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Best time to visit · Greece
On the climate data, the best time to visit Santorini is May – October, scoring up to 98/100 with highs around 79°F (26°C) and less than 0.1 in (3 mm) of rain in July. March & April and November are good shoulder-season months. The toughest months are December – February, mainly because of cloud cover.
Highs run from 57°F to 80°F across the year, and the yearly total is about 19.2 in (488 mm) of rain.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 57°F14°C | 57°F14°C | 59°F15°C | 63°F17°C | 69°F20°C | 76°F24°C | 79°F26°C | 80°F27°C | 76°F25°C | 71°F22°C | 65°F18°C | 60°F16°C |
| Avg low | 54°F12°C | 54°F12°C | 56°F13°C | 59°F15°C | 64°F18°C | 71°F22°C | 74°F23°C | 75°F24°C | 72°F22°C | 67°F20°C | 62°F17°C | 56°F14°C |
| Rain | 3.8 in96 mm | 3.2 in81 mm | 1.7 in44 mm | 1.0 in26 mm | 0.7 in19 mm | 0.2 in5 mm | 0.1 in2 mm | 0.1 in2 mm | 0.7 in18 mm | 1.7 in44 mm | 2.5 in64 mm | 3.4 in87 mm |
| Humidity | 75% | 76% | 76% | 76% | 77% | 74% | 73% | 74% | 73% | 75% | 76% | 76% |
| Cloud | 61% | 60% | 51% | 45% | 34% | 16% | 9% | 8% | 19% | 36% | 51% | 61% |
| Comfort | 71 | 73 | 84 | 92 | 93 | 97 | 98 | 97 | 98 | 94 | 90 | 77 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 13 m (43 ft), close to Santorini's own ~93 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The cold peaks here: highs of 57–60°F (14–16°C), and nights reach 54°F (12°C). It's the wettest season, with about 10.4 in (264 mm) of rain, 54% of the year's total. Comfort scores bottom out in December – February; the season averages 74/100.
Temperatures climb through the season, from 59°F highs in March to 69°F by May. About 3.5 in (89 mm) of rain falls across these months, 18% of the year's total. Lows bottom out around 56°F (13°C). Comfort peaks here: May ranks with the year's best, and the season averages 90/100.
The warmest stretch of the year, with highs of 76–80°F (24–27°C). It's the driest season, with only about 0.4 in (9 mm) of rain, 2% of the year's total. Lows bottom out around 71°F (22°C). June – August are among the best-scoring months (season average 97/100).
Temperatures slide from 76°F highs in September to 65°F by November. About 5.0 in (126 mm) of rain falls across these months, 26% of the year's total. October feels humid, with humidity near 75%. Comfort peaks here: September & October rank with the year's best, and the season averages 94/100.
By comfort score: 10 Great and 2 Good. Great months: March – December. Tap a month for its own guide.
On the climate data, the best time to visit Santorini is May – October, scoring up to 98/100 with highs around 79°F (26°C) and less than 0.1 in (3 mm) of rain in July. March & April and November are good shoulder-season months. The toughest months are December – February, mainly because of cloud cover.
January is the wettest month, averaging about 3.8 in (96 mm) of rain. July is the driest, with less than 0.1 in (3 mm). The yearly total is around 19.2 in (488 mm).
January is the coldest, with average lows of 54°F (12°C) and highs of 57°F (14°C). The warmest is August, with average highs of 80°F (27°C).
Not very: summer (June – August) humidity averages 74%, and highs peak around 80°F (27°C), so it rarely feels sticky.
The wettest three-month stretch is December – February, with about 10.4 in (264 mm) of rain combined. The driest stretch is June – August, with about 0.4 in (9 mm).
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