Home › Symi › Best time to visit
Best time to visit Symi: month by month
Short answer
May, June, September and October are the best months, with warm sea and dry weather; the data shows average highs of about 21–27°C then. July and August are the hottest and busiest, with average highs of about 29°C and hot spells of 33–35°C when the harbour walls trap the heat.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | 16°C | 13°C | 15 | low |
| Feb | 15°C | 13°C | 6 | low |
| Mar | 15°C | 13°C | 10 | low |
| Apr | 18°C | 15°C | 4 | low |
| May | 21°C | 18°C | 3 | medium |
| Jun | 25°C | 22°C | 1 | high |
| Jul | 29°C | 25°C | 0 | very high |
| Aug | 28°C | 26°C | 1 | very high |
| Sep | 27°C | 24°C | 1 | high |
| Oct | 24°C | 21°C | 3 | medium |
| Nov | 21°C | 19°C | 12 | low |
| Dec | 18°C | 16°C | 12 | low |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Mar–May)
Average highs rise from about 15°C in March to 21°C in May, with 3–10 rainy days; good for walking.
Summer (Jun–Aug)
Dry, with average highs of about 25–29°C in the data and hot spells above 33°C; the Symi Festival brings concerts.
Autumn (Sep–Nov)
September (about 27°C) and October (about 24°C) are excellent, with warm sea; November brings about 12 rainy days.
Winter (Dec–Feb)
Mild, with average highs of about 15–18°C and 6–15 rainy days; many hotels close and ferries are fewer.
Events worth planning around
- Greek Orthodox Easter (March, April or May)
- Symi Festival concerts (summer)
- Feast of the Dormition, 15 August
- Feast of the Archangel at the Panormitis monastery (8 November)
When to avoid
August is the busiest month, with yachts filling the harbour and rooms booked up. From November to April many hotels close and ferries are fewer.
Some links on this page are partner links. If you book through them TonyPlan earns a small commission — the price you pay is exactly the same.
Common questions
What is the best month to visit Symi?
June or September: warm sea and fewer crowds than July–August.
Is Symi too hot in summer?
July and August can reach 33–35°C on hot days; plan walks for early morning and evening.
When is the Panormitis feast?
8 November, the feast of the Archangel Michael, when the monastery is very busy with pilgrims.