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Herceg-Novi Weather in May
Herceg-Novi in May sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 13°C (55°F). Rainfall is fairly high at around 107 mm (4.2 in) on average, so pack waterproofs just in case.
Rainfall in Herceg-Novi in May
You can typically expect 11 days of rain this month, averaging around 107 mm (4.2 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Herceg-Novi in May
Daytime highs in Herceg-Novi in May reach 20°C (68°F), with nights around 13°C (55°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Herceg-Novi in May
Enjoy a sunny month with about 256 hours of sunshine, the clear skies make Herceg-Novi even more beautiful.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Herceg-Novi.
Herceg-Novi Temperature in May
Min Temperature
13°C (55°F)
Max Temperature
20°C (68°F)
Chance of Rain
36%
Precipitation
107 mm (4.2 in)
Rainy days
11 days
Humidity
73%
Sunshine
256 hours
Percentage Sunshine
Herceg-Novi Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Herceg-Novi - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Herceg-Novi typically rise from around 21°C (70°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 11°C (52°F) to 15°C (59°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Herceg-Novi in May
Browse day-by-day weather records for Herceg-Novi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Herceg-Novi historical weather extremes in May
According to our 50 years of weather records for Herceg-Novi, the following extremes were recorded between 1976 and 2026.
- On May 19, 1977, temperatures climbed to 32°C (90°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 12°C (54°F), recorded on May 7, 1987.
- Nighttime temperatures dropped to 5°C (41°F) on May 1, 1985, marking the coldest May night on record.
Best Places in Montenegro in May
Find out more about the weather in Montenegro and which places have the best travel conditions in this month. See all of Montenegro in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Herceg-Novi in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Herceg-Novi in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Herceg-Novi 3-Day Forecast
More climate data for Herceg-Novi
Temperature Rainfall Sunshine Humidity
See the full Herceg-Novi climate overview or explore weather in Montenegro.
Popular in May
Where to go in May - average daytime high across popular destinations.
Ulcinj
22°C (72°F) Bar22°C (72°F) Budva
21°C (70°F) Petrovac na Moru22°C (72°F) Herceg-Novi20°C (68°F) Tivat
21°C (70°F) Kotor21°C (70°F) Žabljak17°C (63°F) Bucket list
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