How warm is it in Dubrovnik in May?

Daytime highs averaged 20.1 °C, night-time lows 16.7 °C. The highest value of the past 10 years was 28.0 °C (28 May 2026), the lowest 10.0 °C (7 May 2019).

How often does it rain in Dubrovnik in May?

On average there were 11.0 rain days (at least 1 mm) with 84.9 mm of precipitation in total.

🇭🇷 Weather in Dubrovnik in May

This is what the weather in Dubrovnik (Dalmatia, Croatia) was like in May in 2017–2026.

Key facts at a glance

Prevailing weather: Partly cloudy

Avg. daytime high

20.1 °C

17.4 °C – 22.2 °C

Avg. night-time low

16.7 °C

14.6 °C – 19.2 °C

Avg. rain days in period

11.0

35 % of days · ≥ 1.0 mm

Avg. precipitation in period

84.9 mm

34.4 mm – 162 mm

Avg. cloud cover

51 %

This data source has no sunshine hours – average cloud cover shown instead.

Avg. sea temperature

–

Sea temperature unavailable for today (daily limit).

Extremes: Highest temperature 28.0 °C (28 May 2026) · Lowest temperature 10.0 °C (7 May 2019) · Avg. daily peak wind 20 km/h

Weather mix of all days

83Sunny
91Partly cloudy
26Cloudy
61Light rain
49Rain

Summary

On average 20.1 °C during the day and 16.7 °C at night.
On average 11.0 rain days (Rain day = at least 1.0 mm of precipitation) with 84.9 mm of precipitation in total.
Prevailing: Partly cloudy.
Warmest year: 2018 (avg. 22.2 °C), coolest: 2019 (avg. 17.4 °C).
Wettest year: 2019 (162 mm), driest: 2020 (34.4 mm).
Extremes: 28.0 °C on 28 May 2026 and 10.0 °C on 7 May 2019.

Overall values from all 10 years. How is this calculated?

Temperatures per year

Average over your travel period

Precipitation & rain days

Year by year

2026
Avg. max20.8°Avg. min16.3°
Rain days
4 Rain days
Precipitation
45.2 mm
Avg. cloud cover
42 % cloudy
Sea temperature
–
Max 28.0 °C · Min 11.2 °C
2025
Avg. max19.9°Avg. min16.4°
Rain days
14 Rain days
Precipitation
71.3 mm
Avg. cloud cover
47 % cloudy
Sea temperature
–
Max 23.3 °C · Min 12.3 °C
2024
Avg. max20.4°Avg. min17.6°
Rain days
16 Rain days
Precipitation
112 mm
Avg. cloud cover
59 % cloudy
Sea temperature
–
Max 22.7 °C · Min 14.3 °C
2023
Avg. max20.4°Avg. min17.2°
Rain days
14 Rain days
Precipitation
161 mm
Avg. cloud cover
60 % cloudy
Sea temperature
–
Max 24.2 °C · Min 14.7 °C
2022
Avg. max21.1°Avg. min17.7°
Rain days
8 Rain days
Precipitation
42.8 mm
Avg. cloud cover
38 % cloudy
Sea temperature
–
Max 25.8 °C · Min 14.0 °C
2021
Avg. max19.0°Avg. min15.8°
Rain days
7 Rain days
Precipitation
45.1 mm
Avg. cloud cover
47 % cloudy
Sea temperature
–
Max 22.1 °C · Min 13.4 °C
2020
Avg. max19.7°Avg. min15.6°
Rain days
6 Rain days
Precipitation
34.4 mm
Avg. cloud cover
57 % cloudy
Sea temperature
–
Max 25.7 °C · Min 11.4 °C
2019
Avg. max17.4°Avg. min14.6°
Rain days
19 Rain days
Precipitation
162 mm
Avg. cloud cover
67 % cloudy
Sea temperature
–
Max 19.7 °C · Min 10.0 °C
2018
Avg. max22.2°Avg. min19.2°
Rain days
15 Rain days
Precipitation
118 mm
Avg. cloud cover
52 % cloudy
Sea temperature
–
Max 25.5 °C · Min 15.3 °C
2017
Avg. max19.8°Avg. min16.3°
Rain days
7 Rain days
Precipitation
57.6 mm
Avg. cloud cover
43 % cloudy
Sea temperature
–
Max 24.0 °C · Min 12.9 °C

Frequently asked questions

How warm is it in Dubrovnik in May?: Daytime highs averaged 20.1 °C, night-time lows 16.7 °C. The highest value of the past 10 years was 28.0 °C (28 May 2026), the lowest 10.0 °C (7 May 2019).
How often does it rain in Dubrovnik in May?: On average there were 11.0 rain days (at least 1 mm) with 84.9 mm of precipitation in total.

Check your exact travel dates

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Data sources

Weather data: Data obtained from the NASA Langley Research Center (LaRC) POWER Project funded through the NASA Earth Science/Applied Science Program
Reanalysis (weather model constrained by observations) on a coarse grid of about 50 km. Values represent a large area and can differ from local conditions, especially on islands, coasts and in mountains. No sunshine duration.
Reanalysis (weather model constrained by observations)
Reanalysis values represent a grid cell (approx. 25–50 km) and may differ from local measurements on coasts, islands and in mountains.
Sea temperature: MUR SST data were provided by JPL under support by NASA MEaSUREs program; accessed via NOAA CoastWatch ERDDAP
Daily multi-scale ultra-high resolution (≈ 1 km) analysis of satellite measurements (infrared, microwave) and in-situ data. Represents the foundation temperature below the daily warm surface layer. (Satellite and in-situ analysis)
Place search: Natural Earth (public domain) · GeoNames (CC BY 4.0) / OpenStreetMap (ODbL)