Climate guide for Turku, Finland

Turku in May

Weather, crowds & best time to visit

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May · Finland

Best time to visit Turku in May Weather, crowds & prices

Weather in Turku in May

Average temperature 10°C, 26 mm of rain, about 26 days with 6+ hours of sunshine and 75% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

8.9/10

Ranked #2 of 12 months

Full year for Turku
Avg temp
10°C
Rainfall
26 mm
Humidity
75%
Days with 6h+ sun
26
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

May in Turku scores 8.9/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 10°C, 26 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.

Turku, Finland's oldest city, lines the Aura river with a medieval castle, a cathedral and ferries to the archipelago.

May in Turku — one of the year's strongest windows (2nd)

Expect 10°C (51°F) in May. A good month for city streets, viewpoints and long meals; leave swimming for another season.

With around 26 mm of rain, any showers tend to pass through rather than settle in; about 26 days with 6+ hours of sunshine and 16.9 hours of daylight fill the rest.

On our climate-comfort scale this is one of the strongest months of the year for Turku at 8.9/10 (2nd of 12), just behind June at 9.4/10.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in.

Expect mid-season pricing, and crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Turku in May?
In May, Turku averages 10°C, 26 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 8.9/10.
Is May a good time to visit Turku?
May earns a 8.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Turku in May?
Expect about 26 mm of rain in May. Average humidity is 75% and there are about 26 days with 6+ hours of sunshine.

Curated in Turku

Tickets & experiences

Things to do in Turku

Turku, Finland. Live activities and tours from GetYourGuide, matched to this destination.