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Best time to visit Delphi: month by month
Short answer
April to June and September to October are best, with highs of about 17–27°C and spring wildflowers on the slopes. July and August are hot on the site (about 31–32°C), and winter is cold, with snow on Parnassos and ski weekends filling Arachova.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | 10°C | 3°C | 14 | low |
| Feb | 11°C | 3°C | 10 | low |
| Mar | 12°C | 3°C | 11 | medium |
| Apr | 17°C | 7°C | 9 | high |
| May | 23°C | 12°C | 11 | high |
| Jun | 27°C | 17°C | 12 | high |
| Jul | 32°C | 20°C | 2 | high |
| Aug | 31°C | 20°C | 6 | high |
| Sep | 25°C | 16°C | 7 | high |
| Oct | 20°C | 11°C | 7 | medium |
| Nov | 16°C | 8°C | 13 | low |
| Dec | 12°C | 5°C | 11 | low |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Mar–May)
Highs rise from about 12°C in March to 23°C in May, with 9–11 rainy days a month; green slopes and wildflowers.
Summer (Jun–Aug)
June is about 27°C; July and August reach about 31–32°C, drier but hot on the exposed site. Evenings are cooler than Athens.
Autumn (Sep–Nov)
September (about 25°C) and October (about 20°C) are excellent for the site and walks; November cools to about 16°C with more rain.
Winter (Dec–Feb)
Cold, with highs of about 10–12°C and lows near 3°C; the site is open with shorter hours, and the Parnassos ski season runs roughly December to March.
Events worth planning around
- Clean Monday flour war (Alevromoutzouromata) in Galaxidi, the first day of Orthodox Lent (February or March)
- Greek Orthodox Easter (March, April or May)
- Parnassos ski season near Arachova (roughly December–March)
When to avoid
Midday in July and August is very hot on the site, and coach groups crowd it from late morning. Arachova's winter weekends are crowded and expensive.
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Common questions
What is the best month to visit Delphi?
May or October: highs of about 20–23°C, pleasant for the steep site.
Is Delphi open in winter?
Yes, the site is open year-round with shorter winter hours, roughly 8:30–15:30; check before going.
Is Delphi too hot in summer?
July and August average about 31–32°C; arrive at opening time and visit the museum in the hot hours.