Zagreb Half Marathon weather.

Typically 6°C on race morning; rain in 2 of the last 10 years. Race morning (07:00 to 11:00 local time) in Zagreb on race day in each of the last 10 years; the 2027 race is on 21 Mar 2027.

Typical
6°C (43°F)
race-morning average
Coolest
-2°C (28°F)
lowest reading, 07:00–11:00
Warmest
17°C (63°F)
highest reading, 07:00–11:00
Wet years
2 of 10
rain, drizzle or worse
Humidity
66%
typical
Wind
9 km/h
typical, at 10 m

Race morning, 07:00–11:00

Year by year

Race dayAverageLow–highHumidityWindRainConditions
22 Mar 20269°C (48°F)7°C (44°F)–12°C (53°F)58%10 km/h0.2 mmLight drizzle
23 Mar 202513°C (55°F)10°C (49°F)–17°C (62°F)81%12 km/h0.0 mmPartly cloudy
24 Mar 20243°C (38°F)2°C (35°F)–6°C (42°F)92%7 km/h0.8 mmLight drizzle
19 Mar 20238°C (46°F)3°C (38°F)–13°C (55°F)71%5 km/h0.0 mmOvercast
20 Mar 20224°C (40°F)0°C (33°F)–8°C (46°F)52%10 km/h0.0 mmClear
21 Mar 20211°C (33°F)-2°C (28°F)–4°C (39°F)51%8 km/h0.0 mmPartly cloudy
22 Mar 20203°C (38°F)2°C (36°F)–5°C (42°F)54%16 km/h0.0 mmOvercast
24 Mar 201913°C (55°F)8°C (46°F)–17°C (62°F)60%4 km/h0.0 mmClear
18 Mar 20181°C (33°F)0°C (31°F)–2°C (36°F)78%11 km/h0.1 mmOvercast
19 Mar 201711°C (51°F)9°C (48°F)–12°C (54°F)75%8 km/h0.0 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. The half marathon starts at 08:30.

Kit and pacing

What it means

  • Good racing weather

    Around 6°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.

  • It can be cold

    The coolest morning here dropped to -2°C. Pack gloves and a throwaway layer even if the forecast looks kind.

  • The weather varies a lot

    Race mornings here have ranged by 12°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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