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

Monthly weather forecast and climate
Ulsan, South Korea

January, like December, is another chilly winter month in Ulsan, South Korea, with average temperature varying between -2.3°C (27.9°F) and 7.3°C (45.1°F). The coldest month is January, with an average high-temperature of 7.3°C (45.1°F) and an average low-temperature of -2.3°C (27.9°F). Weather in January »
February, the last month of the winter, in Ulsan, is another chilly month, with average temperature fluctuating between -0.7°C (30.7°F) and 9.2°C (48.6°F). In February, the average high-temperature is relatively the same as in January - a still frosty 9.2°C (48.6°F). Weather in February »

The first month of the spring, March, is a mild month in Ulsan, South Korea, with average temperature varying between 13.2°C (55.8°F) and 3.2°C (37.8°F). In Ulsan, the average high-temperature in March marginally rises, from a frosty 9.2°C (48.6°F) in February, to a moderate 13.2°C (55.8°F). Weather in March »

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). 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). Weather in April »

May, the last month of the spring, in Ulsan, is a warm month, with average temperature ranging between max 23.4°C (74.1°F) and min 12.8°C (55°F). In Ulsan, the average high-temperature marginally rises, from an enjoyable 19.2°C (66.6°F) in April, to a moderately hot 23.4°C (74.1°F). Weather in May »

The first month of the summer, June, is still a warm month in Ulsan, South Korea, with average temperature varying between 26°C (78.8°F) and 17.3°C (63.1°F). In June, the average high-temperature is essentially the same as in May - a still warm 26°C (78.8°F). Weather in June »

July, like June, in Ulsan, South Korea, is another warm summer month, with average temperature varying between 21.8°C (71.2°F) and 28.9°C (84°F). In July, the average high-temperature is almost the same as in June - a still warm 28.9°C (84°F). Weather in July »

August, the last month of the summer, in Ulsan, is a tropical month, with average temperature varying between 30°C (86°F) and 22.7°C (72.9°F). August is the warmest month, with an average high-temperature of 30°C (86°F) and an average low-temperature of 22.7°C (72.9°F). Weather in August »

The first month of the autumn, September, is still a warm month in Ulsan, South Korea, with average temperature ranging between min 17.9°C (64.2°F) and max 25.9°C (78.6°F). In September, the average high-temperature marginally drops, from a hot 30°C (86°F) in August, to a moderately hot 25.9°C (78.6°F). Weather in September »

October, like September, is an agreeable autumn month in Ulsan, South Korea, with temperature in the range of an average low of 11.5°C (52.7°F) and an average high of 21.9°C (71.4°F). In October, the average high-temperature slightly decreases, from a moderately hot 25.9°C (78.6°F) in September, to an agreeable 21.9°C (71.4°F). Weather in October »

November, the last month of the autumn, in Ulsan, is also a moderate month, with average temperature fluctuating between 15.8°C (60.4°F) and 5.1°C (41.2°F). In Ulsan, the average high-temperature decreases, from an agreeable 21.9°C (71.4°F) in October, to a moderate 15.8°C (60.4°F). Weather in November »

The first month of the winter, December, is still a chilly month in Ulsan, South Korea, with average temperature varying between 9.9°C (49.8°F) and -0.3°C (31.5°F). In December, the average high-temperature drops, from a mild 15.8°C (60.4°F) in November, to a chilly 9.9°C (49.8°F). Weather in December »

What is the coldest month in Ulsan?

The coldest month in Ulsan, South Korea, is January, with an average high-temperature of 7.3°C (45.1°F) and an average low-temperature of -2.3°C (27.9°F).

What is the least humid month in Ulsan?

With an average relative humidity of 49.6%, January is the least humid month in Ulsan, South Korea.

How many days does it rain in Ulsan?

Throughout the year, in Ulsan, there are 97.9 rainfall days, and 1277.1mm (50.3") of precipitation is accumulated.

When is the sea coldest in Ulsan?

With an average sea temperature of 12.3°C (54.1°F), March is the month with the coldest seawater. Swimming in 12.3°C (54.1°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

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.

When are the longest days in Ulsan?

June has the longest days of the year in Ulsan, with an average of 14.5h of daylight.

What is the most humid month in Ulsan?

The most humid month is July, with an average relative humidity of 78.9%.

What is the month with the least sunshine in Ulsan?

With an average of 4.9h of sunshine, July has the least sunshine of the year.

What is the warmest month in Ulsan?

With an average high-temperature of 30°C (86°F) and an average low-temperature of 22.7°C (72.9°F), August is the warmest month.

What is the wettest month in Ulsan?

The month with the most rainfall is August when the rain falls for 12.1 days and typically aggregates up to 240.3mm (9.5") of precipitation.

When is the sea warmest in Ulsan?

The month with the warmest seawater in Ulsan, South Korea, is August, with an average sea temperature of 25.6°C (78.1°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the driest month in Ulsan?

December is the month with the least rainfall. Rain falls for 3.9 days and accumulates 23mm (0.9") of precipitation.

What is the month with the shortest days in Ulsan?

December has the shortest days of the year, with an average of 9.8h of daylight.
Average temperature - Ulsan, South Korea
Average humidity - Ulsan, South Korea

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

Average rainfall - Ulsan, South Korea

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

Average rainfall days - Ulsan, South Korea

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 - Ulsan, South Korea

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 / Average sunshine - Ulsan, South Korea