Helsinki Weather in May
Finland · 30-year monthly averages
👍 Good time to visit
May in Helsinki is mild, with average daytime highs around 15°C (58°F) and nighttime lows near 6°C (44°F). Expect roughly 38mm of precipitation spread over about 7 rainy days, with little rainfall.
Avg high
15°C
58°F
Avg low
6°C
44°F
Rainfall
38mm
dry
Rainy days
7
days with ≥1mm
🎒 What to pack
- light jacket
- layers for cool evenings
May vs the rest of the year
FAQ
- How hot is Helsinki in May?
- May in Helsinki is mild, with average daytime highs around 15°C (58°F) and nighttime lows near 6°C (44°F). Expect roughly 38mm of precipitation spread over about 7 rainy days, with little rainfall.
- Does it rain a lot in Helsinki in May?
- Helsinki sees around 38mm of precipitation in May on average — dry by global standards.
- Is May a good time to visit Helsinki?
- May is a good month to visit Helsinki, with generally agreeable conditions.