Santorini Weather Forecast
Santorini weather: 68°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Santorini is a city in Greece. Santorini is known for Caldera villages and sunsets. It has a population of about 15.500.
Right now it is 68°F (20°C) in Santorini with overcast. It feels like 62°F. Today runs from 68°F to 72°F. Chance of precipitation is 15%. Sightseeing conditions score 8.6/10 - 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 cooler than average for October. The forecast high of 72°F is 2.7°F below the 75°F typical for this month. The best window to be outside is roughly 10 AM to 1 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in Santorini today at 8.6/10. Gusts to 38 mph will push high-sided vehicles on exposed roads and bridges.
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 8:09 PM, Oct 1 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 |
|---|---|---|---|---|---|
| Thu, Oct 1 | ☁️ Overcast | 72° / 68° | 15% | 20 mph | 6 |
| Fri, Oct 2 | ⛅ Partly cloudy | 71° / 66° | 10% | 22 mph | 6 |
| Sat, Oct 3 | ☁️ Overcast | 72° / 67° | 26% | 19 mph | 6 |
| Sun, Oct 4 | ☁️ Overcast | 73° / 68° | 25% | 15 mph | 6 |
| Mon, Oct 5 | ⛅ Partly cloudy | 72° / 67° | 20% | 10 mph | 6 |
| Tue, Oct 6 | ⛅ Partly cloudy | 70° / 67° | 2% | 13 mph | 6 |
| Wed, Oct 7 | ☁️ Overcast | 69° / 67° | 0% | 8 mph | 6 |
| Thu, Oct 8 | ☁️ Overcast | 72° / 65° | 3% | 10 mph | 5 |
| Fri, Oct 9 | ☀️ Clear sky | 75° / 64° | 4% | 6 mph | 6 |
| Sat, Oct 10 | ☁️ Overcast | 77° / 67° | 7% | 5 mph | 6 |
| Sun, Oct 11 | ☁️ Overcast | 76° / 67° | 9% | 8 mph | 4 |
| Mon, Oct 12 | ☀️ Clear sky | 77° / 66° | 16% | 10 mph | 5 |
| Tue, Oct 13 | ☁️ Overcast | 81° / 71° | 8% | 10 mph | 4 |
| Wed, Oct 14 | ☁️ Overcast | 80° / 71° | 12% | 9 mph | 5 |
| Thu, Oct 15 | 🌦️ Light drizzle | 71° / 68° | 19% · 0,0 in | 19 mph | 5 |
| Fri, Oct 16 | ☁️ Overcast | 70° / 69° | 7% | 23 mph | 5 |
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 | 87° | 77° | 0,1 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 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 68°F (20°C) with overcast. Humidity is 66% and wind is 19 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 8:09 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 Mykonos, Crete, Balos Lagoon, Elafonissi Beach, Acropolis, Athens and Acropolis of 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 October 1, 2026 at 8:09 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
