Oulu Weather in August

Oulu in August averages 19°C (66°F) during the day and 11°C (52°F) at night. This is part of the summer season, and quite a bit of rainfall is expected this month.

Rainfall in Oulu in August

Past climate data indicates that roughly 15 days will see rain, totalling around 77 mm (3 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Oulu in August

August in Oulu brings pleasant temperatures, with highs of 19°C (66°F) and nights around 11°C (52°F). The month of August belongs to the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Oulu in August

There are approximately 212 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Oulu in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in August

With water at 16°C (61°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If you prefer enjoying temperate temperatures and rain-free days, July typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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For a detailed overview over the year and the best time to visit Finland, check out our Oulu's climate page.

Oulu Temperature in August

Min Temperature 11°C (52°F)  

Max Temperature 19°C (66°F)  

Water Temperature 16°C (61°F)  

Chance of Rain 50%  

Precipitation 77 mm (3 in)  

Rainy days 15 days  

Humidity 77%  

Windspeed 3 m/s (6 knots)  

Sunshine 212 hours  

Percentage Sunshine 35%  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Oulu typically drop from around 20°C (68°F) at the start of August to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 13°C (55°F).

Average temperatures in August

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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

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Historical weather for Oulu in August

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

Historical weather Temperatures Precipitation

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Oulu historical weather extremes in August

The extremes listed below come from historical weather data collected in Oulu from 1976 through 2025.

• The warmest day in August was on August 8, 2023, with a maximum of 31°C (88°F).
• The lowest daytime temperature in August was 8°C (46°F), recorded on August 31, 1987.
• The coldest night in August in Oulu was on August 29, 1984, with a minimum of -1°C (30°F).

What to Wear in Oulu 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. Expect water temperatures of around 16°C (61°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Oulu 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

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Finland, check out our Oulu's climate page.

More climate data for Oulu

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Oulu climate overview or explore weather in Finland.