Mariehamn
August
Weather in Mariehamn for August 2025
Your guide to Mariehamn weather in August - trends and predictions
In general, the average temperature in Mariehamn at the beginning of August is 18.1 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 16.9 °C by the end of August.
Mariehamn in August brings notable rainfall, with an average of 19 rainy days and a total precipitation of 99.1 mm.
Temperatures
Rain 🌧️
12
Dry days
19
Rainy days
0
Snow days
17°/16°
Temperatures
31 km/h
Avg max wind
83 %
Avg humidity
Mariehamn Weather August
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Temperatures trend during August in Mariehamn
See the weather trend as well as the moving average line
August weather in Mariehamn day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. |  Patchy rain possible | 17° /15° | 3.8 mm | 4 | |
| 2 Aug. |  Moderate rain at times | 17° /16° | 6.5 mm | 4 | |
| 3 Aug. | Moderate or heavy rain shower | 18° /16° | 5 mm | 4 | |
| 4 Aug. | Patchy rain possible | 18° /16° | 0.6 mm | 5 | |
| 5 Aug. | Patchy rain possible | 18° /16° | 0.5 mm | 4 | |
| 6 Aug. | Moderate or heavy rain shower | 19° /16° | 8.5 mm | 5 | |
| 7 Aug. | Moderate or heavy rain shower | 20° /17° | 10.2 mm | 5 | |
| 8 Aug. | Moderate or heavy rain shower | 18° /16° | 4.8 mm | 5 | |
| 9 Aug. | Patchy rain possible | 17° /16° | 1.7 mm | 4 | |
| 10 Aug. | Moderate rain at times | 17° /15° | 8.7 mm | 4 | |
| 11 Aug. | Moderate or heavy rain shower | 17° /14° | 3.9 mm | 4 | |
| 12 Aug. |  Cloudy | 17° /14° | 0.5 mm | 4 | |
| 13 Aug. |  Heavy rain at times | 18° /16° | 1.8 mm | 4 | |
| 14 Aug. | Cloudy | 18° /16° | 0 mm | 4 | |
| 15 Aug. |  Partly cloudy | 18° /16° | 1.5 mm | 5 | |
| 16 Aug. |  Overcast | 18° /16° | 6.2 mm | 4 | |
| 17 Aug. |  Sunny | 18° /15° | 0 mm | 5 | |
| 18 Aug. | Overcast | 17° /15° | 0.1 mm | 4 | |
| 19 Aug. | Patchy rain possible | 17° /15° | 0.4 mm | 4 | |
| 20 Aug. | Cloudy | 17° /15° | 0.3 mm | 5 | |
| 21 Aug. | Patchy rain possible | 18° /16° | 6.4 mm | 4 | |
| 22 Aug. | Patchy rain possible | 17° /14° | 2 mm | 4 | |
| 23 Aug. | Partly cloudy | 18° /15° | 0.8 mm | 5 | |
| 24 Aug. | Heavy rain at times | 18° /15° | 2.3 mm | 4 | |
| 25 Aug. | Patchy rain possible | 18° /16° | 0.5 mm | 4 | |
| 26 Aug. |  Light drizzle | 17° /15° | 0.9 mm | 5 | |
| 27 Aug. | Patchy rain possible | 17° /15° | 2.2 mm | 5 | |
| 28 Aug. | Light rain shower | 16° /15° | 9.6 mm | 4 | |
| 29 Aug. | Overcast | 17° /15° | 0 mm | 5 | |
| 30 Aug. | Light rain shower | 17° /15° | 7 mm | 4 | |
| 31 Aug. | Light rain shower | 16° /14° | 2.7 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Mariehamn 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 Mariehamn forecast closer to your planned date for the most up-to-date weather information.
Change Month
Mariehamn in August - FAQ
What are the expected maximum and minimum temperatures in Mariehamn during August?
During August, expect a variety of temperatures with highs around 17° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Mariehamn during August?
Moderate rainfall is anticipated in Mariehamn during August, with a total of 99.1 mm spread over approximately 19 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Mariehamn during August?
The average wind speed in Mariehamn during August is 31 km/h, suggesting breezy to windy conditions, depending on your activities.
August rainfall patterns in Mariehamn
Explore the daily rainfall trends and prepare for Mariehamns August weather 💧
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