May · Estonia
Best time to visit Tallinn in May Weather, crowds & prices
Weather in Tallinn in May
Average temperature 11°C, 35 mm of rain, about 29 days with 6+ hours of sunshine and 63% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
9.2/10
Ranked #1 of 12 months
- Avg temp
- 11°C
- Rainfall
- 35 mm
- Humidity
- 63%
- Days with 6h+ sun
- 29
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
May in Tallinn scores 9.2/10 for sightseeing and cultural travel - the single best month of the year. Expect around 11°C, 35 mm of rain, and roughly 29 days with 6+ hours of sunshine this month.
Tallinn's medieval walls, towers and merchant houses make it the best-preserved Hanseatic capital.
May in Tallinn — the year's strongest window
May averages 11°C (52°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
Expect 35 mm of rain — occasional showers rather than washed-out days — alongside about 29 days with 6+ hours of sunshine and 17.1 daylight hours.
On our climate-comfort scale this is the top-ranked month of the year for Tallinn at 9.2/10 — the reference point every other month on this page is measured against.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.
Figure on 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 Tallinn in May?
- In May, Tallinn averages 11°C, 35 mm of rain, and about 29 days with 6+ hours of sunshine. Its climate-comfort score is 9.2/10.
- Is May a good time to visit Tallinn?
- May earns a 9.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Tallinn in May?
- Expect about 35 mm of rain in May. Average humidity is 63% and there are about 29 days with 6+ hours of sunshine.
Curated in Tallinn
Tickets & experiences
Things to do in Tallinn
Tallinn, Estonia. Live activities and tours from GetYourGuide, matched to this destination.