Last updated: March 2, 2024
The weather in Mariehamn, Åland Islands, during October is characterized by an average temperature of 9°C (49°F). Highs can soar to 13°C (56°F), while lows may dip to 4°C (40°F). Typically, the humidity level in Mariehamn throughout October hovers around 89%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In October, Mariehamn averages 90 mm (3.6 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 10 hours 3 minutes of daylight, with the sun shining for approximately 6 hours 58 minutes each day. Additionally, there is a 23% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In October, the UV Index in Mariehamn reaches a maximum of 2, indicating a level of Low exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 45 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||