Barron Collier Companies Naples Half Marathon weather.

Typically 19°C on race morning; rain in 3 of the last 10 years. Race morning (07:00 to 11:00 local time) in Naples on race day in each of the last 10 years; the 2027 race is on 17 Jan 2027.

Typical
19°C (66°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
3 of 10
rain, drizzle or worse
Humidity
76%
typical
Wind
14 km/h
typical, at 10 m

Race morning, 07:00–11:00

Year by year

Race dayAverageLow–highHumidityWindRainConditions
18 Jan 202620°C (68°F)17°C (63°F)–23°C (73°F)92%8 km/h0.3 mmLight drizzle
19 Jan 202521°C (71°F)20°C (68°F)–23°C (74°F)97%17 km/h0.0 mmOvercast
14 Jan 202415°C (59°F)13°C (56°F)–17°C (63°F)73%15 km/h0.0 mmOvercast
15 Jan 20237°C (44°F)5°C (41°F)–10°C (49°F)67%11 km/h0.0 mmClear
16 Jan 202221°C (70°F)20°C (68°F)–22°C (72°F)84%32 km/h6.4 mmRain
17 Jan 202113°C (56°F)12°C (53°F)–15°C (59°F)66%9 km/h0.0 mmOvercast
19 Jan 202020°C (69°F)18°C (64°F)–25°C (76°F)78%13 km/h0.0 mmOvercast
20 Jan 201919°C (67°F)19°C (65°F)–20°C (68°F)86%26 km/h3.9 mmLight rain
14 Jan 20189°C (47°F)7°C (45°F)–11°C (53°F)67%18 km/h0.0 mmPartly cloudy
15 Jan 201719°C (67°F)17°C (63°F)–22°C (71°F)73%7 km/h0.1 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 07:00.

Kit and pacing

What it means

  • Warm: adjust your goal pace

    Around 19°C on race morning costs most runners time. Plan to run a few seconds per kilometer slower than in cool weather, take on fluid and salt at every station, and wear light colors and sun cream.

  • Be ready for rain

    It rained on 3 of the last 10 race mornings. A bin bag or cheap poncho keeps you dry in the start pen; anti-chafe balm and socks that don't hold water help over the distance, and a cap keeps rain out of your eyes.

  • Humid mornings

    Humidity is usually around 76%, so sweat evaporates slowly and it feels warmer than the thermometer says. Pace on effort, not just the watch.

  • The weather varies a lot

    Race mornings here have ranged by 15°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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