May · Romania
Best time to visit Iași in May Weather, crowds & prices
Weather in Iași in May
Average temperature 16°C, 51 mm of rain, about 28 days with 6+ hours of sunshine and 63% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
9.5/10
Ranked #2 of 12 months
- Avg temp
- 16°C
- Rainfall
- 51 mm
- Humidity
- 63%
- Days with 6h+ sun
- 28
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
May in Iași scores 9.5/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 16°C, 51 mm of rain, and roughly 28 days with 6+ hours of sunshine this month.
Iași was the capital of Moldavia, and its palaces, churches and university give Romania's east a cultured edge.
May in Iași — one of the year's strongest windows (2nd)
May averages 16°C (61°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Rainfall runs 51 mm, so plan one flexible day in three; you still get about 28 days with 6+ hours of sunshine and 14.9 hours of daylight.
A 9.5/10 puts this among the year's best months in Iași (2nd of 12); only June scores higher, at 9.7/10.
Pack layers you can shed by midday plus one warm layer for the evening, a packable rain layer.
Plan for peak pricing, with crowds are moderate. 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 Iași in May?
- In May, Iași averages 16°C, 51 mm of rain, and about 28 days with 6+ hours of sunshine. Its climate-comfort score is 9.5/10.
- Is May a good time to visit Iași?
- May earns a 9.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Iași in May?
- Expect about 51 mm of rain in May. Average humidity is 63% and there are about 28 days with 6+ hours of sunshine.
Curated in Iași
Tickets & experiences
Things to do in Iași
Iași, Romania. Live activities and tours from GetYourGuide, matched to this destination.