Wuxi Marathon weather.

Typically 11°C on race morning; rain in 2 of the last 10 years. Race morning (07:00 to 11:00 local time) in Wuxi on race day in each of the last 10 years; the 2027 race is on 21 Mar 2027.

Typical
11°C (52°F)
race-morning average
Coolest
5°C (41°F)
lowest reading, 07:00–11:00
Warmest
25°C (77°F)
highest reading, 07:00–11:00
Wet years
2 of 10
rain, drizzle or worse
Humidity
76%
typical
Wind
11 km/h
typical, at 10 m

Race morning, 07:00–11:00

Year by year

Race dayAverageLow–highHumidityWindRainConditions
22 Mar 202612°C (54°F)10°C (49°F)–14°C (58°F)85%6 km/h0.0 mmOvercast
23 Mar 202520°C (68°F)14°C (58°F)–25°C (77°F)39%10 km/h0.0 mmClear
24 Mar 202416°C (60°F)14°C (57°F)–18°C (64°F)89%11 km/h0.0 mmOvercast
19 Mar 202310°C (50°F)7°C (45°F)–13°C (55°F)60%11 km/h0.0 mmOvercast
20 Mar 20227°C (44°F)5°C (41°F)–8°C (46°F)82%17 km/h2.3 mmOvercast
21 Mar 202111°C (53°F)9°C (48°F)–13°C (56°F)69%16 km/h0.0 mmOvercast
22 Mar 202017°C (62°F)15°C (59°F)–19°C (65°F)83%17 km/h0.0 mmOvercast
24 Mar 201910°C (51°F)6°C (43°F)–14°C (56°F)70%13 km/h0.0 mmClear
18 Mar 201811°C (52°F)11°C (51°F)–12°C (53°F)90%10 km/h4.0 mmOvercast
19 Mar 201711°C (52°F)9°C (49°F)–12°C (54°F)70%12 km/h0.3 mmOvercast

Each row is the race's date that year where we know it, else the same weekday nearest its usual date. Temperatures and humidity are averaged over 07:00 to 11:00 local time, rain is the total over those hours, and conditions are the commonest over the morning.

Kit and pacing

What it means

  • Good racing weather

    Around 11°C is close to ideal for a fast time. Shorts and a vest are enough once you're moving; bring a throwaway layer for the wait in the start pen.

  • Have a warm-day plan

    In the warmest of these years it reached 25°C by late morning. Decide in advance how much you'd slow down if the forecast is warm, rather than on the course.

  • The weather varies a lot

    Race mornings here have ranged by 13°C from year to year. Pack for both, and settle your kit and pacing from the forecast in the last few days.

General guidance from past years' numbers. Check the forecast in race week.

The course 2027 dates and entry

Weather data by Open-Meteo.com, from its historical weather archive (CC BY 4.0).

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