Santorini Climate and Average Weather
Climate of Santorini: average temperatures, rainfall and seasons month by month.
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).
Recent extremes in Santorini
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Santorini compares with nearby places
Annual averages, and the difference against Santorini.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Mykonos | 73 mi | 67°F | 34°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 |
| Athens International Airport | 135 mi | 65°F | 36°F cooler | 19 in |
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 this means for Santorini
Today is cooler than average for October. The forecast high of 67°F is 7.7°F below the 75°F typical for this month.
A 88% chance means rain is expected over most of the area. Plan indoor alternatives.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 56°F.
What to pack, what to skip
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
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 66°F (19°C) in Santorini with overcast. It feels like 66°F. Today runs from 61°F to 67°F. Chance of precipitation is 88%. Sightseeing conditions score 7.3/10 - good conditions.
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 cooler than average for October. The forecast high of 67°F is 7.7°F below the 75°F typical for this month. The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best. fishing is the strongest bet in Santorini today at 9.2/10. Wet roads are likely; braking distances roughly double in heavy rain.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Santorini
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.
Explore Santorini
Every topic we hold for this place, and the same topic for the places around it.
Climate 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 66°F (19°C) with overcast. Humidity is 84% and wind is 8 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+02:00). The local time is 11:34 AM.
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 26, 2026 at 11:34 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
