August Weather in St. Stephen

Last updated: March 2, 2024

The weather in St. Stephen, Canada, during August is characterized by an average temperature of 20°C (68°F). Highs can soar to 31°C (89°F), while lows may dip to 9°C (49°F). Typically, the humidity level in St. Stephen throughout August hovers around 82%.

9°C (49°F)

Minimum temperature

20°C (68°F)

Average temperature

31°C (89°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In August, St. Stephen averages 76 mm (3.0 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 13 hours 59 minutes of daylight, with the sun shining for approximately 10 hours 25 minutes each day. Additionally, there is a 35% probability of sunny days during this period.

76 mm (3.0 inches)

Precipitation

9 rainy days

Rainy days

10 hours 25 minutes

Sunshine hours

35%

Chance of sun

UV Index

In August, the UV Index in St. Stephen reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 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 4 6 7 8 8 7 5 4 2 1
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare St. Stephen's Climate with Cities Worldwide