Santorini Weather Forecast
Santorini weather: 77°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Snow forecast for Santorini
No snow is in the current forecast window for Santorini.
0 of the next 16 nights are forecast to reach freezing.
Average monthly lows here stay above freezing all year, so lying snow is rare.
16-day forecast for Santorini
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☀️ Clear sky | 87° / 77° | 0% | 10 mph | 8 |
| Sun, Aug 23 | ☀️ Clear sky | 88° / 77° | 0% | 11 mph | 8 |
| Mon, Aug 24 | ☀️ Clear sky | 90° / 80° | 0% | 10 mph | 8 |
| Tue, Aug 25 | ☀️ Clear sky | 88° / 80° | 0% | 13 mph | 7 |
| Wed, Aug 26 | ☀️ Clear sky | 90° / 79° | 0% | 10 mph | 7 |
| Thu, Aug 27 | ☀️ Clear sky | 80° / 78° | 0% | 17 mph | 7 |
| Fri, Aug 28 | ☀️ Clear sky | 78° / 75° | 0% | 25 mph | 7 |
| Sat, Aug 29 | ☀️ Clear sky | 82° / 76° | 0% | 21 mph | 7 |
| Sun, Aug 30 | ☀️ Clear sky | 88° / 76° | 0% | 15 mph | 7 |
| Mon, Aug 31 | ☀️ Clear sky | 87° / 77° | 0% | 14 mph | 7 |
| Tue, Sep 1 | ☀️ Clear sky | 91° / 78° | 0% | 15 mph | 7 |
| Wed, Sep 2 | ☀️ Clear sky | 89° / 78° | 0% | 14 mph | 7 |
| Thu, Sep 3 | ☀️ Clear sky | 88° / 78° | 0% | 13 mph | 7 |
| Fri, Sep 4 | ☀️ Clear sky | 89° / 77° | 0% | 8 mph | 7 |
| Sat, Sep 5 | ☀️ Clear sky | 83° / 75° | 0% | 23 mph | 7 |
| Sun, Sep 6 | ☀️ 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).
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.
See the Santorini forecast by time range
Santorini weather - more answers
Explore Santorini
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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 77°F (25°C) with clear. Humidity is 68% and wind is 4 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 3:24 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 22, 2026 at 3:24 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
