May weather forecast
Seosan, South Korea

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Weather in May

The last month of the spring, May, is an enjoyable month in Seosan, South Korea, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 13°C (55.4°F).

Temperature

As Seosan transitions into May, the average high-temperature is observed to rise from a fresh 12.8°C (55°F) in April to a refreshing 18.3°C (64.9°F). The temperature in Seosan lowers to an average of 13°C (55.4°F) during May nights.

Humidity

In May, the average relative humidity is 73%.

Rainfall

In Seosan, South Korea, in May, it is raining for 8.8 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, in Seosan, there are 123 rainfall days, and 754mm (29.69") of precipitation is accumulated.

Snowfall

April through October are months without snowfall.

Daylight

In Seosan, the average length of the day in May is 14h and 8min.
On the first day of May in Seosan, sunrise is at 05:39 and sunset at 19:22. On the last day of the month, sunrise is at 05:16 and sunset at 19:46 KST.

Sunshine

The average sunshine in May is 10.1h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 5 during May translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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Frequently asked questions

What are the temperatures in Seosan in May?

In Seosan, 18.3°C (64.9°F) is the average high-temperature and 13°C (55.4°F) is the average low-temperature during May.

What is the average humidity in May in Seosan?

In Seosan, South Korea, the average relative humidity in May is 73%.

How much does it rain in Seosan in May?

In May, the rain falls for 8.8 days. Throughout May, 48mm (1.89") of precipitation is accumulated.

When it does not snow in Seosan?

April through October are months without snowfall in Seosan.

How many hours of daylight does Seosan have in May?

The average day length in May in Seosan, South Korea, is 14h and 8min.

When is the sunrise / sunset in May in Seosan?

On the first day of May in Seosan, South Korea, sunrise is at 05:39 and sunset at 19:22. On the last day of the month, sunrise is at 05:16 and sunset at 19:46 KST.

How long on average sun shines in May in Seosan?

In Seosan, South Korea, the average sunshine duration in May is 10.1h.

How high is the UV index in May in Seosan?

In Seosan, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in May
Seosan, South Korea

Average temperature in May - Seosan, South Korea
  • Average high temperature in May: 18.3°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 (2.7°C).

  • Average low temperature in May: 13°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (-1°C).

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Average pressure in May
Seosan, South Korea

Average pressure in May - Seosan, South Korea
  • Average pressure in May: 1011.6mbar

The month with the highest atmospheric pressure is January (1025.7mbar).
The month with the lowest atmospheric pressure is July (1006.9mbar).

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Average wind speed in May
Seosan, South Korea

Average wind speed in May - Seosan, South Korea
  • Average wind speed in May: 13.2km/h

The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest month (with the lowest average wind speed) is June (10.4km/h).

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Average humidity in May
Seosan, South Korea

Average humidity in May - Seosan, South Korea
  • Average humidity in May: 73%

The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is February (64%).

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Average rainfall in May
Seosan, South Korea

Average rainfall in May - Seosan, South Korea
  • Average rainfall in May: 48mm

The wettest month (with the highest rainfall) is July (170mm).
The driest month (with the least rainfall) is January (19mm).

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Average rainfall days in May
Seosan, South Korea

Average rainfall days in May - Seosan, South Korea
  • Average rainfall days in May: 8.8 days

The month with the highest number of rainy days is July (19.1 days).
The months with the least rainy days are January and February (5.3 days).

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Average snowfall in May
Seosan, South Korea

Average snowfall in May - Seosan, South Korea
  • Average snowfall in May: 0mm

The month with the highest snowfall is December (40mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in May
Seosan, South Korea

Average snowfall days in May - Seosan, South Korea
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Seosan, South Korea

Average daylight in May / Average sunshine in May - Seosan, South Korea
  • Average daylight in May: 14h and 1min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in May: 10h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Seosan, South Korea

Average sunshine days in May - Seosan, South Korea
  • Average sunshine days in May: 21.1 days

The month with the most sunshine days is October (21.8 days).
The months with the least sunshine days are July and August (10.3 days).

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Average UV index in May
Seosan, South Korea

Average UV index in May - Seosan, South Korea
  • Average UV index in May: 5

The months with the highest UV index are July, August and September (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in May
Seosan, South Korea

Average cloud cover in May - Seosan, South Korea
  • Average cloud cover in May: 29

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in May
Seosan, South Korea

Average visibility in May - Seosan, South Korea
  • Average visibility in May: 10km

The months with the highest visibility are February, March, April, May, June, September, October and November (10km).
The months with the lowest visibility are January, July, August and December (9km).

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Seosan, South Korea

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