Climate Yearbook

Nanjing weather in 2023

Nanjing weather in 2023, with 365 daily observations from Open-Meteo archive data.

Interactive graph

Open Nanjing in the interactive graph

Use the graph view to inspect 2023 alongside other available years for Nanjing.

Open graph view

Year summary

In 2023, Nanjing averaged 21.3 C for daily highs and 12.9 C for daily lows.

A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was -0.4 C from that baseline, and total precipitation was -20.5 mm from the baseline total.

The warmest month was July, with an average high of 31.4 C, while January had the lowest average low at -0.7 C.

The wettest month was July, totaling 328.8 mm. The hottest day reached 35.1 C on August 12, 2023.

Monthly averages and precipitation

MonthAvg low CAvg high CRain and snow mmDays
January-0.710.038.031
February2.09.966.628
March7.417.868.531
April12.422.390.130
May17.026.1158.531
June21.229.0185.630
July25.731.4328.831
August24.531.1123.731
September21.327.8131.730
October14.623.425.731
November7.517.135.330
December0.89.440.431

Daily records in 2023

RecordDateValue
Hottest dayAugust 12, 202335.1 C
Coldest nightDecember 22, 2023-7.9 C
Wettest dayJuly 2, 202352.6 mm

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