Weather in Mariehamn for October 2025
In general, the average temperature in Mariehamn at the beginning of October is 12.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 7.3 °C by the end of October.
Mariehamn experiences an exceptionally high level of rainfall in October, with more than 20 rainy days on average.
With an average of 2 snowy days, Mariehamn enjoys a light touch of snow in October.
Is October a good time to visit Mariehamn? check out the best time to travel to Mariehamn page.
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Mariehamn in October average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  13° | 2  13° | 3 12° | 4 13° | 5 12° | ||
| 6 13° | 7 12° | 8 11° | 9 11° | 10 12° | 11 13° | 12 11° |
| 13  11° | 14  12° | 15 9° | 16 9° | 17 9° | 18 9° | 19  8° |
| 20 8° | 21 9° | 22 10° | 23 9° | 24 8° | 25 8° | 26 7° |
| 27  7° | 28  6° | 29 7° | 30  7° | 31 9° |
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Temperatures trend during October in Mariehamn
October weather day by day
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Oct. | Partly cloudy | 13° /11° | 0.1 mm | 0 cm | |
| 2 Oct. | Patchy rain possible | 13° /10° | 0.3 mm | 0 cm | |
| 3 Oct. | Patchy rain possible | 12° /11° | 0.9 mm | 0 cm | |
| 4 Oct. | Light rain shower | 13° /10° | 5.9 mm | 0 cm | |
| 5 Oct. | Patchy rain possible | 12° /9° | 0.1 mm | 0 cm | |
| 6 Oct. | Light rain shower | 13° /9° | 7.7 mm | 0 cm | |
| 7 Oct. | Light rain shower | 12° /8° | 2.9 mm | 0 cm | |
| 8 Oct. | Patchy rain possible | 11° /9° | 2.1 mm | 0 cm | |
| 9 Oct. | Patchy rain possible | 11° /9° | 16.2 mm | 0 cm | |
| 10 Oct. | Patchy rain possible | 12° /10° | 16.7 mm | 0 cm | |
| 11 Oct. | Patchy rain possible | 13° /8° | 3.7 mm | 0 cm | |
| 12 Oct. | Patchy rain possible | 11° /8° | 1 mm | 0 cm | |
| 13 Oct. | Overcast | 11° /9° | 5.5 mm | 0 cm | |
| 14 Oct. | Light drizzle | 12° /8° | 1 mm | 0 cm | |
| 15 Oct. | Light drizzle | 9° /6° | 0.5 mm | 0 cm | |
| 16 Oct. | Patchy rain possible | 9° /6° | 0 mm | 0 cm | |
| 17 Oct. | Patchy rain possible | 9° /8° | 0.1 mm | 0 cm | |
| 18 Oct. | Light rain shower | 9° /8° | 1.1 mm | 0 cm | |
| 19 Oct. | Blizzard | 8° /7° | 0.8 mm | 0 cm | |
| 20 Oct. | Patchy rain possible | 8° /7° | 0.3 mm | 0 cm | |
| 21 Oct. | Patchy rain possible | 9° /7° | 1 mm | 0 cm | |
| 22 Oct. | Light rain shower | 10° /7° | 0.9 mm | 0 cm | |
| 23 Oct. | Patchy rain possible | 9° /6° | 0.1 mm | 0 cm | |
| 24 Oct. | Patchy rain possible | 8° /6° | 0.1 mm | 0 cm | |
| 25 Oct. | Patchy rain possible | 8° /7° | 0.3 mm | 0 cm | |
| 26 Oct. | Patchy rain possible | 7° /6° | 0.4 mm | 0 cm | |
| 27 Oct. | Moderate or heavy snow showers | 7° /6° | 3.6 mm | 0.8 cm | |
| 28 Oct. | Light snow showers | 6° /4° | 0.2 mm | 0.2 cm | |
| 29 Oct. | Overcast | 7° /4° | 1 mm | 0 cm | |
| 30 Oct. | Light sleet showers | 7° /5° | 1.8 mm | 0 cm | |
| 31 Oct. | Light rain shower | 9° /5° | 8.1 mm | 0 cm | |
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Guide for Mariehamn in October
In October, Mariehamn, Aland Islands experiences a transition from the mild autumn weather to the onset of the colder winter season. At the beginning of the month, the weather in Mariehamn is typically characterized by cool temperatures and increasing cloud cover.
The average temperature at the start of October is around 10°, with occasional rainfall and moderate winds. As the month progresses, the temperatures gradually decrease, and by the end of October, the average temperature drops to around 6°.
The days become noticeably shorter, with fewer hours of daylight, and the likelihood of fog and mist increases.
The weather in Mariehamn during October is influenced by its coastal location, resulting in a maritime climate with relatively stable but cool conditions.
Travelers visiting Mariehamn in October should be prepared for the changing weather patterns and pack accordingly with layers and waterproof clothing.
Despite the cooler temperatures, the natural beauty of the Aland Islands is still evident, making it a picturesque destination for those who appreciate the charm of autumnal landscapes.
Mariehamn in October - FAQ
What to pack to Mariehamn in October?
As you prepare for your trip to Mariehamn in October, 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 October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
October rainfall patterns in Mariehamn
October snowfall in Mariehamn
Quick links
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.