Last updated: March 2, 2024
The weather in St Helena, Australia, during August is characterized by an average temperature of 10°C (50°F). Highs can soar to 19°C (66°F), while lows may dip to 2°C (36°F). Typically, the humidity level in St Helena throughout August hovers around 79%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In August, St Helena averages 58 mm (2.3 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 10 hours 41 minutes of daylight, with the sun shining for approximately 7 hours 25 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In August, the UV Index in St Helena reaches a maximum of 5, 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 | 4 | 5 | 4 | 4 | 2 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||