April · Greece
Best time to visit Syros in April Weather, crowds & prices
Weather in Syros in April
Average temperature 17°C, 27 mm of rain, about 27 days with 6+ hours of sunshine and 77% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
9.6/10
Ranked #1 of 12 months
- Avg temp
- 17°C
- Rainfall
- 27 mm
- Humidity
- 77%
- Days with 6h+ sun
- 27
- Crowd Density
- Peak Tourist Rush
- Average Expenses
- $$$ · Peak Season Rates ($$$)
April in Syros scores 9.6/10 for sightseeing and cultural travel - the single best month of the year. Expect around 17°C, 27 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.
Syros is a Cycladic island whose capital, Ermoupoli, is a marble-built neoclassical port city of arcades.
April in Syros tops the year's climate scores
April averages 17°C (62°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Expect 27 mm of rain — occasional showers rather than washed-out days — alongside about 27 days with 6+ hours of sunshine and 13 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Syros at 9.6/10 — the reference point every other month on this page is measured against.
Pack layers you can shed by midday plus one warm layer for the evening.
Plan for peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Syros in April?
- In April, Syros averages 17°C, 27 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 9.6/10.
- Is April a good time to visit Syros?
- April earns a 9.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Syros in April?
- Expect about 27 mm of rain in April. Average humidity is 77% and there are about 27 days with 6+ hours of sunshine.
Curated in Syros
Tickets & experiences
Things to do in Syros
Syros, Greece. Live activities and tours from GetYourGuide, matched to this destination.