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April Weather in Richmond Hill, Canada

Last updated: June 18, 2025

In April, the average temperature in Richmond Hill, Canada hovers around 6°C (43°F). Expect chilly days with a minimum dipping to -6°C (22°F), while the mercury can rise to a comfortable maximum of 22°C (72°F). Rainfall is common, with 98 mm (3.9 in) expected over 13 days, contributing to an average humidity of 88%.

April Temperature in Richmond Hill

In April in Richmond Hill, the average temperature is 6°C (43°F). The maximum can reach 22°C (72°F), while the minimum can dip as low as -6°C (22°F). Be prepared for a wide range of temperatures during your travels to Richmond Hill in April.

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

The chart illustrates April 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, April typically has an average temperature of 6°C (43°F), with highs reaching up to 22°C (72°F) and lows dropping to around -6°C (22°F).
JanFebMarAprMayJunJulAugSepOctNovDec252633435566727063523830
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.

April Precipitation in Richmond Hill

In Richmond Hill in April, the precipitation amount is 98 mm (3.9 in) over a span of 13 days.

April Precipitation Trends in Richmond Hill

The chart displays monthly precipitation patterns in Richmond Hill, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Richmond Hill, April typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec636558989079787858957270
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Richmond Hill

In Richmond Hill in April, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

April Average Humidity in Richmond Hill

This chart illustrates the average monthly humidity levels in Richmond Hill, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Richmond Hill is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Richmond Hill

In Richmond Hill in April, 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 April

The chart shows the monthly maximum UV Index (UVI) for Richmond Hill in April, 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 April, the maximum UV index in Richmond Hill typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Richmond Hill April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)62 mm (2.5 inches)91%low
February Weather-3°C (26°F)65 mm (2.6 inches)91%moderate
March Weather0°C (33°F)58 mm (2.3 inches)88%moderate
April Weather6°C (43°F)98 mm (3.9 inches)88%very high
May Weather13°C (55°F)90 mm (3.6 inches)82%very high
June Weather19°C (66°F)79 mm (3.1 inches)79%very high
July Weather22°C (72°F)78 mm (3.1 inches)77%very high
August Weather21°C (71°F)78 mm (3.1 inches)72%very high
September Weather17°C (64°F)58 mm (2.3 inches)76%high
October Weather11°C (52°F)95 mm (3.7 inches)83%moderate
November Weather3°C (38°F)72 mm (2.8 inches)88%moderate
December Weather-1°C (31°F)70 mm (2.8 inches)87%low

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