The highest day temperature in October 2025 was 90°F. The lowest night temperature was 62°F. The average values for day and night temperatures during October were 82.8°F и 78.1°F respectivly.

The average sea surface temperature in October 2025 for Beihai was 86.3°F. The maximum and minimum values were 82.2°F and 89.2°F respectively.

You can expect various weather conditions during October. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in October for Beihai is 4.3 in.

The average wind speed in October is 12.2 mph. It makes October one of the most windy months of the year for Beihai.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Beihai in October is 6.6 hours.