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

Monthly weather forecast and climate
Ulsan, South Korea

January, the same as December, in Ulsan, South Korea, is another chilly winter month, with average temperature fluctuating between 7.3°C (45.1°F) and -2.3°C (27.9°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 also a frosty month, with average temperature fluctuating between 9.2°C (48.6°F) and -0.7°C (30.7°F). In Ulsan, the average high-temperature in February is almost the same as in January - a still chilly 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 3.2°C (37.8°F) and 13.2°C (55.8°F). In Ulsan, the average high-temperature marginally rises, from a chilly 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 fluctuating between 8.2°C (46.8°F) and 19.2°C (66.6°F). 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). Weather in April »

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). 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). Weather in May »

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

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

The last month of the summer, August, is a tropical month in Ulsan, South Korea, with average temperature ranging between max 30°C (86°F) and min 22.7°C (72.9°F). The warmest month is August, with an average high-temperature of 30°C (86°F) and an average low-temperature of 22.7°C (72.9°F). In August, the average heat index is estimated at a torrid 37°C (98.6°F). Weather in August »

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

October, the same as September, in Ulsan, South Korea, is an agreeable autumn month, with average temperature fluctuating between 11.5°C (52.7°F) and 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 a pleasant 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 ranging between min 5.1°C (41.2°F) and max 15.8°C (60.4°F). In November, the average high-temperature drops, from an agreeable 21.9°C (71.4°F) in October, to a moderate 15.8°C (60.4°F). Weather in November »

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

What is the coldest month in Ulsan?

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

What is the least humid month in Ulsan?

The least humid month in Ulsan is January, with an average relative humidity of 49.6%.

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?

March is the month with the coldest seawater in Ulsan, with an average sea temperature of 12.3°C (54.1°F).

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.

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 in Ulsan, South Korea, is July, with an average relative humidity of 78.9%.

What is the month with the least sunshine in Ulsan?

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

What is the warmest month in Ulsan?

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

What is the wettest month in Ulsan?

August is the month with the most rainfall. Rain falls for 12.1 days and accumulates 240.3mm (9.5") of precipitation.

What month is the sea warmest in Ulsan?

August is the month with the warmest seawater in Ulsan, South Korea, with an average sea temperature of 25.6°C (78.1°F).

What is the driest month in Ulsan?

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

What is the month with the shortest days in Ulsan?

With an average of 9.8h of daylight, December has the shortest days of the year in Ulsan, South Korea.
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