Weather in Incheon: June
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Average day temperature: | 76.0°F |
| Average night temperature: | 67.9°F | |
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Sea water temperature: | 67.6°F |
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Number of sunny days: | 17 days |
| Day length: | 14.6 - 14.8 hours | |
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Number of rainy days: | 4 days |
| Precipitation totals: | 3.9 in. | |
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forecast
| Incheon |
temperature
| Incheon |
Air temperature in June, °F
The highest day temperature during June of 2026 was 78°F. At the same time the lowest night temperature was 60°F. Daily and nightly averages during June were 73.1°F and 67.1°F.
Sea water temperature in Incheon in June, °F
The average sea water temperature in June of 2026 was 69.5°F. The highest and lowest sea temperatures during the month were 73.2°F and 66.4°F.
Mostly all days in June are sunny but cloudy days are also possible.
Precipitation total in June, in.
Precipitation total value in Incheon in June is 4.6 in. Other months of the year show relatively similar values.
The average wind speed value in June is 7.4 mph It makes June lest 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 June is: 9.3.
Best time for vacation in Incheon
Incheon on a weather map
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