March · Greece
Best time to visit Kos Island in March Weather, crowds & prices
Weather in Kos Island in March
Average temperature 14°C, 66 mm of rain, about 19 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
March score
5.2/10
Ranked #8 of 12 months
- Avg temp
- 14°C
- Rainfall
- 66 mm
- Humidity
- 71%
- Days with 6h+ sun
- 19
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
March in Kos Island scores 5.2/10 for beach and coastal travel - ranked #8 of 12. Expect around 14°C, 66 mm of rain, and roughly 19 days with 6+ hours of sunshine this month.
Kos mixes sandy beaches and cycling paths with the ruins of Hippocrates' ancient healing centre.
March in Kos Island: mixed conditions, plan around the weather
Temperatures hover around 14°C (57°F) — the kind of month where neither heat nor cold forces the schedule.
Budget for roughly 66 mm of rain this month — a flexible day or two helps — with about 19 days with 6+ hours of sunshine and 11.7 hours of daylight to work around it.
That is 5.2/10 on the same scale — 8th 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, a packable rain layer.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, June is materially better in Kos Island — 4.8 points higher on the same scale.
Frequently asked
- What is the weather like in Kos Island in March?
- In March, Kos Island averages 14°C, 66 mm of rain, and about 19 days with 6+ hours of sunshine. Its climate-comfort score is 5.2/10.
- Is March a good time to visit Kos Island?
- March earns a 5.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kos Island in March?
- Expect about 66 mm of rain in March. Average humidity is 71% and there are about 19 days with 6+ hours of sunshine.
Curated in Kos Island
Tickets & experiences
Things to do in Kos Island
Kos Island, Greece. Live activities and tours from GetYourGuide, matched to this destination.