April in Santorini averages highs of 18 °C (65 °F) and lows of 13 °C (56 °F), with about 1 rainy day and 13 h 05 min of daylight. The sea is cold, around 18 °C (64 °F).
April weather in Santorini at a glance
average high to low each dot ≈ 3 rainy days
Is April a good time to visit Santorini?
Great time to go: comfortably warm and fairly dry. April is usually low season in Santorini: rooms are typically easier to find and cheaper.
Our rule: a month scores 2 points for comfortable average highs of 18–28 °C (1 point for 14–18 or 28–32 °C) and 2 points for 5 or fewer rainy days (1 point for 6–10). Average highs above 35 °C or below 8 °C make it a tough month whatever the rain. A rainy day here means 2 mm of rain or more. 4 points = great, 3 = good, 2 = mixed, 0–1 = tough.
Holidays and events in April 2026
- Fri 10 Apr: Good Friday (Μεγάλη Παρασκευή) public holiday
- Sun 12 Apr: Easter Sunday (Κυριακή του Πάσχα) public holiday
- Mon 13 Apr: Easter Monday (Δευτέρα του Πάσχα) public holiday
Banks and many shops close on public holidays, and museums may change their hours, so check before you go.
Things to do in Santorini in April
April's weather suits a mix of outdoor sights and museums, so the open-air ones come first.
- Oia sunset — arrive an hour early outdoors
- Fira to Oia caldera walk — about 10 km, best in cool months outdoors
- Red Beach and Perissa — black and red volcanic sand outdoors
- Caldera boat trip — volcano and hot springs outdoors
- Akrotiri — Bronze Age town under ash indoors
- Wineries — Assyrtiko tastings indoors
Where to stay: Fira for transport and value; Oia or Imerovigli for caldera views; Kamari or Perissa for beaches.
What to pack for Santorini in April
- Layers and a light jacket: days around 18 °C (65 °F), nights near 13 °C (56 °F).
- Comfortable walking shoes.
What a day in Santorini costs
| Budget traveller | Mid-range | |
|---|---|---|
| Typical total per person, per day | €60–170 | €250–680 |
Excluding flights. April is usually low season in Santorini: rooms are typically easier to find and cheaper.
April in nearby cities
| City | High / low | Rainy days | Verdict |
|---|---|---|---|
| Athens | 20° / 11° | 3 | Great time to go |
| Istanbul | 17° / 8° | 7 | Mixed weather |
| Cairo | 30° / 15° | 0 | Good time to go |
Plan your Santorini trip
- Is Santorini Expensive? Real Costs and a 2026 Budget Guide
- How to Choose an AI Trip Planner in 2026 — 7 Things That Actually Matter
- Best Time to Visit Greece: Month-by-Month Guide 2026
Want the whole trip planned? Join the Journey waitlist: tell it where, when and your budget, and it plans every day hour by hour.
FAQ
Is April a good time to visit Santorini?
By the numbers, April is a great time to go: comfortably warm and fairly dry, with average highs of 18 °C (65 °F) and about 1 rainy day. April is usually low season in Santorini: rooms are typically easier to find and cheaper. The best months for weather are May, September, October.
How warm is Santorini in April?
Average highs are 18 °C (65 °F) and lows 13 °C (56 °F) (2015–2024 averages). The sea is cold, around 18 °C (64 °F).
Does it rain a lot in Santorini in April?
Expect about 1 days with 2 mm of rain or more, about 13 mm in total. It is the 5th driest month of the year in Santorini.
Sources: climate averages from Open-Meteo historical weather (ERA5 reanalysis, 2015–2024); sea temperatures from the Open-Meteo marine API (2023–2024); public holidays from Nager.Date. Daylight is calculated for the 15th of the month. Averages are a guide, not a forecast. Costs are typical ranges per person per day, excluding flights.