Santorini · April
Low seasonGreece · Europe
Climate Overview
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ø day, range from coolest to warmest dayØ dayrange | 15° (59°)9– (48–)19 (66) | 16° (61°)9– (48–)19 (66) | 17° (63°)13– (55–)21 (70) | 20° (68°)16– (61–)24 (75) | 24° (75°)19– (66–)30 (86) | 28° (82°)24– (75–)33 (91) | 31° (88°)27– (81–)35 (95) | 31° (88°)27– (81–)34 (93) | 28° (82°)23– (73–)31 (88) | 24° (75°)19– (66–)28 (82) | 20° (68°)15– (59–)23 (73) | 17° (63°)11– (52–)20 (68) |
Ø night, range from coldest to warmest nightØ nightrange | 11° (52°)4– (39–)15 (59) | 11° (52°)6– (43–)15 (59) | 12° (54°)7– (45–)16 (61) | 14° (57°)10– (50–)17 (63) | 17° (63°)13– (55–)21 (70) | 22° (72°)17– (63–)25 (77) | 24° (75°)21– (70–)26 (79) | 25° (77°)22– (72–)26 (79) | 22° (72°)18– (64–)25 (77) | 18° (64°)14– (57–)23 (73) | 15° (59°)10– (50–)19 (66) | 12° (54°)6– (43–)17 (63) |
☀️Sunshine | 5h | 6h | 8h | 9h | 10h | 12h | 12h | 11h | 10h | 8h | 6h | 5h |
🌊Water Temp | 17° (63°) | 17° (63°) | 17° (63°) | 18° (64°) | 20° (68°) | 23° (73°) | 25° (77°) | 26° (79°) | 25° (77°) | 23° (73°) | 21° (70°) | 19° (66°) |
🌧Rain Days | 8d68mm (2.7") | 6d49mm (1.9") | 3d25mm (1.0") | 1d10mm (0.4") | 0d5mm (0.2") | 0d2mm (0.1") | 0d0mm (<0.1") | 0d0mm (0") | 0d3mm (0.1") | 1d12mm (0.5") | 4d31mm (1.2") | 7d58mm (2.3") |
Best travel time current monthØ = average · small figures = range: coolest–warmest day / coldest–warmest nightClimate data 2005–2025 · Source: ERA5 + station data
Off-season — lowest travel prices with still acceptable climate.
April in Santorini at 20°C (68°F) is too cool for a beach holiday, but suitable for sightseeing and hiking. The best travel months are June, July, August, and September.
Daytime highs average 20°C (68°F), cooling to 14°C (57°F) at night (daily average: 17°C (63°F)). Peaks reach around 24°C (75°F), the coldest nights around 10°C (50°F). With 9 sunshine hours per day, April is one of the sunniest months — 10 mm (0.4 in) of rain over 1 day. The sea is 18°C (64°F) — refreshing and manageable for confident swimmers.
A jacket for cool evenings should not be left behind. Sightseeing and excursions can be enjoyed comfortably at this time of year.
Spring and early summer: the Oia sunset draws 20 spectators instead of 2,000, and the volcanic pebble beaches of Kamari and Perissa warm up. The best time for the hiking trail between Fira and Oia.
Packing list for Santorini in April
- Long-sleeved shirts and light trousers
- Light jacket
- SPF 50 sunscreen
- Sunglasses
- Sun hat
- Travel first-aid kit
Frequently Asked Questions
- Is April a good time to visit Santorini?
- April is not an optimal month for Santorini (Score: 77/100), but it is manageable. For better conditions, consider June, July, August, and September.
- How warm is it in Santorini in April?
- In April, Santorini sees daily highs of 20°C (68°F). Nights cool to 14°C (57°F), with a daily average of 17°C (63°F). Peaks reach around 24°C (75°F), the coldest nights around 10°C (50°F).
- How much rain falls in Santorini in April?
- In April, Santorini receives an average of 10 mm (0.4 in) of rain over 1 rain day. That is comparatively dry.
- How many sunshine hours does Santorini get in April?
- Santorini averages 9 sunshine hours per day in April — above the annual average.
- How warm is the water in Santorini in April?
- Water temperature in Santorini in April averages 18°C (64°F) — refreshing but slightly cool for sensitive swimmers.
