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Weather in Mariehamn for October 2025

Your guide to Mariehamn weather in October - trends and predictions

    Official Weather Alert ⚠️

  • Wind Warning for Marine Areas - See hour by hour.

    • Snow Forecast ❄️

  • With an average of 2 snowy days, Mariehamn usually enjoys a light touch of snow in October.
    According to Mariehamn snow forecast for October 2025, no snow is expected in the next 2 weeks.

    • Temperatures

  • Until now, October 2025 in Mariehamn has been nearly identical to the historical average, with a temperature of 11.8 °C (showing only a slight deviation of -0.3 °C).

  • Expect cooler weather in the next days in Mariehamn with the forecast suggesting a temperature of 9.6 °C, lower than the historical average.

  • In general, the average temperature in Mariehamn at the beginning of October is 12.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.4 °C by the end of October.

    • Rain 🌧️

  • Mariehamn in October brings notable rainfall, with an average of 16 rainy days and a total precipitation of 84.2 mm.

Average dry days
13
Dry days
Average rainy days
16
Rainy days
Average snowy days
2
Snow days
Average temperatures
10°/8°
Temperatures
Average wind speed
40 km/h
Avg max wind
Average humidity
75 %
Avg humidity

Mariehamn Weather October

Move between months or click on a day
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
13°
2
Patchy rain possible
12°
3
Patchy rain possible
12°
4
Light rain shower
12°
5
Patchy rain possible
12°
6
Light rain shower
13°
7
Light rain shower
12°
8
Patchy rain possible
12°
9
Patchy rain possible
11°
10
Patchy rain possible
12°
11
Patchy rain possible
13°
12
Patchy rain possible
11°
13
Overcast
11°
14
Weather Alert Patchy rain possible
10°
15
Weather Alert Patchy rain possible
11°
16
Patchy rain possible
11°
17
Patchy rain possible
8°
18
Patchy rain possible
8°
19
Partly cloudy
10°
20
Patchy rain possible
8°
21
Sunny
7°
22
Patchy rain possible
10°
23
Patchy rain possible
11°
24
Patchy rain possible
10°
25
Patchy rain possible
11°
26
Patchy rain possible
10°
27
Patchy rain possible
9°
28
Light snow showers
6°
29
Overcast
7°
30
Light sleet showers
7°
31
Light rain shower
9°

Temperatures trend during October in Mariehamn

See the weather trend as well as the moving average line

October weather in Mariehamn day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
1 Oct. Partly cloudy
Partly cloudy
 13° /11° 0.1 mm 0 cm
2 Oct. Patchy rain possible
Patchy rain possible
 12° /10° 0.4 mm 0 cm
3 Oct. Patchy rain possible
Patchy rain possible
 12° /10° 0.6 mm 0 cm
4 Oct. Light rain shower
Light rain shower
 12° /10° 5.8 mm 0 cm
5 Oct. Patchy rain possible
Patchy rain possible
 12° /10° 4.3 mm 0 cm
6 Oct. Light rain shower
Light rain shower
 13° /10° 5.3 mm 0 cm
7 Oct. Light rain shower
Light rain shower
 12° /9° 2 mm 0 cm
8 Oct. Patchy rain possible
Patchy rain possible
 12° /9° 3.4 mm 0 cm
9 Oct. Patchy rain possible
Patchy rain possible
 11° /9° 11.2 mm 0 cm
10 Oct. Patchy rain possible
Patchy rain possible
 12° /10° 11.3 mm 0 cm
11 Oct. Patchy rain possible
Patchy rain possible
 13° /9° 2.4 mm 0 cm
12 Oct. Patchy rain possible
Patchy rain possible
 11° /8° 1.8 mm 0 cm
13 Oct. Overcast
Overcast
 11° /8° 4.1 mm 0 cm
14 Oct. Patchy rain possible
Patchy rain possible
 10° /9° 1.3 mm 0 cm
15 Oct. Patchy rain possible
Patchy rain possible
 11° /9° 0.7 mm 0 cm
16 Oct. Patchy rain possible
Patchy rain possible
 11° /9° 0.7 mm 0 cm
17 Oct. Patchy rain possible
Patchy rain possible
 8° /8° 3.1 mm 0 cm
18 Oct. Patchy rain possible
Patchy rain possible
 8° /7° 0.3 mm 0 cm
19 Oct. Partly cloudy
Partly cloudy
 10° /8° 0 mm 0 cm
20 Oct. Patchy rain possible
Patchy rain possible
 8° /8° 0.1 mm 0 cm
21 Oct. Sunny
Sunny
 7° /7° 0 mm 0 cm
22 Oct. Patchy rain possible
Patchy rain possible
 10° /10° 0.1 mm 0 cm
23 Oct. Patchy rain possible
Patchy rain possible
 11° /10° 1.3 mm 0 cm
24 Oct. Patchy rain possible
Patchy rain possible
 10° /9° 0.6 mm 0 cm
25 Oct. Patchy rain possible
Patchy rain possible
 11° /9° 0.1 mm 0 cm
26 Oct. Patchy rain possible
Patchy rain possible
 10° /9° 0.1 mm 0 cm
27 Oct. Patchy rain possible
Patchy rain possible
 9° /9° 0.2 mm 0 cm
28 Oct. Light snow showers
Light snow showers
 6° /4° 0.2 mm 0.2 cm
29 Oct. Overcast
Overcast
 7° /4° 1 mm 0 cm
30 Oct. Light sleet showers
Light sleet showers
 7° /5° 1.8 mm 0 cm
31 Oct. Light rain shower
Light rain shower
 9° /5° 8.1 mm 0 cm
Next
Important Notice
Our weather forecast for Mariehamn in October 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.
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Mariehamn in October - FAQ

What are the expected maximum and minimum temperatures in Mariehamn during October?
During October, expect a variety of temperatures with highs around 10° and lows near 8°, suitable for diverse activities and preferences.
How much rainfall should be expected in Mariehamn during October?
Moderate rainfall is anticipated in Mariehamn during October, with a total of 84.2 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
Will it snow in Mariehamn in October 2025?
Mariehamn experiences an average snowfall of 0.91 cm during October, occurring over 2 days.
What are the typical wind conditions in Mariehamn during October?
The average wind speed in Mariehamn during October is 40 km/h, suggesting breezy to windy conditions, depending on your activities.

Mariehamn snow forecast October 2025

Track daily snowfall levels and discover Mariehamn’s snowy potential this October ❄️

October rainfall patterns in Mariehamn

Explore the daily rainfall trends and prepare for Mariehamns October 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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