Santorini Weather Forecast
Santorini weather: 79°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Santorini is an island in Greece. Santorini is an island known for white villages on a volcanic caldera.
Right now it is 79°F (26°C) in Santorini with clear. It feels like 87°F. Today runs from 78°F to 89°F. Chance of precipitation is 0%. Sightseeing conditions score 9.7/10 - excellent - go now.
The best time to visit Santorini is May, June, July, August, September and October. The climate is semi-arid. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 87°F, while February is the coldest with lows near 55°F.
The closest major airport is Athens International Airport (ATH), about 135 mi away. Nearby highlights include Mykonos, Crete, Balos Lagoon and Elafonissi Beach.
In plain terms. Today is slightly warmer than average for August. The forecast high of 89°F is 2.7°F above the 86°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. swimming is the strongest bet in Santorini today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Santorini
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Santorini right now
Source: Open-Meteo. Updated 10:55 AM, Aug 23 local time.
See the Santorini forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Santorini
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Aug 23 | ☀️ Clear sky | 89° / 78° | 0% | 10 mph | 8 |
| Mon, Aug 24 | ☀️ Clear sky | 90° / 81° | 0% | 8 mph | 8 |
| Tue, Aug 25 | ☀️ Clear sky | 89° / 81° | 0% | 14 mph | 7 |
| Wed, Aug 26 | ☀️ Clear sky | 89° / 79° | 0% | 8 mph | 7 |
| Thu, Aug 27 | ☀️ Clear sky | 86° / 78° | 0% | 19 mph | 7 |
| Fri, Aug 28 | 🌤️ Mainly clear | 79° / 76° | 0% | 29 mph | 7 |
| Sat, Aug 29 | ☀️ Clear sky | 80° / 77° | 0% | 22 mph | 7 |
| Sun, Aug 30 | ☀️ Clear sky | 86° / 76° | 0% | 10 mph | 7 |
| Mon, Aug 31 | ☀️ Clear sky | 92° / 79° | 0% | 12 mph | 7 |
| Tue, Sep 1 | ☀️ Clear sky | 88° / 79° | 0% | 17 mph | 7 |
| Wed, Sep 2 | ☀️ Clear sky | 89° / 78° | 0% | 16 mph | 7 |
| Thu, Sep 3 | ☀️ Clear sky | 88° / 78° | 0% | 12 mph | 7 |
| Fri, Sep 4 | ☀️ Clear sky | 89° / 76° | 0% | 12 mph | 7 |
| Sat, Sep 5 | ☀️ Clear sky | 83° / 76° | 0% | 19 mph | 7 |
| Sun, Sep 6 | ☀️ Clear sky | 77° / 75° | 2% | 22 mph | 7 |
| Mon, Sep 7 | ☀️ Clear sky | -- / -- | 0% | -- | — |
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).
Weather map for Santorini
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Santorini
Pollen today
Pollen is modelled for Europe only; other regions show no values.
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
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.
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 an island 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 79°F (26°C) with clear. Humidity is 84% and wind is 5 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 10:55 AM.
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 Mykonos, Crete, Balos Lagoon, Elafonissi Beach, Acropolis, Athens and Acropolis of Athens.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (islands) - 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 23, 2026 at 10:55 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
