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April Weather in Welland, Canada

Last updated: June 18, 2025

In April, the average temperature in Welland, Canada hovers around 6°C (43°F). You can expect a minimum chill of -3°C (27°F) and a pleasant maximum of 19°C (66°F). During this month, precipitation is quite noticeable, with around 118 mm (4.6 in) falling over approximately 13 days. Additionally, the average humidity sits high at 88%, making for a notably damp atmosphere.

April Temperature in Welland

In April in Welland, the average temperature is 6°C (43°F). The maximum can reach 19°C (66°F) and the minimum can be as low as -3°C (27°F). Overall, it's advisable to pack layers to prepare for varying temperatures during your travels.

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

The chart illustrates April temperature patterns in Welland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Welland, April typically has an average temperature of 6°C (43°F), with highs reaching up to 19°C (66°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec282934425465727266564235
Data source: Temperature data for Welland 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 Welland

In Welland in April, the precipitation amount is 118 mm (4.6 in) over a span of 13 days.

April Precipitation Trends in Welland

The chart displays monthly precipitation patterns in Welland, 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 Welland, April typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7985771181048412485801339293
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Welland

In Welland 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 Welland

This chart illustrates the average monthly humidity levels in Welland, 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 Welland 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 Welland

In Welland 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 Welland.

Maximum UV Index Levels in Welland for April

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

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

This table compares monthly weather conditions in Welland, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)79 mm (3.1 inches)91%low
February Weather-2°C (29°F)85 mm (3.4 inches)91%moderate
March Weather1°C (34°F)77 mm (3.0 inches)88%moderate
April Weather6°C (43°F)118 mm (4.6 inches)88%very high
May Weather12°C (54°F)104 mm (4.1 inches)82%very high
June Weather18°C (65°F)84 mm (3.3 inches)79%very high
July Weather22°C (73°F)124 mm (4.9 inches)77%very high
August Weather22°C (72°F)85 mm (3.4 inches)72%very high
September Weather19°C (66°F)80 mm (3.2 inches)76%high
October Weather13°C (56°F)133 mm (5.2 inches)83%moderate
November Weather6°C (42°F)92 mm (3.6 inches)88%moderate
December Weather1°C (35°F)93 mm (3.7 inches)87%low

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