Herceg Novi climate — normals and trends
Herceg Novi (Montenegro) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 1,604 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is August (22.0 °C on average) and the coldest is January (4.8 °C). Rainfall peaks in November.
Herceg Novi averages 17 frost days, 3 hot days (≥ 30 °C) and 131 rainy days per year.
Herceg Novi has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 28 to 6 per year over the period.
The hottest day of the period reached 34.3 °C (on 24 August 2007) and the coldest -15.2 °C (on 30 December 1941).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
Herceg NoviHerceg Novi
- coords
- 42.45°, 18.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.1°C
Average daily high
16.2°C
Average daily low
10.3°C
Annual rainfall
1,604mm
Sunshine / day
9.7h
Mean relative humidity
73%
Average peak wind
13.6km/h
Seasonal range
17.2°C
Frost days (< 0 °C)
17 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
131 d/yr
Annual snowfall
27.2 cm
Average feels-like high
15.5 °C
Average feels-like low
8.4 °C
Average peak gust
33.7 km/h
Tropical nights (≥ 20 °C)
19 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.56 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.3 °C
24 August 2007
Coldest day
-15.2 °C
30 December 1941
Wettest day
140 mm
16 September 1972
Windiest day
51.0 km/h
13 December 1957
Strongest gust
137.5 km/h
13 December 1957
Hottest feels-like
37.8 °C
13 July 2024
Coldest feels-like
-20.0 °C
30 December 1941
Snowiest day
15.4 cm
14 February 1994
Sunniest day
14.6 h
22 June 2025
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 10.6 °C | +3.2 °C | 147 mm | -12 mm |
| Feb | 10.1 °C | +1.6 °C | 105 mm | -59 mm |
| Mar | 13.4 °C | +2.4 °C | 310 mm | +161 mm |
| Apr | 16.1 °C | +1.7 °C | 72 mm | -66 mm |
| May | 19.0 °C | +0.4 °C | 93 mm | -9 mm |
| Jun | 27.0 °C | +4.6 °C | 7 mm | -56 mm |
| Jul | 28.0 °C | +2.7 °C | 51 mm | +14 mm |
| Aug | 27.4 °C | +1.7 °C | 81 mm | +32 mm |
| Sep | 24.1 °C | +2.0 °C | 156 mm | +46 mm |
| Oct | 16.7 °C | -0.9 °C | 101 mm | -80 mm |
| Nov | 14.0 °C | +1.2 °C | 334 mm | +78 mm |
| Dec | 11.3 °C | +2.4 °C | 58 mm | -141 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Herceg Novi?
Herceg Novi has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 1,604 mm of precipitation per year.
What is the hottest day ever recorded in Herceg Novi?
The hottest day measured in Herceg Novi between 1940 and 2025 was 24 August 2007, reaching 34.3 °C.
What is the coldest day in Herceg Novi?
The coldest day measured in Herceg Novi between 1940 and 2025 was 30 December 1941, at -15.2 °C.
Does it snow in Herceg Novi?
Yes. Herceg Novi gets on average 27.2 cm of snow per year and has around 17 frost days.
Has the climate of Herceg Novi warmed?
Yes: Herceg Novi warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Herceg Novi?
The wettest day measured in Herceg Novi between 1940 and 2025 was 16 September 1972, with 140 mm of rain in 24 hours.
What was the windiest day in Herceg Novi?
The windiest day measured in Herceg Novi between 1940 and 2025 was 13 December 1957, with winds reaching 51.0 km/h.
What is the warmest month in Herceg Novi?
The warmest month in Herceg Novi is August (22.0 °C on average); the coldest is January (4.8 °C).
How much does it rain in Herceg Novi?
Herceg Novi receives on average 1,604 mm of precipitation per year, spread over about 131 rainy days.
Is it sunny in Herceg Novi?
Herceg Novi gets on average 9.7 hours of sunshine per day, roughly 3,540 hours per year over 1940-2025.
What is the biggest single-day snowfall in Herceg Novi?
The heaviest 24-hour snowfall measured in Herceg Novi between 1940 and 2025 was 14 February 1994, with 15.4 cm.
Are there tropical nights in Herceg Novi?
Yes: Herceg Novi has on average 19 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Herceg Novi?
In Herceg Novi, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 13 July 2024, and the lowest was -20.0 °C on 30 December 1941.
Compare Herceg Novi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Herceg Novi