August Weather in St Helena

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%.

2°C (36°F)

Minimum temperature

10°C (50°F)

Average temperature

19°C (66°F)

Maximum temperature

79%

Humidity

Precipitation and Sunshine hours

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.

58 mm (2.3 inches)

Precipitation

13 rainy days

Rainy days

7 hours 25 minutes

Sunshine hours

40%

Chance of sun

UV Index

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.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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

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