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Weather in Mariehamn for August 2025

Your guide to Mariehamn weather in August - trends and predictions

    Temperatures

  • 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.

    • Rain 🌧️

  • Mariehamn in August brings notable rainfall, with an average of 19 rainy days and a total precipitation of 99.1 mm.

    • More

  • Is August a good time to visit Mariehamn? check out the best time to travel to Mariehamn page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
17°/16°
Temperatures
Average wind speed
31 km/h
Avg max wind
Average humidity
83 %
Avg humidity

Mariehamn in August average weather

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
17°
2
Moderate rain at times
17°
3
Moderate or heavy rain shower
18°
4
Patchy rain possible
18°
5
Patchy rain possible
18°
6
Moderate or heavy rain shower
19°
7
Moderate or heavy rain shower
20°
8
Moderate or heavy rain shower
18°
9
Patchy rain possible
17°
10
Moderate rain at times
17°
11
Moderate or heavy rain shower
17°
12
Cloudy
17°
13
Heavy rain at times
18°
14
Cloudy
18°
15
Partly cloudy
18°
16
Overcast
18°
17
Sunny
18°
18
Overcast
17°
19
Patchy rain possible
17°
20
Cloudy
17°
21
Patchy rain possible
18°
22
Patchy rain possible
17°
23
Partly cloudy
18°
24
Heavy rain at times
18°
25
Patchy rain possible
18°
26
Light drizzle
17°
27
Patchy rain possible
17°
28
Light rain shower
16°
29
Overcast
17°
30
Light rain shower
17°
31
Light rain shower
16°
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Temperatures trend during August in Mariehamn

See the weather trend as well as the moving average line
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August weather day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
 17° /15° 3.8 mm 4
2 Aug. Moderate rain at times
Moderate rain at times
 17° /16° 6.5 mm 4
3 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /16° 5 mm 4
4 Aug. Patchy rain possible
Patchy rain possible
 18° /16° 0.6 mm 5
5 Aug. Patchy rain possible
Patchy rain possible
 18° /16° 0.5 mm 4
6 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /16° 8.5 mm 5
7 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 20° /17° 10.2 mm 5
8 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /16° 4.8 mm 5
9 Aug. Patchy rain possible
Patchy rain possible
 17° /16° 1.7 mm 4
10 Aug. Moderate rain at times
Moderate rain at times
 17° /15° 8.7 mm 4
11 Aug. Moderate or heavy rain shower
Moderate or heavy rain shower
 17° /14° 3.9 mm 4
12 Aug. Cloudy
Cloudy
 17° /14° 0.5 mm 4
13 Aug. Heavy rain at times
Heavy rain at times
 18° /16° 1.8 mm 4
14 Aug. Cloudy
Cloudy
 18° /16° 0 mm 4
15 Aug. Partly cloudy
Partly cloudy
 18° /16° 1.5 mm 5
16 Aug. Overcast
Overcast
 18° /16° 6.2 mm 4
17 Aug. Sunny
Sunny
 18° /15° 0 mm 5
18 Aug. Overcast
Overcast
 17° /15° 0.1 mm 4
19 Aug. Patchy rain possible
Patchy rain possible
 17° /15° 0.4 mm 4
20 Aug. Cloudy
Cloudy
 17° /15° 0.3 mm 5
21 Aug. Patchy rain possible
Patchy rain possible
 18° /16° 6.4 mm 4
22 Aug. Patchy rain possible
Patchy rain possible
 17° /14° 2 mm 4
23 Aug. Partly cloudy
Partly cloudy
 18° /15° 0.8 mm 5
24 Aug. Heavy rain at times
Heavy rain at times
 18° /15° 2.3 mm 4
25 Aug. Patchy rain possible
Patchy rain possible
 18° /16° 0.5 mm 4
26 Aug. Light drizzle
Light drizzle
 17° /15° 0.9 mm 5
27 Aug. Patchy rain possible
Patchy rain possible
 17° /15° 2.2 mm 5
28 Aug. Light rain shower
Light rain shower
 16° /15° 9.6 mm 4
29 Aug. Overcast
Overcast
 17° /15° 0 mm 5
30 Aug. Light rain shower
Light rain shower
 17° /15° 7 mm 4
31 Aug. Light rain shower
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.

Guide for Mariehamn in August

In August, Mariehamn, Aland Islands experiences a mild and pleasant climate, making it an ideal time to visit this picturesque destination. At the beginning of the month, the weather in Mariehamn is typically warm with average temperatures around 18° during the day and 12° at night.

The days are long, providing ample daylight hours to explore the beautiful landscapes and coastal areas. Visitors can expect mostly clear skies and a gentle breeze, creating a comfortable outdoor environment for sightseeing and outdoor activities.

Towards the end of August, the weather in Mariehamn remains favorable for travelers. The temperatures tend to slightly decrease, with daytime averages around 16° and nighttime temperatures around 10°.

While there may be a slight increase in cloud cover, rainfall is generally minimal, allowing visitors to continue enjoying the outdoor attractions and cultural experiences that the Aland Islands have to offer.

Overall, August presents an excellent opportunity to visit Mariehamn and the Aland Islands, as the weather is generally pleasant and conducive to exploring the archipelago's natural beauty and charming towns.

Have you visited Mariehamn in August? Share your experience by writing a review.

Mariehamn in August - FAQ

Is August a good time to visit Mariehamn?
You can travel to Mariehamn in August, but there are probably better months doing so, read more about the best time to visit Mariehamn
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.

What to pack to Mariehamn in August?

As you prepare for your trip to Mariehamn in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Mariehamn, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Umbrellas/Raincoats: For rainy days

August rainfall patterns in Mariehamn

Explore the daily rainfall trends and prepare for Mariehamns August weather 💧

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Location coordinates Where is Mariehamn?

Get accurate weather forecasts for Mariehamn, located at latitude 60.097 and longitude 19.935. Stay updated with localized weather information tailored for Mariehamn.

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