Last updated: March 2, 2024
The weather in Isojoki, Finland, during August is characterized by an average temperature of 15°C (60°F). Highs can soar to 25°C (78°F), while lows may dip to 4°C (39°F). Typically, the humidity level in Isojoki throughout August hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, Isojoki averages 113 mm (4.5 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 15 hours 50 minutes of daylight, with the sun shining for approximately 13 hours 25 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in Isojoki reaches a maximum of 5, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 30 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 | 1 | 1 | 2 | 3 | 4 | 4 | 5 | 5 | 4 | 4 | 3 | 2 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||