April · Greece
Best time to visit Kalymnos in April Weather, crowds & prices
Weather in Kalymnos in April
Average temperature 17°C, 25 mm of rain, about 29 days with 6+ hours of sunshine and 67% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
April score
7.4/10
Ranked #7 of 12 months
- Avg temp
- 17°C
- Rainfall
- 25 mm
- Humidity
- 67%
- Days with 6h+ sun
- 29
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
April in Kalymnos scores 7.4/10 for beach and coastal travel - ranked #7 of 12. Expect around 17°C, 25 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Kalymnos is the Dodecanese island of sponge divers and limestone cliffs, now a major rock climbing spot.
April in Kalymnos — reliably good (7th best month)
Temperatures hover around 17°C (63°F) — the kind of month where neither heat nor cold forces the schedule.
With around 25 mm of rain, any showers tend to pass through rather than settle in; about 29 days with 6+ hours of sunshine and 13.2 hours of daylight fill the rest.
That is 7.4/10 on the same scale — 7th of 12 months, versus 10/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, June is materially better in Kalymnos — 2.6 points higher on the same scale.
Frequently asked
- What is the weather like in Kalymnos in April?
- In April, Kalymnos averages 17°C, 25 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 7.4/10.
- Is April a good time to visit Kalymnos?
- April earns a 7.4/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kalymnos in April?
- Expect about 25 mm of rain in April. Average humidity is 67% and there are about 29 days with 6+ hours of sunshine.
Curated in Kalymnos
Tickets & experiences
Things to do in Kalymnos
Kalymnos, Greece. Live activities and tours from GetYourGuide, matched to this destination.