Hanko
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Hanko Weather in August

August in Hanko sees daytime temperatures around 20°C (68°F) and lows of 16°C (61°F) at night. With around 76 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Hanko in August

Climate statistics over the past 30 years suggest around 14 days of rain, with 76 mm (3 in) average for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Hanko in August

Hanko has excellent weather in August, with days reaching 20°C (68°F) and nights cooling to 16°C (61°F). During August, you'll experience the summer season. The difference between afternoon and evening temperatures is usually noticeable. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. On average, it sees the highest temps of the year.

If your ideal day consists of dry skies and pleasant temperatures, August typically offers the best circumstances for Hanko.

Hanko Temperature in August

Min Temperature
16°C (61°F)
Max Temperature
20°C (68°F)
Chance of Rain
46%
Precipitation
76 mm (3 in)
Rainy days
14 days

Hanko Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Hanko - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Hanko typically drop from around 20°C (68°F) at the start of August to approximately 17°C (63°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 16°C (61°F).

Average temperatures in August

Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in August

Historical weather records for Hanko in August

Browse day-by-day weather records for Hanko spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Hanko historical weather extremes in August

The extremes listed below come from historical weather data collected in Hanko from 1976 through 2026.

  • The warmest day in August was on August 2, 2018, with a maximum of 27°C (81°F).
  • The lowest daytime temperature in August was 11°C (52°F), recorded on August 9, 1987.
  • Hanko registered its coldest August night on August 26, 1984, with temperatures dropping to 7°C (45°F).

Best Places in Finland in August

Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Hanko in August

Pleasant temperatures in August mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days.

What To Do in Hanko in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    8/10
  • Outdoor sports
    9/10

Hanko 3-Day Forecast

More climate data for Hanko

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.