Last updated: August 23, 2025
In August, the average temperature in Karttula, Finland is a comfortable 15°C (60°F). However, be prepared for fluctuations; the minimum can drop to 5°C (42°F) while highs can reach up to 32°C (91°F). With an average humidity of 85%, the air tends to feel quite moist. Expect about 98 mm (3.9 in) of precipitation over 14 days, so don't forget your umbrella!
In August in Karttula, the average temperature is 15°C (60°F), with maximums reaching up to 32°C (91°F) and minimums dropping as low as 5°C (42°F). It's advisable to pack layers to accommodate the fluctuating temperatures during your travels.
In Karttula in August, the precipitation amount reaches 98 mm (3.9 in) over a span of 14 days.
In Karttula in August, humidity is 85%. With an average temperature of 15°C (60°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable for travelers who may find themselves constantly seeking shade and hydration.
In Karttula 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 Karttula.
UV Risk Categories
Weather in Karttula varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Karttula, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 49 mm (1.9 inches) | 99% | low |
| February Weather | -7°C (20°F) | 42 mm (1.7 inches) | 97% | low |
| March Weather | -3°C (26°F) | 41 mm (1.6 inches) | 95% | moderate |
| April Weather | 2°C (35°F) | 44 mm (1.7 inches) | 87% | moderate |
| May Weather | 8°C (47°F) | 54 mm (2.1 inches) | 78% | moderate |
| June Weather | 15°C (60°F) | 59 mm (2.3 inches) | 74% | high |
| July Weather | 17°C (63°F) | 79 mm (3.1 inches) | 80% | high |
| August Weather | 15°C (60°F) | 98 mm (3.9 inches) | 85% | moderate |
| September Weather | 10°C (50°F) | 91 mm (3.6 inches) | 91% | moderate |
| October Weather | 5°C (41°F) | 86 mm (3.4 inches) | 95% | low |
| November Weather | 1°C (33°F) | 75 mm (2.9 inches) | 94% | low |
| December Weather | -4°C (25°F) | 67 mm (2.6 inches) | 98% | low |