Ii Weather in August
What's the weather like in Ii (Oulu) in August 2025?
The climate in Ii during August can be summarized as mild and reasonably dry.
August is in the summer in Ii and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 18°C (64°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 17.6°C 63.6°F |
|---|---|
| Nightly temperature | 9.1°C 48.3°F |
| Average temperature | 13.3°C 55.9°F |
| Daily sunshine | 7.6 hrs |
| Avg rainfall | 65 mm 2.6 ins |
| Rainy days | 15 days |
| Sea temperature | 13.6°C 56.4°F |
| Humidity | 77% |
| Windspeed | 12.6kph 8 mph |
On average August is the wettest month of the year in Ii with around 65mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.6 hours of sunshine per day.
August temperatures in Ii
August rainfall
August hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Ii in August 2025.
Other monthly averages
Best places to visit in August
Ii weather stats
| Hottest month: | July | 20°C 68°F |
|---|---|---|
| Driest month: | April | 24mm 0.9ins |
| Sunniest month: | June | 0hrs |
| Coldest month: | January | -7.9°C 17.8°F |
| Wettest month: | August | 65mm 2.6ins |
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