Last updated: August 22, 2025
In Hammarland, Åland Islands, the average temperature in October is a cool 9°C (48°F). Expect variability, as temperatures can dip to a chilly -1°C (30°F) or rise to a pleasant 16°C (62°F). Be prepared for rain, with approximately 73 mm (2.9 in) of precipitation expected over 15 days, and keep in mind the high average humidity of 90%, which adds to the overall chill.
In October in Hammarland, the average temperature is 9°C (48°F), with maximums reaching 16°C (62°F) and minimums dropping as low as -1°C (30°F). Be prepared for chilly weather and pack accordingly if you're planning to explore during this time!
In Hammarland in October, the precipitation amount is 73 mm (2.9 in) over the course of 15 days.
In Hammarland in October, humidity is 90%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration quite uncomfortable and requiring heavier layers to stay warm and dry.
In Hammarland in October, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Hammarland, you can visit Hourly UV Index in Hammarland.
UV Risk Categories
Weather in Hammarland varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Hammarland, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 0°C (33°F) | 39 mm (1.6 inches) | 92% | low |
| February Weather | -1°C (31°F) | 32 mm (1.3 inches) | 90% | low |
| March Weather | 1°C (35°F) | 35 mm (1.4 inches) | 90% | moderate |
| April Weather | 4°C (40°F) | 24 mm (1.0 inches) | 85% | moderate |
| May Weather | 9°C (49°F) | 37 mm (1.5 inches) | 77% | moderate |
| June Weather | 15°C (60°F) | 30 mm (1.2 inches) | 76% | high |
| July Weather | 18°C (64°F) | 49 mm (1.9 inches) | 75% | high |
| August Weather | 17°C (63°F) | 53 mm (2.1 inches) | 78% | moderate |
| September Weather | 13°C (56°F) | 49 mm (1.9 inches) | 86% | moderate |
| October Weather | 9°C (48°F) | 73 mm (2.9 inches) | 90% | low |
| November Weather | 5°C (41°F) | 43 mm (1.7 inches) | 91% | low |
| December Weather | 2°C (36°F) | 63 mm (2.5 inches) | 90% | low |