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Best time to visit Olympia: month by month
Short answer
April to June and September to October are the best months, with highs of about 19–30°C and, in spring, wild flowers between the ruins. July and August average about 34–35°C in the valley, so visit at 8:00. Winter is mild but wet, with shorter site hours.
Month by month
| Month | High | Low | Rainy days | Crowds |
|---|---|---|---|---|
| Jan | 14°C | 5°C | 15 | low |
| Feb | 15°C | 4°C | 7 | low |
| Mar | 15°C | 5°C | 13 | low |
| Apr | 19°C | 9°C | 11 | medium |
| May | 25°C | 13°C | 9 | high |
| Jun | 30°C | 17°C | 9 | high |
| Jul | 35°C | 21°C | 1 | high |
| Aug | 34°C | 21°C | 5 | very high |
| Sep | 29°C | 17°C | 5 | high |
| Oct | 24°C | 13°C | 7 | medium |
| Nov | 20°C | 11°C | 14 | low |
| Dec | 16°C | 7°C | 12 | low |
Temperatures and rainy days: Copernicus ERA5 averages, 2021–2023. Crowd levels are our estimate.
Season by season
Spring (Mar–May)
Cool in March (about 15°C) and pleasant in April (19°C) and May (25°C), with rain on 9–13 days a month and green countryside.
Summer (Jun–Aug)
Hot: about 30°C in June and 34–35°C in July and August, with lows of about 21°C and very little rain. Cruise groups fill the site from about 10:00.
Autumn (Sep–Nov)
September (29°C) and October (24°C) are warm and fairly dry; November cools to about 20°C and turns wet, with about 14 rainy days.
Winter (Dec–Feb)
Mild days of about 14–16°C and lows of 4–7°C, with frequent rain in December and January. The site has shorter hours and the village is very quiet.
Events worth planning around
- Orthodox Easter (spring, date varies)
- The lighting of the Olympic flame at the Temple of Hera, a few months before each Olympic Games (not annual; the site is often closed to normal visitors that day)
When to avoid
July and August middays are very hot and crowded on cruise days. Check before travelling on the day of a flame-lighting ceremony, when the site may be closed.
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Common questions
What is the best month to visit Olympia?
May or late September to October: highs of about 24–29°C, pleasant for walking around the site.
Is Olympia too hot in summer?
July and August average about 34–35°C. Enter the site at 8:00, before the cruise groups, and spend the afternoon in the museums.
Is Olympia open in winter?
Yes, with shorter hours (roughly 8:00 to 15:00 or 17:00). It is quiet, mild and often rainy.