Donghae
South Korea
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Donghae, South Korea

The last month of the spring, May, is a pleasant month in Donghae, South Korea, with average temperature varying between 20.6°C (69.1°F) and 12°C (53.6°F).

Temperature

In May, the average high-temperature marginally rises, from an enjoyable 16.6°C (61.9°F) in April, to an agreeable 20.6°C (69.1°F). In May, in Donghae, the average low-temperature is 12°C (53.6°F).

Humidity

In Donghae, the average relative humidity is 68.7%.

Rainfall

In Donghae, during May, the rain falls for 9.3 days and regularly aggregates up to 74mm (2.9") of precipitation. In Donghae, during the entire year, the rain falls for 107.8 days and collects up to 1278.9mm (50.4") of precipitation.

Sea temperature

In Donghae, South Korea, the average seawater temperature in May is 15.3°C (59.5°F).
Note: For swimming, a surface water temperature of 15.3°C (59.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In May, the average length of the day in Donghae is 14.2h.

Sunshine

In May, the average sunshine in Donghae is 6.7h.

UV index

In Donghae, the average daily maximum UV index is 8. A UV Index estimate of 8 to 10 represents a very high health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In May, the average maximum UV index of 8 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in May in Donghae?

In Donghae, in May, the average high-temperature is 20.6°C (69.1°F), and the average low-temperature is 12°C (53.6°F).

What is the average humidity in May in Donghae?

In Donghae, the average relative humidity in May is 68.7%.

How much does it rain in Donghae in May?

In May, in Donghae, the rain falls for 9.3 days. Throughout May, 74mm (2.9") of precipitation is accumulated.

How cold is the water in May in Donghae?

In Donghae, South Korea, the average seawater temperature in May is 15.3°C (59.5°F). Swimming in 15.3°C (59.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Donghae have in May?

The average length of the day in May is 14.2h.

How many hours of sunshine does Donghae have in May?

In Donghae, South Korea, the average sunshine in May is 6.7h.

What is the UV index intensity in May in Donghae?

In Donghae, the average daily maximum UV index in May is 8. A UV Index value of 8 to 10 symbolizes a very high health threat from unprotected exposure to the UV radiation.
Average temperature in May - Donghae, South Korea
  • Average high temperature in May: 20.6°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (5.2°C).

  • Average low temperature in May: 12°C

The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).

Average humidity in May - Donghae, South Korea
  • Average humidity in May: 68.7%

The month with the highest relative humidity is August (82.6%).
The month with the lowest relative humidity is December (46.8%).

Average rainfall in May - Donghae, South Korea
  • Average rainfall in May: 74mm

The wettest month (with the highest rainfall) is September (241.1mm).
The driest month (with the lowest rainfall) is December (21.3mm).

Average rainfall days in May - Donghae, South Korea
  • Average rainfall days in May: 9.3 days

The month with the highest number of rainy days is August (15 days).
The month with the lowest number of rainy days is December (3.9 days).

Average sea temperature in May - Donghae, South Korea
  • Average sea temperature in May: 15.3°C

The best month for swimming (with the highest average sea temperature) is August (24.3°C).
The coldest month (with the lowest average sea temperature) is March (9.5°C).

Average daylight in May / Average sunshine in May - Donghae, South Korea
  • Average daylight in May: 14.2h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.6h).

  • Average sunshine in May: 6.7h

The month with most sunshine is April (Average sunshine: 7h).
The month with least sunshine is July (Average sunshine: 4.7h).

Average UV index in May - Donghae, South Korea
  • Average UV index in May: 8

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 2).