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

May weather forecast and climate
Ulsan, South Korea

The last month of the spring, May, is a warm month in Ulsan, South Korea, with average temperature ranging between min 12.8°C (55°F) and max 23.4°C (74.1°F).

Temperature

In Ulsan, the average high-temperature in May slightly increases, from an enjoyable 19.2°C (66.6°F) in April, to a moderately hot 23.4°C (74.1°F). The average low-temperature, in May, is 12.8°C (55°F).

Humidity

In Ulsan, South Korea, the average relative humidity in May is 66.1%.

Rainfall

In Ulsan, during 9.2 rainfall days, 108.1mm (4.3") of precipitation is typically accumulated. In Ulsan, 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, in May, the average water temperature is 16.3°C (61.3°F).
Note: For most, swimming in 16.3°C (61.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

In Ulsan, the average length of the day is 14h.

Sunshine

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

What is the temperature in May in Ulsan?

The average high-temperature, in May, in Ulsan, is 23.4°C (74.1°F), while the average low-temperature is 12.8°C (55°F).

What is the average humidity in May in Ulsan?

The average relative humidity in May in Ulsan, South Korea, is 66.1%.

How many days does it rain in May in Ulsan?

In Ulsan, in May, it is raining for 9.2 days, with typically 108.1mm (4.3") of accumulated precipitation.

What is the sea temperature in May in Ulsan?

In Ulsan, South Korea, in May, the average water temperature is 16.3°C (61.3°F). For most, swimming in 16.3°C (61.3°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Ulsan have in May?

In Ulsan, South Korea, the average length of the day in May is 14h.

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 in Ulsan.

How many hours of sunshine does Ulsan have in May?

The average sunshine in May is 6.9h.
Average temperature in May - Ulsan, South Korea
  • Average high temperature in May: 23.4°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 May: 12.8°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 May - Ulsan, South Korea
  • Average humidity in May: 66.1%

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 May - Ulsan, South Korea
  • Average rainfall in May: 108.1mm

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 May - Ulsan, South Korea
  • Average rainfall days in May: 9.2 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 May - Ulsan, South Korea
  • Average sea temperature in May: 16.3°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 May / Average sunshine in May - Ulsan, South Korea
  • Average daylight in May: 14h

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 May: 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).