Climate Yearbook

Nantong weather in 2025

Nantong 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 Nantong.

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Year summary

In 2025, Nantong averaged 22.0 C for daily highs and 14.8 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 +0.8 C from that baseline, and total precipitation was -44.3 mm from the baseline total.

The warmest month was August, with an average high of 34.0 C, while January had the lowest average low at 1.7 C.

The wettest month was June, totaling 265.2 mm. The hottest day reached 38.3 C on July 6, 2025.

Monthly averages and precipitation

MonthAvg low CAvg high CRain and snow mmDays
January1.79.26.831
February1.79.013.128
March7.916.377.131
April13.324.635.430
May17.825.8176.431
June22.228.1265.230
July26.733.1171.531
August27.834.0133.131
September24.329.7189.830
October18.523.977.631
November9.416.815.230
December4.912.410.531

Daily records in 2025

RecordDateValue
Hottest dayJuly 6, 202538.3 C
Coldest nightFebruary 8, 2025-5.5 C
Wettest dayJuly 30, 202595.2 mm

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