April Weather in Guelph, Canada

Last updated: June 18, 2025

In April, the average temperature in Guelph, Canada hovers around 6°C (42°F), with a minimum dip to -7°C (19°F) and a peak of 26°C (79°F). Expect about 103 mm (4.1 in) of precipitation spread over 13 days, accompanied by an average humidity of 87%. Prepare for a dynamic climate that balances chill and warmth!

April Temperature in Guelph

In April in Guelph, the average temperature is 6°C (42°F). The maximum can reach 26°C (79°F), while the minimum can drop as low as -7°C (19°F). Be prepared for a wide range of temperatures when traveling to Guelph during this month.

April Weather in Guelph: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Guelph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Guelph, April typically has an average temperature of 6°C (42°F), with highs reaching up to 26°C (79°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec232432425666716962503629
Data source: Temperature data for Guelph 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 Guelph

In Guelph in April, the precipitation amount is 103 mm (4.1 in) spread over a duration of 13 days.

April Precipitation Trends in Guelph

The chart displays monthly precipitation patterns in Guelph, 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 Guelph, April typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec707565103971057795711017872
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Guelph

In Guelph in April humidity is 87%. With an average temperature of 6°C (42°F), this humidity feels like a persistent chill that seeps into your bones, making it uncomfortable for traveling and leaving you longing for warmth at every turn.

April Average Humidity in Guelph

This chart illustrates the average monthly humidity levels in Guelph, 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 Guelph is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%88%87%83%81%79%80%81%84%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Guelph

In Guelph 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 Guelph.

Maximum UV Index Levels in Guelph for April

The chart shows the monthly maximum UV Index (UVI) for Guelph 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 Guelph typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Guelph 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 Guelph Compares to Other Months

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

This table compares monthly weather conditions in Guelph, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)70 mm (2.8 inches)90%low
February Weather-5°C (24°F)75 mm (2.9 inches)90%moderate
March Weather0°C (32°F)65 mm (2.5 inches)87%moderate
April Weather6°C (42°F)103 mm (4.1 inches)87%very high
May Weather13°C (56°F)97 mm (3.8 inches)82%very high
June Weather19°C (66°F)105 mm (4.1 inches)81%very high
July Weather22°C (71°F)77 mm (3.0 inches)79%very high
August Weather20°C (69°F)95 mm (3.7 inches)80%very high
September Weather17°C (62°F)71 mm (2.8 inches)81%high
October Weather10°C (50°F)101 mm (4.0 inches)84%moderate
November Weather2°C (36°F)78 mm (3.1 inches)88%moderate
December Weather-2°C (29°F)72 mm (2.8 inches)87%low

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