May
Weather in May
Temperature
May's onset brings a minor rise in the average high-temperature, moving from an enjoyable 16.6°C (61.9°F) in April to a pleasant 20.6°C (69.1°F). During May, the nighttime temperature averages of 12°C (53.6°F).Humidity
In May, the average relative humidity is 68.7%.Rainfall
In Donghae, in May, during 9.3 rainfall days, 74mm (2.91") of precipitation is typically accumulated. Throughout the year, there are 107.8 rainfall days, and 1279mm (50.35") of precipitation is accumulated.Sea temperature
In May, the average sea temperature is 15.3°C (59.5°F).Note: Most people find swimming in 15.3°C (59.5°F) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
In Donghae, the average length of the day in May is 14h and 11min.On the first day of May, sunrise is at 05:27 and sunset at 19:13. On the last day of the month, sunrise is at 05:04 and sunset at 19:38 KST.
Sunshine
In May, the average sunshine is 6.7h.UV index
The average daily maximum UV index in May is 8. A UV Index reading of 8 to 10 represents a very high threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 8 during May, leads to the following recommendations:
Ensure you're protected; unprotected eyes and skin can get hurt in moments. Stay in the shade and limit direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is particularly strong. Remember, however, that shade structures may not provide complete protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How many days does it rain in May?
How cold is the water in May?
What is the average length of the day in May in Donghae?
What time are sunrise and sunset in May?
How long on average sun shines in May?
What is the UV index reading in May?
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 least 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 least 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: 14h and 1min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in May: 6h and 4min
The month with the most sunshine is April (Average sunshine: 7h and 0min).
The month with the least sunshine is July (Average sunshine: 4h and 42min).
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).
The months with the lowest UV index are January and December (UV index 2).
