Ostrobothnia (Vaasa)
August
Weather in Ostrobothnia for August 2026
Your guide to Ostrobothnia weather in August - trends and predictions
In general, the average temperature in Ostrobothnia at the beginning of August is 19.7 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 17 °C by the end of August.
Ostrobothnia experiences heavy rainfall in August, with over 20 rainy days and an average total precipitation 123.7 mm.
Temperatures
Rain 🌧️
2
Dry days
29
Rainy days
0
Snow days
18°/13°
Temperatures
21 km/h
Avg max wind
79 %
Avg humidity
Ostrobothnia Weather August
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Temperatures trend during August in Ostrobothnia
See the weather trend as well as the moving average line
August weather in Ostrobothnia day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Moderate or heavy rain shower | 19° /13° | 5.1 mm | 4 | |
| 2 Aug. | Moderate or heavy rain shower | 19° /14° | 11.6 mm | 4 | |
| 3 Aug. | Moderate or heavy rain shower | 20° /13° | 4.1 mm | 5 | |
| 4 Aug. |  Light rain shower | 20° /14° | 7.1 mm | 4 | |
| 5 Aug. | Patchy rain possible | 19° /13° | 1.8 mm | 4 | |
| 6 Aug. | Patchy rain possible | 19° /12° | 1.2 mm | 5 | |
| 7 Aug. |  Heavy rain at times | 22° /13° | 2 mm | 5 | |
| 8 Aug. | Moderate or heavy rain shower | 21° /14° | 1.1 mm | 5 | |
| 9 Aug. |  Partly cloudy | 21° /13° | 1.2 mm | 5 | |
| 10 Aug. | Patchy rain possible | 19° /12° | 2.9 mm | 4 | |
| 11 Aug. | Moderate rain at times | 17° /12° | 4 mm | 4 | |
| 12 Aug. | Patchy rain possible | 18° /11° | 1.6 mm | 4 | |
| 13 Aug. | Moderate rain at times | 19° /14° | 1.4 mm | 4 | |
| 14 Aug. | Patchy rain possible | 21° /14° | 0 mm | 5 | |
| 15 Aug. | Patchy rain possible | 21° /13° | 2.7 mm | 5 | |
| 16 Aug. | Light rain shower | 17° /13° | 8.4 mm | 4 | |
| 17 Aug. | Partly cloudy | 18° /12° | 3.1 mm | 4 | |
| 18 Aug. | Partly cloudy | 19° /11° | 0 mm | 5 | |
| 19 Aug. |  Sunny | 18° /11° | 1.5 mm | 5 | |
| 20 Aug. |  Overcast | 18° /10° | 1.2 mm | 4 | |
| 21 Aug. | Moderate or heavy rain shower | 17° /11° | 1.4 mm | 4 | |
| 22 Aug. | Heavy rain at times | 16° /11° | 5.5 mm | 4 | |
| 23 Aug. | Moderate or heavy rain shower | 16° /11° | 4.6 mm | 4 | |
| 24 Aug. | Light rain shower | 15° /11° | 9.9 mm | 4 | |
| 25 Aug. | Light rain shower | 18° /12° | 7.3 mm | 4 | |
| 26 Aug. | Light rain shower | 17° /12° | 4.5 mm | 4 | |
| 27 Aug. |  Light rain | 15° /11° | 2.1 mm | 4 | |
| 28 Aug. | Light rain shower | 17° /11° | 6.4 mm | 4 | |
| 29 Aug. | Light rain shower | 19° /12° | 5.5 mm | 5 | |
| 30 Aug. |  Moderate rain | 18° /12° | 7.6 mm | 4 | |
| 31 Aug. | Light rain shower | 15° /12° | 6.7 mm | 4 | |
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Important Notice
Our weather forecast for Ostrobothnia in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Ostrobothnia forecast closer to your planned date for the most up-to-date weather information.
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Ostrobothnia in August - FAQ
What are the expected maximum and minimum temperatures in Ostrobothnia during August?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ostrobothnia during August?
Significant rainfall exceeding 123.7 mm is expected in Ostrobothnia during August, occurring over more than 29 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Ostrobothnia during August?
The average wind speed in Ostrobothnia during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Ostrobothnia
Explore the daily rainfall trends and prepare for Ostrobothnias August weather 💧
Typically, Ostrobothnia has 29 rainy days in August with a total of 123.7 mm of rainfall.
UV exposure in Ostrobothnia during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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