Weather
Weather in Santorini by month
The best time to visit is May–July and September–October, with average highs of 21–27°C and moderate rain. July is the warmest month (about 27°C by day) and January the coolest (13°C at night); January is the wettest (around 96 mm of rain) and July the driest.
Santorini weather by month
| Month | Jan | Feb | Mar | Apr | May★ | Jun★ | Jul★ | Aug | Sept★ | Oct★ | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High / Low (°C) | 15° 13° | 15° 13° | 16° 14° | 18° 15° | 21° 18° | 25° 22° | 27° 24° | 27° 24° | 25° 23° | 22° 20° | 19° 17° | 16° 14° |
| Rain (mm) | 96 | 81 | 44 | 26 | 19 | 5 | 2 | 2 | 18 | 44 | 64 | 87 |
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER
Santorini month by month
January
15°/ 13°Cool
96 mm · wetPack: Jacket and a sweater · umbrella
Good trips this month
Cool and wet: around 15°C by day and 13°C at night, with about 96 mm of rain.
February
15°/ 13°Cool
81 mm · some rainPack: Jacket and a sweater · umbrella
Good trips this month
Cool and some rain: around 15°C by day and 13°C at night, with about 81 mm of rain.
March
16°/ 14°Cool
44 mm · some rainPack: Jacket and a sweater · umbrella
Good trips this month
Cool and some rain: around 16°C by day and 14°C at night, with about 44 mm of rain.
April
18°/ 15°Mild
26 mm · fairly dryPack: Light layers and a light jacket
Good trips this month
Mild and fairly dry: around 18°C by day and 15°C at night, with about 26 mm of rain.
- ★ Best time
May
21°/ 18°Mild
19 mm · dryPack: Light layers and a light jacket
Good trips this month
Mild and dry: around 21°C by day and 18°C at night, with about 19 mm of rain.
- ★ Best time
June
25°/ 22°Warm
5 mm · dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and dry: around 25°C by day and 22°C at night, with about 5 mm of rain.
- ★ Best time
July
27°/ 24°Warm
2 mm · dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and dry: around 27°C by day and 24°C at night, with about 2 mm of rain.
August
27°/ 24°Warm
2 mm · dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and dry: around 27°C by day and 24°C at night, with about 2 mm of rain.
- ★ Best time
September
25°/ 23°Warm
18 mm · dryPack: T-shirts, plus a layer for evenings
Good trips this month
Warm and dry: around 25°C by day and 23°C at night, with about 18 mm of rain.
- ★ Best timeThis month
October
22°/ 20°Mild
44 mm · some rainPack: Light layers and a light jacket · umbrella
Good trips this month
Mild and some rain: around 22°C by day and 20°C at night, with about 44 mm of rain.
November
19°/ 17°Mild
64 mm · some rainPack: Light layers and a light jacket · umbrella
Good trips this month
Mild and some rain: around 19°C by day and 17°C at night, with about 64 mm of rain.
December
16°/ 14°Cool
87 mm · some rainPack: Jacket and a sweater · umbrella
Good trips this month
Cool and some rain: around 16°C by day and 14°C at night, with about 87 mm of rain.
Weather questions about Santorini
Quick answers
When is the best time to visit Santorini?
What's the weather like in Santorini in October?
Mild and some rain: around 22°C by day and 20°C at night, with about 44 mm of rain. Pack: Light layers and a light jacket, umbrella. October is one of the best months to visit.
When is the best time for sightseeing in Santorini?
February–May and October–December: that's when the weather suits it best — warm enough and mostly dry.
When is the best time for boat trips in Santorini?
June–September: that's when the weather suits it best — warm enough and mostly dry.
What is the warmest month in Santorini?
July: average highs of about 27°C and lows of 24°C.
Which month has the most rain in Santorini?
How cold does Santorini get?
In January, the coolest month, days average 15°C and nights 13°C. Frost is rare.
Average daily high and low (°C) and monthly rainfall (mm) · Forecast: MET Norway (yr.no) · Climate averages: NASA POWER · Santorini Trips