Climate Yearbook

Zhoushan weather in 2025

Zhoushan weather in 2025, with 365 daily observations from Open-Meteo archive data.

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Use the graph view to inspect 2025 alongside other available years for Zhoushan.

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Year summary

In 2025, Zhoushan averaged 21.6 C for daily highs and 16.1 C for daily lows.

A 1991-2020 normal is not available for this location yet, so this page compares 2025 with the 2023-2025 archive baseline. The 2025 average daily high was +0.7 C from that baseline, and total precipitation was -96.6 mm from the baseline total.

The warmest month was August, with an average high of 31.4 C, while February had the lowest average low at 4.1 C.

The wettest month was June, totaling 428.4 mm. The hottest day reached 33.0 C on August 10, 2025.

Monthly averages and precipitation

MonthAvg low CAvg high CRain and snow mmDays
January4.810.826.331
February4.19.861.028
March8.414.659.631
April12.520.370.030
May17.323.5205.231
June22.326.6428.430
July25.929.9188.831
August27.131.416.431
September25.931.258.130
October22.026.839.131
November13.318.555.030
December9.315.110.031

Daily records in 2025

RecordDateValue
Hottest dayAugust 10, 202533.0 C
Coldest nightFebruary 8, 2025-2.7 C
Wettest dayJuly 30, 202579.0 mm

Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.