Finland
Helsinki in July: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Helsinki in July is climatically well suited to city breaks and active holidays and hiking. The average daily high is around 19 °C, and the sea is about 16 °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
61/100 · #1
Warmth
#1
Dryness
#5
Sun
#2
Sea warmth
#2
Published best categories: Overall, City break, Active
Helsinki · JulyPhoto: Matti Mattila · CC BY 2.0Climate facts
- Average high
- 19 °C
- Average low
- 15 °C
- Sea
- 16 °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 |
|---|---|---|---|---|---|---|---|---|---|
| June | 16 | 11 | 10 | 61 | 6.9 | 81 | 2.5 | 12 | 49 |
| July (selected) | 19 | 15 | 10 | 55 | 6.5 | 81 | 2.7 | 16 | 61 |
| August | 19 | 15 | 13 | 73 | 5.1 | 81 | 3.1 | 17 | 55 |
How do the previous and next months compare?
Baseline: July (61/100)
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 | |
|---|---|---|---|---|---|---|---|---|---|
| June | -12 | -3.6 °C | -3.8 °C | -0.4 | +6.2 mm | +0.4 h | ±0 % | -0.1 m/s | -4.6 °C |
| August | -6 | -0.3 °C | -0.1 °C | +2.7 | +17.7 mm | -1.4 h | -0.3 % | +0.5 m/s | +1 °C |
All twelve months in context
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Frequently asked questions
How warm is Helsinki in July?
The average daily high is around 19 °C, with an average daily low of about 15 °C.
Can you swim in Helsinki in July?
The sea is about 16 °C (cold).
Does it rain a lot in Helsinki in July?
The curated estimate is about 10 rainy days per month, not a directly measured long-term average. Total precipitation averages around 55 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. July is one of them.