nomadseason

October Weather in Fort St. John, Canada

Last updated: June 18, 2025

In Fort St. John, Canada, the average temperature in October hovers around 2°C (37°F), with lows plummeting to a brisk -13°C (9°F) and highs reaching a pleasant 21°C (70°F). Expect some moisture, as 41 mm (1.6 in) of precipitation typically falls over 6 days, contributing to an average humidity of 86%. Whether you're braving the chill or enjoying the occasional warmth, this month offers a diverse weather experience!

October Temperature in Fort St. John

In October in Fort St. John, the average temperature is 2°C (37°F). The maximum can reach 21°C (70°F) and the minimum can be as low as -13°C (9°F). This dramatic range in temperatures means that travelers should be prepared for both warm days and cold nights.

October Weather in Fort St. John: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Fort St. John, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort St. John, October typically has an average temperature of 2°C (37°F), with highs reaching up to 21°C (70°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec12921355158615949362114
Data source: Temperature data for Fort St. John generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Fort St. John

In Fort St. John in October, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

October Precipitation Trends in Fort St. John

The chart displays monthly precipitation patterns in Fort St. John, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Fort St. John, October typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec262632274181935546415022
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Fort St. John

In Fort St. John in October, humidity is 86%. With an average temperature of 2°C (37°F), this humidity feels like a chilly dampness that clings to your clothes and makes outdoor activities quite uncomfortable for traveling.

October Average Humidity in Fort St. John

This chart illustrates the average monthly humidity levels in Fort St. John, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Fort St. John is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%94%89%86%82%80%83%80%83%87%91%95%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Fort St. John

In Fort St. John in October, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Fort St. John, you can check the information here.

Maximum UV Index Levels in Fort St. John for October

The chart shows the monthly maximum UV Index (UVI) for Fort St. John in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In October, the maximum UV index in Fort St. John typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123577775311
Data source: Fort St. John October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How October Weather in Fort St. John Compares to Other Months

Weather in Fort St. John varies notably across the year, with each month offering distinct climate conditions. This page compares October’s weather to other months in Fort St. John, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Fort St. John, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (12°F)26 mm (1.0 inches)94%low
February Weather-13°C (9°F)26 mm (1.0 inches)94%low
March Weather-6°C (22°F)31 mm (1.2 inches)89%moderate
April Weather2°C (35°F)27 mm (1.1 inches)86%moderate
May Weather10°C (51°F)41 mm (1.6 inches)82%high
June Weather15°C (59°F)81 mm (3.2 inches)80%high
July Weather16°C (61°F)93 mm (3.7 inches)83%high
August Weather15°C (59°F)55 mm (2.2 inches)80%high
September Weather9°C (49°F)46 mm (1.8 inches)83%moderate
October Weather2°C (37°F)41 mm (1.6 inches)86%moderate
November Weather-6°C (21°F)50 mm (2.0 inches)91%low
December Weather-10°C (15°F)22 mm (0.9 inches)95%low

Compare Fort St. John's Climate with Cities Worldwide