Santorini Weather Forecast
Santorini weather: 84°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Santorini weather in April
Weather map for Santorini
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Climate in Santorini month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 62° | 56° | 1,7 in | ★★★★☆ |
| February | 60° | 55° | 2,1 in | ★★★★☆ |
| March | 63° | 56° | 1,3 in | ★★★★☆ |
| April | 68° | 60° | 1,2 in | ★★★★★ |
| May | 74° | 64° | 0,6 in | ★★★★★ |
| June | 84° | 73° | 0,0 in | ★★★★★ |
| July | 87° | 76° | 0,1 in | ★★★★★ |
| August | 86° | 77° | 0,0 in | ★★★★★ |
| September | 82° | 74° | 0,3 in | ★★★★★ |
| October | 75° | 68° | 0,4 in | ★★★★★ |
| November | 69° | 63° | 0,8 in | ★★★★☆ |
| December | 63° | 57° | 2,4 in | ★★★★☆ |
Climate type: Semi-arid. Source: Open-Meteo archive (ERA5).
Best time to visit Santorini
Go in May, June, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
How Santorini compares with nearby places
Annual averages, and the difference against Santorini.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Santorini | 0 mi | 68°F | about the same | 11 in |
| Mykonos | 73 mi | 67°F | 33°F cooler | 16 in |
| Crete | 88 mi | 51°F | 50°F cooler | 36 in |
| Balos Lagoon | 119 mi | 67°F | 33°F cooler | 24 in |
| Elafonissi Beach | 133 mi | 69°F | about the same | 25 in |
See the Santorini forecast by time range
Santorini weather - more answers
Explore Santorini
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Santorini?
Santorini is a city in Greece. Its coordinates are 36.3932, 25.4615. It lies in Europe.
What is the weather like in Santorini right now?
It is currently 84°F (29°C) with clear sky. Humidity is 61% and wind is 7 mph.
When is the best time to visit Santorini?
May, June, July, August, September and October offer the most comfortable conditions in Santorini, which has a semi-arid climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Santorini in?
Santorini observes Europe/Athens (UTC+03:00). The local time is 2:16 PM.
How many people live in Santorini?
Santorini has a population of approximately 15.500.
What is the nearest airport to Santorini?
The closest airports are Athens International Airport (ATH), 135 mi away.
What are the top things to do in Santorini?
Popular options include Santorini, Mykonos, Crete, Balos Lagoon, Elafonissi Beach and Acropolis, Athens.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 22, 2026 at 2:16 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
