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April Weather in Niagara, United States

Last updated: June 24, 2025

In April, the average temperature in Niagara, United States hovers around 4°C (39°F), with extremes ranging from a chilly -16°C (4°F) to a surprising 24°C (75°F). Visitors can expect about 90 mm (3.5 in) of precipitation over approximately 11 days, contributing to an average humidity level of 84%. Be prepared for a blend of crisp and wet conditions!

April Temperature in Niagara

In April in Niagara, the average temperature is 4°C (39°F). Maximums can reach 24°C (75°F), and minimums can drop as low as -16°C (4°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates April temperature patterns in Niagara, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niagara, April typically has an average temperature of 4°C (39°F), with highs reaching up to 24°C (75°F) and lows dropping to around -16°C (4°F).
JanFebMarAprMayJunJulAugSepOctNovDec171728395465706659463123
Data source: Temperature data for Niagara 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 Niagara

In Niagara in April, the total precipitation amounts to 90 mm (3.5 in) over the course of 11 days.

April Precipitation Trends in Niagara

The chart displays monthly precipitation patterns in Niagara, 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 Niagara, April typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec334948908510810311890995255
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Niagara

In Niagara in April, humidity is 84%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor excursions uncomfortable and demanding more layers than you anticipate while traveling.

April Average Humidity in Niagara

This chart illustrates the average monthly humidity levels in Niagara, 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 Niagara is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%87%84%77%75%75%73%78%84%89%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Niagara

In Niagara in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Niagara.

Maximum UV Index Levels in Niagara for April

The chart shows the monthly maximum UV Index (UVI) for Niagara 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 Niagara typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789997532
Data source: Niagara 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 Niagara Compares to Other Months

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

This table compares monthly weather conditions in Niagara, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)33 mm (1.3 inches)89%low
February Weather-9°C (17°F)49 mm (1.9 inches)90%moderate
March Weather-2°C (28°F)48 mm (1.9 inches)87%moderate
April Weather4°C (39°F)90 mm (3.5 inches)84%high
May Weather12°C (55°F)85 mm (3.3 inches)77%very high
June Weather18°C (65°F)108 mm (4.3 inches)75%very high
July Weather21°C (70°F)103 mm (4.1 inches)74%very high
August Weather19°C (67°F)118 mm (4.6 inches)73%very high
September Weather15°C (60°F)90 mm (3.5 inches)78%high
October Weather8°C (46°F)99 mm (3.9 inches)84%moderate
November Weather0°C (32°F)51 mm (2.0 inches)89%moderate
December Weather-5°C (23°F)55 mm (2.2 inches)87%low

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