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 fluctuating between 8.2°C (46.8°F) and 19.2°C (66.6°F).

Temperature

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

Humidity

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

Rainfall

In Ulsan, South Korea, it is raining for 8.4 days, with typically 91.1mm (3.6") of accumulated precipitation. In Ulsan, South Korea, during the entire year, the rain falls for 97.9 days and collects up to 1277.1mm (50.3") of precipitation.

Sea temperature

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

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

What is the temperature in April in Ulsan?

In Ulsan, South Korea, in April, the average high-temperature is 19.2°C (66.6°F), and 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 is 60.3%.

How many days does it rain in April in Ulsan?

In Ulsan, South Korea, during April, the rain falls for 8.4 days and regularly aggregates up to 91.1mm (3.6") of precipitation.

What is the water temperature in April in Ulsan?

In Ulsan, the average seawater temperature in April is 14.4°C (57.9°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

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

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

What is the month with the most sunshine in Ulsan?

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

How long on average sun shines in April in Ulsan?

In April, the average sunshine in Ulsan 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).