Finland
Helsinki in June: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Helsinki in June is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 16 °C, and the sea is about 12 °C. With about 10 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
49/100 · #3
Warmth
#3
Dryness
#3
Sun
#1
Sea warmth
#4
Published best categories: City break, Active
Helsinki · JunePhoto: Matti Mattila · CC BY 2.0Climate facts
- Average high
- 16 °C
- Average low
- 11 °C
- Sea
- 12 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 81 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| May | 11 | 6 | 8 | 47 | 6.5 | 81 | 2.4 | 6 | 42 |
| June (selected) | 16 | 11 | 10 | 61 | 6.9 | 81 | 2.5 | 12 | 49 |
| July | 19 | 15 | 10 | 55 | 6.5 | 81 | 2.7 | 16 | 61 |
How do the previous and next months compare?
Baseline: June (49/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| May | -7 | -5 °C | -5.6 °C | -2 | -14.1 mm | -0.4 h | ±0 % | -0.1 m/s | -5.4 °C |
| July | +12 | +3.6 °C | +3.8 °C | +0.4 | -6.2 mm | -0.4 h | ±0 % | +0.1 m/s | +4.6 °C |
All twelve months in context
Find a place to stay
Where to stay in Helsinki
Compare available stays, prices and cancellation terms for Helsinki on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Helsinki in June?
The average daily high is around 16 °C, with an average daily low of about 11 °C.
Can you swim in Helsinki in June?
The sea is about 12 °C (cold).
Does it rain a lot in Helsinki in June?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 61 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Helsinki?
By the climate score, July are the strongest months for Helsinki. June is not among them.