Weather in Hong Kong: October
| Average day temperature: | 83.6°F | |
| Average night temperature: | 75.2°F | |
| Sea water temperature: | 81.2°F | |
| Number of sunny days: | 13 days | |
| Day length: | 11.3 - 11.9 hours | |
| Number of rainy days: | 3 days | |
| Precipitation totals: | 2.1 in. | |
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forecast
| Hong Kong |
temperature
| Hong Kong |
Air temperature in October, °F
The highest day temperature during October of 2025 was 86°F. At the same time the lowest night temperature was 66°F. Daily and nightly averages during October were 80.4°F and 77.4°F.
Sea water temperature in Hong Kong in October, °F
The average sea water temperature in October of 2025 was 83.0°F. The highest and lowest sea temperatures during the month were 85.1°F and 79.5°F.
Number of sunny, partly cloudy and cloudy days in October is almost equal.
Precipitation total in October, in.
Precipitation total value in Hong Kong in October is 2.3 in. Other months of the year show relatively similar values.
The average wind speed value in October is 9.1 mph It makes October one of the most windy months 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 October is: 6.1.
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Hong Kong on a weather map

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