Normal weather in Saint Helens in August
The weather in Saint Helens in August has an average temperature of around 33°C during the day. On average, August sees 120 mm of rain in Saint Helens. The wind speed is 5 Beaufort and mainly comes from Southeast.
After July, August in Saint Helens starts with a temperature of 33°C and ends around September at 33°C.
The hurricane season in Saint Helens lasts from early June to late November.
August averages for Saint Helens
 Average temperature | 33°C |
 Highest daytime temperature | 33°C |
| Lowest daytime temperature | 32°C |
 Total rainfall | 120 mm |
| Rainy days | 8 days |
Temperature per day in August in Saint Helens
This graph shows the average daily maximum temperatures in August in Saint Helens, indicated in degrees Celsius.
Rainfall per day in August in Saint Helens
This graph shows the average daily rainfall in August in Saint Helens, indicated in millimeters.
UV index per day in August in Saint Helens
This graph shows the average daily UV index in August in Saint Helens.
Yearly temperature in August in Saint Helens
This graph shows the average yearly temperature in August in Saint Helens, measured in degrees Celsius, over the past years.
Yearly total rainfall in August in Saint Helens
This graph shows the average yearly rainfall in millimeters in August in Saint Helens, over the past years.
Average daily weather in August
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Experiences with the weather in August in Saint Helens
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Average weather in Saint Helens per month
Click on a month below to see in detail how the weather typically is in Saint Helens and what to expect. Based on the historical weather data of Saint Helens, you can view the average temperature, rainfall, wind, and UV index for each day of the month.