- Save up to £175 on skiing holidays in winter 2024/2025
- £175 off bookings to Austria, France & Italy
- Othewise £100 discount. Depart Dec 2024-Apr 2025
Helsinki weather in August 2025
Expect 20°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Helsinki in August. Check more long-term weather averages for Helsinki in August before you book your next holiday to Finland in 2025/2026.
- 2020°C max day temperature
- 7 hours of sunshine per day
- 1616 days with some rainfall
- 1111°C min night temperature
- 1616 hours of daylight per day
- 0No heat & humidity
- 7777 mm of monthly rainfall
- 44 (Moderate) UV index
- 1616°C sea temperature
More about Helsinki
- Overview
- Best time to visit
- Weather by month
- 5-day weather forecast
- Destinations
- Travel advice
- Deals & discounts
Helsinki by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Finland
Expires at 23:59 on Thursday 31st Oct 2024 · View all Crystal Ski offers
The August weather guide for Finland (Helsinki) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in Helsinki in August?
Daytime temperatures usually reach 20°C in Helsinki in August, falling to 11°C at night.
How sunny is it in Helsinki in August?
There are normally 7 hours of bright sunshine each day in Helsinki in August - that's 42% of daylight hours.
How warm is the sea around Helsinki in August?
The average sea temperature around Helsinki in August is 16°C.
Does it rain in Helsinki in August?
There are usually 16 days with some rain in Helsinki in August and the average monthly rainfall is 77mm.
Helsinki August sunrise & sunset times
Browse the sunrise and sunset times for Helsinki in August 2025. Select a month to view Helsinki sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Friday, 1st August 2025 | 04:00 | 20:51 |
Saturday, 16th August 2025 | 04:36 | 20:11 |
Sunday, 31st August 2025 | 05:12 | 19:27 |
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holidays in the sun for less
- Beach holidays
- Family holidays
- City breaks
- Summer holidays
- Winter sun holidays
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- Airport parking deals
- TUI
- Jet2holidays
- easyJet holidays
- Love Holidays
- British Airways
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport