Finland
Turku in June: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Turku in June is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 18 °C, and the sea is about 12 °C. With about 11 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
56/100 · #3
Warmth
#3
Dryness
#5
Sun
#1
Sea warmth
#4
Published best categories: City break, Active
Turku · JunePhoto: Kotivalo · CC0Climate facts
- Average high
- 18 °C
- Average low
- 9 °C
- Sea
- 12 °C
- Rainy days (est.)
- 11 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 77 %
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 | 14 | 4 | 9 | 45 | 6.6 | 77 | 0.5 | 6 | 48 |
| June (selected) | 18 | 9 | 11 | 66 | 7.0 | 77 | 0.5 | 12 | 56 |
| July | 22 | 13 | 13 | 64 | 6.5 | 77 | 0.5 | 16 | 62 |
How do the previous and next months compare?
Baseline: June (56/100)
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 | -8 | -4.2 °C | -5 °C | -2 | -21.3 mm | -0.4 h | -0.1 % | ±0 m/s | -5.4 °C |
| July | +6 | +3.2 °C | +3.5 °C | +2.3 | -1.7 mm | -0.5 h | +0.3 % | ±0 m/s | +4.6 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Turku in June?
The average daily high is around 18 °C, with an average daily low of about 9 °C.
Can you swim in Turku in June?
The sea is about 12 °C (cold).
Does it rain a lot in Turku in June?
The curated estimate is about 11 rainy days per month, not a directly measured long-term average. Total precipitation averages around 66 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Turku?
By the climate score, July and August are the strongest months for Turku. June is not among them.