October Weather in Richmond Hill, United States

Last updated: June 24, 2025

In Richmond Hill, United States during October, the average temperature hovers around 22°C (72°F). Expect a cozy range where the minimum can dip to 4°C (39°F) and the maximum peaks at 34°C (93°F). Be prepared for some rainfall, with an average precipitation of 80 mm (3.2 in) spanning 9 days throughout the month. With an average humidity of 79%, you might want to stay hydrated while enjoying the vibrant atmosphere!

October Temperature in Richmond Hill

In October in Richmond Hill, the average temperature is 22°C (72°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as 4°C (39°F). This diverse temperature range makes it an ideal destination for travelers seeking both warmth and cooler respite during their adventures.

October Weather in Richmond Hill: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Richmond Hill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Richmond Hill, October typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec525861677579828178725955
Data source: Temperature data for Richmond Hill 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 Richmond Hill

In Richmond Hill in October, the total precipitation amount is 80 mm (3.2 in) over the course of 9 days.

October Precipitation Trends in Richmond Hill

The chart displays monthly precipitation patterns in Richmond Hill, 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 Richmond Hill, October typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec577863741011501681771218085114
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Richmond Hill

In Richmond Hill in October humidity is 79%. With an average temperature of 22°C (72°F), this humidity feels like you are enveloped in a warm, heavy blanket, making it feel considerably hotter and adding a layer of stickiness to your skin as you navigate through the streets.

October Average Humidity in Richmond Hill

This chart illustrates the average monthly humidity levels in Richmond Hill, 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 Richmond Hill is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Richmond Hill

In Richmond Hill in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Richmond Hill.

Maximum UV Index Levels in Richmond Hill for October

The chart shows the monthly maximum UV Index (UVI) for Richmond Hill 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 Richmond Hill typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479101111111110864
Data source: Richmond Hill 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 Richmond Hill Compares to Other Months

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

This table compares monthly weather conditions in Richmond Hill, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)57 mm (2.2 inches)84%moderate
February Weather14°C (58°F)78 mm (3.1 inches)79%high
March Weather16°C (62°F)63 mm (2.5 inches)78%very high
April Weather19°C (67°F)74 mm (2.9 inches)72%very high
May Weather24°C (75°F)101 mm (4.0 inches)72%extreme
June Weather26°C (79°F)150 mm (5.9 inches)74%extreme
July Weather28°C (82°F)168 mm (6.6 inches)82%extreme
August Weather27°C (81°F)177 mm (7.0 inches)82%extreme
September Weather26°C (78°F)121 mm (4.7 inches)83%very high
October Weather22°C (72°F)80 mm (3.2 inches)79%very high
November Weather15°C (59°F)85 mm (3.3 inches)82%high
December Weather13°C (55°F)114 mm (4.5 inches)85%moderate

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