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Weather in Mariehamn for May 2025

Your guide to Mariehamn weather in May - trends and predictions

  • In general, the average temperature in Mariehamn at the beginning of May is 5 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 11.3 °C by the end of May.

  • Precipitation in Mariehamn during May is a rare event, with an average of fewer than 2 rainy days.

  • Is May 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
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
9°/5°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Mariehamn in May average weather

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

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

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Patchy rain possible
Patchy rain possible
 5° /3° 2.2 mm 3
2 May Patchy rain possible
Patchy rain possible
 6° /3° 2.6 mm 3
3 May Overcast
Overcast
 5° /4° 0 mm 2
4 May Patchy rain possible
Patchy rain possible
 6° /2° 0.1 mm 2
5 May Patchy rain possible
Patchy rain possible
 5° /2° 0.2 mm 2
6 May Overcast
Overcast
 4° /2° 0 mm 2
7 May Overcast
Overcast
 4° /2° 0 mm 2
8 May Partly cloudy
Partly cloudy
 5° /3° 0 mm 2
9 May Partly cloudy
Partly cloudy
 6° /3° 0.7 mm 3
10 May Overcast
Overcast
 7° /4° 0.8 mm 2
11 May Sunny
Sunny
 7° /5° 0 mm 3
12 May Sunny
Sunny
 8° /5° 0.1 mm 3
13 May Sunny
Sunny
 9° /6° 0 mm 3
14 May Sunny
Sunny
 9° /6° 0 mm 4
15 May Partly cloudy
Partly cloudy
 9° /7° 0 mm 4
16 May Heavy rain at times
Heavy rain at times
 9° /7° 1.9 mm 3
17 May Heavy rain at times
Heavy rain at times
 9° /6° 2.4 mm 3
18 May Sunny
Sunny
 10° /6° 0 mm 4
19 May Sunny
Sunny
 10° /7° 0 mm 4
20 May Sunny
Sunny
 10° /7° 0 mm 4
21 May Sunny
Sunny
 10° /7° 0 mm 4
22 May Overcast
Overcast
 11° /8° 0 mm 3
23 May Moderate rain at times
Moderate rain at times
 11° /9° 0.3 mm 4
24 May Sunny
Sunny
 12° /8° 0.2 mm 4
25 May Overcast
Overcast
 12° /8° 0.2 mm 3
26 May Patchy rain possible
Patchy rain possible
 11° /8° 0.1 mm 3
27 May Partly cloudy
Partly cloudy
 11° /8° 0 mm 4
28 May Patchy rain possible
Patchy rain possible
 11° /9° 0.5 mm 4
29 May Overcast
Overcast
 10° /8° 0.1 mm 3
30 May Sunny
Sunny
 12° /8° 0 mm 4
31 May Partly cloudy
Partly cloudy
 12° /9° 0.6 mm 4
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Important Notice
Our weather forecast for Mariehamn in May 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 May

In May, Mariehamn, Aland Islands experiences a transition from the cool spring weather to the milder temperatures of early summer. At the beginning of the month, the weather in Mariehamn is typically cool, with average temperatures around 8° and occasional rainfall.

As the month progresses, the temperatures gradually rise, and by the end of May, the weather becomes noticeably milder with average temperatures around 14°. The days become longer, providing more daylight for outdoor activities and exploration.

The weather in Mariehamn during May is characterized by a mix of sunny days and occasional showers, making it important for travelers to pack layers and be prepared for changing conditions.

The natural beauty of the Aland Islands is particularly enchanting during this time, with the landscape coming to life as the spring blooms reach their peak and the lush greenery becomes more vibrant.

Overall, May is a delightful time to visit Mariehamn, offering a balance of refreshing spring weather at the beginning of the month and the pleasant warmth of early summer by the end.

Mariehamn in May - FAQ

Is May a good time to visit Mariehamn?
Yes, May is a good time to traveling to Mariehamn, read more about the best time to visit Mariehamn.
What are the expected maximum and minimum temperatures in Mariehamn during May?
During May, expect a variety of temperatures with highs around 9° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Mariehamn during May?
In May, Mariehamn can expect light to moderate rainfall, totaling 24.1 mm across approximately 1 days. Occasional showers are possible, and planning ahead for them could be helpful.
Is snowfall common in Mariehamn during May?
Mariehamn experiences an average snowfall of 0 cm during May, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Mariehamn during May?
The average wind speed in Mariehamn during May is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Mariehamn in May?

As you prepare for your trip to Mariehamn in May, 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 May, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long pants
  • Accessories
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather

May rainfall patterns in Mariehamn

Explore the daily rainfall trends and prepare for Mariehamns May 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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