Herceg Novi weather

Air and sea in Herceg Novi right now, the forecast for the next days, and what the month is usually like — from ten years of records.

Right now

Air27°C 81°F
Sea25°C 78°F
Wind6 m/s
Humidity59%

Measured right now at the Тиват station: 33°C (91°F). The forecast above is a model; the station is an instrument, and the two differ by a few degrees.

Next few days

DayDayNightRain
Sun 9 Aug 32°C 90°F 25°C 77°F 0.1 mm
Mon 10 Aug 31°C 88°F 27°C 81°F dry
Tue 11 Aug 32°C 90°F 27°C 81°F dry
Wed 12 Aug 35°C 95°F 27°C 81°F dry

Forecast by MET Norway. The first row covers only the hours left in the day — an evening reading is not the day’s maximum.

Month by month, ten-year averages

MonthDayNightSeaRainy days
January 11°C 52°F 5°C 41°F 15°C 59°F 14
February 12°C 54°F 6°C 43°F 14°C 58°F 12
March 14°C 57°F 8°C 46°F 15°C 59°F 14
April 17°C 63°F 11°C 52°F 17°C 62°F 12
May 21°C 70°F 15°C 59°F 20°C 68°F 16
June 27°C 81°F 20°C 68°F 25°C 77°F 10
July 29°C 84°F 23°C 73°F 27°C 81°F 6
August 30°C 86°F 23°C 73°F 27°C 81°F 7
September 25°C 77°F 19°C 66°F 25°C 78°F 10
October 20°C 68°F 15°C 59°F 22°C 72°F 11
November 16°C 61°F 11°C 52°F 19°C 67°F 15
December 12°C 54°F 7°C 45°F 17°C 62°F 13
Weather across the coast → Crna Gora Live, a free Telegram app: air, water, waves and UV for every town, plus beaches, buses and the ferry.

Frequently asked questions

When is the sea warm enough to swim in Herceg Novi?

The sea holds above 21°C (70°F) from June to October. In August it averages 27°C.

What is the hottest month in Herceg Novi?

August: 30°C (86°F) by day, 23°C at night, rain on 7 days.

How accurate is this?

The forecast comes from MET Norway and the monthly figures from ten years of ERA5 reanalysis, 2016–2025. Sea temperatures are satellite measurements plus the state bathing-water monitoring where a station is close enough.