Best Time to Visit
🇬🇷 Santorini, Greece · Europe
Based on 30-year climate data (1991-2020) from Open-Meteo
Jan
13°
11°
Good
Feb
14°
11°
Good
Mar
15°
12°
Great
Apr
17°
14°
Great
May
21°
17°
Great
Jun
24°
21°
Great
Jul
26°
23°
Great
Aug
27°
24°
Great
Sep
25°
22°
Great
Oct
22°
18°
Great
Nov
18°
15°
Great
Dec
15°
12°
Good
| Month | High | Low | Rain Days | Sunshine | Humidity | UV | Rating | Details |
|---|---|---|---|---|---|---|---|---|
| January | 13°C | 11°C | 10 | 8h | 65% | 2 | Good | View |
| February | 14°C | 11°C | 9 | 9h | 65% | 2 | Good | View |
| MarchRecommended | 15°C | 12°C | 7 | 10h | 65% | 6 | Great | View |
| AprilRecommended | 17°C | 14°C | 4 | 12h | 65% | 6 | Great | View |
| MayRecommended | 21°C | 17°C | 2 | 13h | 65% | 9 | Great | View |
| JuneRecommended | 24°C | 21°C | 1 | 14h | 65% | 9 | Great | View |
| JulyRecommended | 26°C | 23°C | 0 | 13h | 65% | 9 | Great | View |
| AugustRecommended | 27°C | 24°C | 0 | 13h | 65% | 9 | Great | View |
| SeptemberRecommended | 25°C | 22°C | 1 | 12h | 65% | 6 | Great | View |
| OctoberRecommended | 22°C | 18°C | 4 | 10h | 65% | 6 | Great | View |
| NovemberRecommended | 18°C | 15°C | 6 | 9h | 65% | 2 | Great | View |
| December | 15°C | 12°C | 9 | 8h | 65% | 2 | Good | View |
Data source: Open-Meteo ERA5 reanalysis archive, 30-year historical normals (1991-2020). Temperatures in Celsius. Sunshine hours are daily averages.
Avg: 18°C high, 14°C low
Mild conditions at 18°C (64°F), layers recommended. Rainfall is low. Nights cool to 14°C (57°F).
Avg: 26°C high, 23°C low
Comfortable warmth at 26°C (79°F), ideal for outdoor activities. Rainfall is low. Nights cool to 23°C (73°F).
Avg: 22°C high, 18°C low
Comfortable warmth at 22°C (72°F), ideal for outdoor activities. Rainfall is low. Nights cool to 18°C (64°F).
Avg: 14°C high, 11°C low
Mild conditions at 14°C (57°F), layers recommended. Occasional showers possible. Nights cool to 11°C (52°F).
The least favorable time to visit Santorini is January and February. During this period, you can expect less favorable weather conditions.
January
Challenges: less favorable weather conditions
February
Challenges: less favorable weather conditions
December
Challenges: less favorable weather conditions
Note: visiting during off-peak months often means lower prices, fewer crowds, and a more authentic experience.
Packing recommendations for visiting Santorini during the best travel months (April, May, June), when temperatures range from 17°C to 21°C:
Santorini has a Mediterranean climate (Koppen classification: Csa). The warmest month is August with highs of 27°C, while the coldest month is January at just 13°C. Annual rainfall averages 302mm across approximately 53 rain days.
| Metric | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °C | 13 | 14 | 15 | 17 | 21 | 24 | 26 | 27 | 25 | 22 | 18 | 15 |
| Low °C | 11 | 11 | 12 | 14 | 17 | 21 | 23 | 24 | 22 | 18 | 15 | 12 |
| Rain Days | 10 | 9 | 7 | 4 | 2 | 1 | 0 | 0 | 1 | 4 | 6 | 9 |
| Rain mm | 60 | 58 | 39 | 16 | 10 | 1 | 0 | 0 | 5 | 24 | 35 | 54 |
| Sun h/day | 8 | 9 | 10 | 12 | 13 | 14 | 13 | 13 | 12 | 10 | 9 | 8 |
| Humidity % | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 | 65 |
| UV Index | 2 | 2 | 6 | 6 | 9 | 9 | 9 | 9 | 6 | 6 | 2 | 2 |
Considering alternatives to Santorini? Compare the best travel months for nearby cities:
For a complete day-by-day weather breakdown including packing lists, activities, and local events, explore each month individually:
January
February
March
April
May
June
July
August
September
October
November
December
Explore weather guides for other popular destinations: