Weather in Seoul: April
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Average day temperature: | 63.2°F |
| Average night temperature: | 51.1°F | |
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Sea water temperature: | 49.0°F |
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Number of sunny days: | 17 days |
| Day length: | 12.6 - 13.7 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 2.1 in. | |
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forecast
| Seoul |
temperature
| Seoul |
Air temperature in April, °F
The highest day temperature during April of 2026 was 79°F. At the same time the lowest night temperature was 43°F. Daily and nightly averages during April were 65.8°F and 54.2°F.
Sea water temperature in Seoul in April, °F
The average sea water temperature in April of 2026 was 52.0°F. The highest and lowest sea temperatures during the month were 57.6°F and 47.5°F.
Mostly all days in April are sunny but cloudy days are also possible.
Precipitation total in April, in.
Precipitation total value in Seoul in April is 2.0 in. Other months of the year show relatively similar values.
The average wind speed value in April is 6.8 mph It makes April most windy month of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in April is: 8.8.
Best time for vacation in Seoul
Seoul on a weather map
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