October Weather in Harriston

Last updated: March 2, 2024

The weather in Harriston, Canada, during October is characterized by an average temperature of 9°C (49°F). Highs can soar to 25°C (76°F), while lows may dip to -2°C (28°F). Typically, the humidity level in Harriston throughout October hovers around 84%.

-2°C (28°F)

Minimum temperature

9°C (49°F)

Average temperature

25°C (76°F)

Maximum temperature

84%

Humidity

Precipitation and Sunshine hours

In October, Harriston averages 111 mm (4.4 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 10 hours 56 minutes of daylight, with the sun shining for approximately 6 hours 18 minutes each day. Additionally, there is a 23% probability of sunny days during this period.

111 mm (4.4 inches)

Precipitation

15 rainy days

Rainy days

6 hours 18 minutes

Sunshine hours

23%

Chance of sun

UV Index

In October, the UV Index in Harriston 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 0 1 1 2 4 5 5 5 4 3 1 1 0
Exposure Low Moderate Low
Time to burn 45 min 30 min 45 min

Compare Harriston's Climate with Cities Worldwide