October weather forecast
St. John's, Canada

October in St. John's depicts the splendor of the fall season, with landscapes painted in hues of red and gold. The noticeable shift in temperature with the high registering at a cooler 10.8°C (51.4°F) and to the low moving down to 3.9°C (39°F). It is time to welcome cozy jackets and scarves, as the air turns crisp with dropping temperatures. Drizzles enhance the charm of the town, while leaf peeping turns into a popular activity across the city.

Temperature

A subtle decrease in the average high-temperature marks October in St. John's, falling from September's comfortable 16.5°C (61.7°F) to a cool 10.8°C (51.4°F). Throughout October, an average low-temperature of 3.9°C (39°F) is experienced in St. John's.

Rainfall

The month with the most rainfall in St. John's, Canada, is October, when the rain falls for 18.1 days and typically aggregates up to 154mm (6.06") of precipitation.

Snowfall

Months with snowfall in St. John's are January through June, October through December. October is the first month it typically snows in St. John's. Throughout October, in the average 1.4 snowfall days, it receives 24mm (0.94") of snow. Throughout the year, in St. John's, Canada, there are 79 snowfall days, and 3349mm (131.85") of snow is accumulated.

Sea temperature

In St. John's, the average seawater temperature in October is 8.3°C (46.9°F).
Note: Entering waters of 8.3°C (46.9°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.

Daylight

The average length of the day in October in St. John's, Canada, is 10h and 50min.
On the first day of the month, sunrise is at 7:00 am and sunset at 6:39 pm. On the last day of October, in St. John's, Canada, sunrise is at 7:44 am and sunset at 5:44 pm NDT.

Sunshine

The average sunshine in October in St. John's is 3.9h.

UV index

In October, the average daily maximum UV index in St. John's, Canada, is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In October, an average UV index of 3 transforms into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.