October Weather in Saint John

Last updated: March 2, 2024

The weather in Saint John, United States, during October is characterized by an average temperature of 10°C (50°F). Highs can soar to 23°C (73°F), while lows may dip to -4°C (25°F). Typically, the humidity level in Saint John throughout October hovers around 80%.

Precipitation and Sunshine hours

In October, Saint John averages 54 mm (2.1 inches) of rainfall, typically over the course of 9 rainy days. The month enjoys an average of 10 hours 48 minutes of daylight, with the sun shining for approximately 7 hours 42 minutes each day. Additionally, there is a 54% probability of sunny days during this period.

UV Index

In October, the UV Index in Saint John 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.

Monthly weather in Saint John

• Saint John weather January
• Saint John weather February
• Saint John weather March
• Saint John weather April
• Saint John weather May
• Saint John weather June
• Saint John weather July
• Saint John weather August
• Saint John weather September
• Saint John weather October
• Saint John weather November
• Saint John weather December