Plan your Adriatic Coast celebration with 30 years of historical weather data. Dubrovnik's Mediterranean climate delivers outstanding conditions in May, September, and October — with the walled Old City and Adriatic blue as a backdrop that rivals anywhere in Europe.
Based on 30 years of weather data, May, September, and October offer the ideal combination of comfort, low rain, and manageable crowds for outdoor events in Dubrovnik:
Historical averages based on 30 years of climate data (1995–2024) from Dubrovnik Airport weather station
| Month | Avg High | Avg Low | Rain Chance | Comfort Score | Event Rating |
|---|---|---|---|---|---|
| January | 55°F (13°C) | 45°F (7°C) | 36% | 0/100 | |
| February | 56°F (13°C) | 45°F (7°C) | 34% | 0/100 | |
| March | 60°F (16°C) | 49°F (9°C) | 32% | 0/100 | |
| April | 65°F (18°C) | 54°F (12°C) | 32% | 60/100 | |
| May | 73°F (23°C) | 62°F (17°C) | 28% | 98/100 | |
| June | 81°F (27°C) | 69°F (21°C) | 17% | 80/100 | |
| July | 86°F (30°C) | 73°F (23°C) | 11% | 45/100 | |
| August | 86°F (30°C) | 74°F (23°C) | 13% | 10/100 | |
| September | 79°F (26°C) | 67°F (19°C) | 23% | 94/100 | |
| October | 72°F (22°C) | 60°F (16°C) | 28% | 94/100 | |
| November | 64°F (18°C) | 54°F (12°C) | 41% | 55/100 | |
| December | 58°F (14°C) | 47°F (8°C) | 41% | 0/100 |
These statistics represent 30-year averages (1995–2024) from Dubrovnik Airport. The Comfort Score (0–100) reflects afternoon/evening conditions combining temperature and humidity. July and August are Dubrovnik's driest months (11–13% rain) but the heat-humidity combination drives comfort scores sharply lower — August reaches only 10/100 despite low rainfall. May, September, and October offer the ideal balance. Temperatures shown in °F with °C in parentheses.
May scores 98/100 comfort — the highest of any month in Dubrovnik — with temperatures of 73°F (23°C) and 28% rain probability. The Old City is far less crowded than summer, prices are lower, and the Adriatic is warm enough for swimming. For a Dubrovnik event that avoids peak tourist chaos, May is the standout choice.
Despite very low rain (11–13%), July and August are poor months for outdoor Dubrovnik events. Temperatures of 86°F (30°C) with high Adriatic humidity push comfort scores to just 10–45/100. The Old City also becomes intensely crowded with cruise tourists in summer. Plan evening-only events with shade and sea breeze if summer is unavoidable.
Both September (94/100, 79°F/26°C) and October (94/100, 72°F/22°C) deliver excellent conditions as summer heat releases. The Adriatic remains warm for swimming through September. October brings lower prices, thinner crowds, and a golden autumnal light across the limestone walls. Both months have similar rain probability (23–28%) — plan an indoor backup regardless.
Dubrovnik's walled Old City offers spectacular venue settings — the Rector's Palace courtyard, Fort Lovrijenac perched above the Adriatic, and private villa terraces along the Lapad peninsula. Outside the walls, island venues on Lokrum and Lopud offer exclusivity. Note that access logistics (boats, narrow streets, limited parking) require extra planning compared to other European destinations.
Explore hour-by-hour weather patterns, sunrise/sunset times, and comfort ratings for your specific event date in Dubrovnik.
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