Last updated: August 23, 2025
In August, the average temperature in Marttila, Finland is a mild 16°C (61°F). Expect a minimum drop to 5°C (41°F) and a maximum rise to 30°C (86°F), offering a delightful range for outdoor activities. Be prepared for some rain, as the area receives about 89 mm (3.5 in) of precipitation over 13 days. With an average humidity of 83%, expect a cozy atmosphere throughout the month.
In August in Marttila, the average temperature is 16°C (61°F). Maximum temperatures can reach 30°C (86°F), while minima can drop as low as 5°C (41°F). This variety in temperatures makes it a great time for travelers to dress in layers and enjoy a range of outdoor activities.
In Marttila in August, the precipitation amount is 89 mm (3.5 in) distributed over 13 days.
In Marttila in August, humidity is 83%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit sticky and potentially uncomfortable as you navigate through the sights.
In Marttila in August, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Marttila.
UV Risk Categories
Weather in Marttila varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Marttila, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (28°F) | 50 mm (2.0 inches) | 97% | low |
| February Weather | -4°C (25°F) | 44 mm (1.7 inches) | 95% | low |
| March Weather | -1°C (31°F) | 47 mm (1.9 inches) | 93% | moderate |
| April Weather | 4°C (39°F) | 38 mm (1.5 inches) | 86% | moderate |
| May Weather | 10°C (50°F) | 55 mm (2.2 inches) | 75% | moderate |
| June Weather | 16°C (62°F) | 51 mm (2.0 inches) | 75% | high |
| July Weather | 18°C (64°F) | 78 mm (3.1 inches) | 80% | high |
| August Weather | 16°C (61°F) | 89 mm (3.5 inches) | 83% | moderate |
| September Weather | 12°C (53°F) | 58 mm (2.3 inches) | 90% | moderate |
| October Weather | 7°C (44°F) | 76 mm (3.0 inches) | 93% | low |
| November Weather | 3°C (38°F) | 53 mm (2.1 inches) | 94% | low |
| December Weather | -1°C (30°F) | 69 mm (2.7 inches) | 95% | low |