature is 9.9°C (49.8°F).

What is the average humidity in April in Busan?

The average relative humidity in April in Busan, South Korea, is 62.7%.

How much does it rain in Busan in April?

In April, in Busan, South Korea, the rain falls for 9.1 days. Throughout April, 132.7mm (5.2") of precipitation is accumulated.

What is the water temperature in April in Busan?

In Busan, South Korea, in April, the average water temperature is 14.8°C (58.6°F). Swimming in 14.8°C (58.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in April in Busan?

In Busan, South Korea, the average length of the day in April is 13.1h.

How many hours of sunshine does Busan have in April?

In Busan, South Korea, the average sunshine in April is 7h.

How high is the UV index in April in Busan?

In Busan, South Korea, the average daily maximum UV index in April is 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in April - Busan, South Korea
  • Average high temperature in April: 18.2°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 April: 9.9°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 April - Busan, South Korea
  • Average humidity in April: 62.7%

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 April - Busan, South Korea
  • Average rainfall in April: 132.7mm

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 April - Busan, South Korea
  • Average rainfall days in April: 9.1 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 April - Busan, South Korea
  • Average sea temperature in April: 14.8°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 April / Average sunshine in April - Busan, South Korea
  • Average daylight in April: 13.1h

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 April: 7h

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 April - Busan, South Korea
  • Average UV index in April: 7

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).