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October Weather in Sussex, Canada

Last updated: June 18, 2025

In October, the average temperature in Sussex, Canada hovers around 9°C (48°F). Expect a chilly minimum of -7°C (20°F) and a pleasant maximum of 23°C (74°F). The region experiences an average precipitation of 93 mm (3.7 in) spread across 12 days, contributing to a relatively high average humidity of 82%. Be prepared for varying weather as you explore this captivating locale!

October Temperature in Sussex

In October in Sussex, the average temperature is 9°C (48°F), with maximums reaching 23°C (74°F) and minimums dropping as low as -7°C (20°F). It's advisable to pack layers to comfortably adapt to the varying temperatures while exploring the area.

October Weather in Sussex: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sussex, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sussex, October typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (74°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec202128405060666658473625
Data source: Temperature data for Sussex generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Sussex

In Sussex in October, the precipitation amount is 93 mm (3.7 in) over the course of 12 days.

October Precipitation Trends in Sussex

The chart displays monthly precipitation patterns in Sussex, 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 Sussex, October typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec101104811051079987819193160114
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sussex

In Sussex in October, humidity is 82%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers for your travels while keeping an umbrella handy for unexpected drizzles.

October Average Humidity in Sussex

This chart illustrates the average monthly humidity levels in Sussex, 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 Sussex is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%84%82%80%78%82%84%82%82%82%84%82%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sussex

In Sussex in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sussex.

Maximum UV Index Levels in Sussex for October

The chart shows the monthly maximum UV Index (UVI) for Sussex 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 Sussex typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357910887532
Data source: Sussex 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 Sussex Compares to Other Months

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

This table compares monthly weather conditions in Sussex, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)101 mm (4.0 inches)83%low
February Weather-6°C (21°F)104 mm (4.1 inches)84%moderate
March Weather-2°C (28°F)80 mm (3.2 inches)82%moderate
April Weather4°C (40°F)105 mm (4.1 inches)80%high
May Weather10°C (50°F)107 mm (4.2 inches)78%very high
June Weather15°C (60°F)99 mm (3.9 inches)82%very high
July Weather19°C (66°F)87 mm (3.4 inches)84%very high
August Weather19°C (66°F)81 mm (3.2 inches)82%very high
September Weather15°C (58°F)91 mm (3.6 inches)82%high
October Weather9°C (48°F)93 mm (3.7 inches)82%moderate
November Weather2°C (36°F)160 mm (6.3 inches)84%moderate
December Weather-4°C (25°F)114 mm (4.5 inches)82%low

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