Finland
Turku in April: weather, sea & travel advice
This month's data profile
Clear transition month
Turku in April is climatically mixed. The average daily high is around 8 °C, and the sea is about 2 °C. With about 10 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
34/100 · #6
Warmth
#7
Dryness
#2
Sun
#5
Sea warmth
#9
Published best categories: none
Turku · AprilPhoto: Kotivalo · CC0Climate facts
- Average high
- 8 °C
- Average low
- 0 °C
- Sea
- 2 °C
- Rainy days (est.)
- 10 rainy days (est.)
- Sun (est.)
- 5 h/day
- Humidity
- 83 %
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 |
|---|---|---|---|---|---|---|---|---|---|
| March | 2 | -5 | 10 | 46 | 2.7 | 91 | 0.8 | 1 | 27 |
| April (selected) | 8 | -1 | 10 | 47 | 4.7 | 83 | 0.7 | 2 | 34 |
| May | 14 | 4 | 9 | 45 | 6.6 | 77 | 0.5 | 6 | 48 |
How do the previous and next months compare?
Baseline: April (34/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| March | -7 | -6.2 °C | -4.2 °C | +0.7 | -0.8 mm | -2 h | +8.6 % | +0.1 m/s | -1.6 °C |
| May | +14 | +6.2 °C | +4.6 °C | -0.8 | -2.3 mm | +1.9 h | -5.8 % | -0.2 m/s | +3.9 °C |
All twelve months in context
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Frequently asked questions
How warm is Turku in April?
The average daily high is around 8 °C, with an average daily low of about 0 °C.
Can you swim in Turku in April?
The sea is about 2 °C (cold).
Does it rain a lot in Turku in April?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 47 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. April is not among them.