Ulsan
South Korea
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Ulsan, South Korea

April is an enjoyable spring month in Ulsan, South Korea, with average temperature varying between 8.2°C (46.8°F) and 19.2°C (66.6°F).

Temperature

In April, the average high-temperature rises, from a mild 13.2°C (55.8°F) in March, to a comfortable 19.2°C (66.6°F). In April, the average low-temperature is 8.2°C (46.8°F).

Humidity

In Ulsan, South Korea, the average relative humidity is 60.3%.

Rainfall

In Ulsan, South Korea, it is raining for 8.4 days, with typically 91.1mm (3.6") of accumulated precipitation. Throughout the year, there are 97.9 rainfall days, and 1277.1mm (50.3") of precipitation is accumulated.

Sea temperature

In Ulsan, the average water temperature is 14.4°C (57.9°F). Swimming in 14.4°C (57.9°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

The average length of the day in Ulsan is 13.1h.

Sunshine

April and May, with an average of 6.9h of sunshine, are months with the most sunshine in Ulsan, South Korea.

What is the temperature in April in Ulsan?

The average high-temperature, in April, in Ulsan, is 19.2°C (66.6°F), while the average low-temperature is 8.2°C (46.8°F).

What is the average humidity in April in Ulsan?

In April, the average relative humidity in Ulsan, South Korea, is 60.3%.

How much does it rain in Ulsan in April?

In Ulsan, in April, during 8.4 rainfall days, 91.1mm (3.6") of precipitation is typically accumulated.

What is the water temperature in April in Ulsan?

In April, the average sea temperature in Ulsan is 14.4°C (57.9°F). Swimming in 14.4°C (57.9°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 Ulsan?

In Ulsan, the average length of the day in April is 13.1h.

What are the months with the most sunshine in Ulsan?

April and May, with an average of 6.9h of sunshine, are months with the most sunshine.

How long on average sun shines in April in Ulsan?

The average sunshine in April in Ulsan, South Korea, is 6.9h.
Average temperature in April - Ulsan, South Korea
  • Average high temperature in April: 19.2°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (7.3°C).

  • Average low temperature in April: 8.2°C

The month with the highest average low temperature is August (22.7°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).

Average humidity in April - Ulsan, South Korea
  • Average humidity in April: 60.3%

The month with the highest relative humidity is July (78.9%).
The month with the lowest relative humidity is January (49.6%).

Average rainfall in April - Ulsan, South Korea
  • Average rainfall in April: 91.1mm

The wettest month (with the highest rainfall) is August (240.3mm).
The driest month (with the lowest rainfall) is December (23mm).

Average rainfall days in April - Ulsan, South Korea
  • Average rainfall days in April: 8.4 days

The month with the highest number of rainy days is July (13.5 days).
The month with the lowest number of rainy days is December (3.9 days).

Average sea temperature in April - Ulsan, South Korea
  • Average sea temperature in April: 14.4°C

The best month for swimming (with the highest average sea temperature) is August (25.6°C).
The coldest month (with the lowest average sea temperature) is March (12.3°C).

Average daylight in April / Average sunshine in April - Ulsan, 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: 6.9h

Months with most sunshine are April and May (Average sunshine: 6.9h).
The month with least sunshine is July (Average sunshine: 4.9h).