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Vantaa in August
The weather in August
In August, Vantaa averages daytime highs of 21° and night-time lows of 12° — mild weather by day. Expect around 86 mm of precipitation spread over about 13 wet days, with average cloud cover near 37%.
Days are 1.9° cooler than in July on average, and September is cooler again by about 5.4°. The sea averages 17°, bracing but swimmable.
August scores 67/100 — good conditions for sightseeing — and ranks 4th of the twelve months for Vantaa. For the most comfortable weather, consider May, June and July instead.
Around the middle of the month the sun rises at 05:33 and sets at 21:18 local time, giving 15 h 45 min of daylight. Days shorten by 158 minutes over the month.
Why 67/100?
How the score for August is builtBeach score this month: 25/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Around Vantaa this month
Finland's best in August
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Vantaa in August: quick answers
Is August a good time to visit Vantaa?
August scores 67/100 for Vantaa, which we rate as good. Average highs are 21°C with 13 wet days.
How warm is Vantaa in August?
Daytime highs average 21°C and night-time lows 12°C in August.
Does it rain a lot in Vantaa in August?
Vantaa receives about 86 mm of precipitation in August, falling on around 13 days.
Can you swim in Vantaa in August?
The sea averages 17°C in August, cold for most swimmers.