Last updated: March 2, 2024
The weather in Karhula, Finland, during April is characterized by an average temperature of 4°C (39°F). Highs can soar to 13°C (56°F), while lows may dip to -6°C (21°F). Typically, the humidity level in Karhula throughout April hovers around 87%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Karhula averages 43 mm (1.7 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 14 hours 40 minutes of daylight, with the sun shining for approximately 12 hours 7 minutes each day. Additionally, there is a 45% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Karhula reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 3 | 4 | 4 | 4 | 3 | 3 | 2 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||