nomadseason

April Weather in Ajax, Canada

Last updated: June 18, 2025

In April, the average temperature in Ajax, Canada hovers around 5°C (41°F), with a chilly minimum of -4°C (26°F) and a mild maximum of 13°C (56°F). Expect 122 mm (4.8 in) of precipitation spread across 12 days, accompanied by an average humidity level of 88%. Stay prepared for a blend of cool temperatures and damp conditions!

April Temperature in Ajax

In April in Ajax, the average temperature is 5°C (41°F). Maximums can reach 13°C (56°F) and minimums can drop as low as -4°C (26°F). Travelers should be prepared for chilly weather while enjoying the beautiful sights of Ajax.

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

The chart illustrates April temperature patterns in Ajax, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ajax, April typically has an average temperature of 5°C (41°F), with highs reaching up to 13°C (56°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec272833404860707165554133
Data source: Temperature data for Ajax generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Ajax

In Ajax in April, the precipitation amount is 122 mm (4.8 in) over a span of 12 days.

April Precipitation Trends in Ajax

The chart displays monthly precipitation patterns in Ajax, 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 Ajax, April typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec8488771221057770787311810296
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

April Humidity in Ajax

In Ajax in April humidity is 88%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making it essential to bundle up for your travels, as every breath feels heavy in the air and the landscape appears cloaked in a misty shroud.

April Average Humidity in Ajax

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

In Ajax 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 Ajax.

Maximum UV Index Levels in Ajax for April

The chart shows the monthly maximum UV Index (UVI) for Ajax 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 Ajax typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899987532
Data source: Ajax 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 Ajax Compares to Other Months

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

This table compares monthly weather conditions in Ajax, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)84 mm (3.3 inches)91%low
February Weather-2°C (28°F)88 mm (3.5 inches)91%moderate
March Weather1°C (33°F)77 mm (3.0 inches)88%moderate
April Weather5°C (41°F)122 mm (4.8 inches)88%very high
May Weather9°C (49°F)105 mm (4.1 inches)82%very high
June Weather16°C (60°F)77 mm (3.0 inches)79%very high
July Weather21°C (70°F)70 mm (2.7 inches)77%very high
August Weather22°C (71°F)78 mm (3.1 inches)72%very high
September Weather18°C (65°F)73 mm (2.9 inches)76%high
October Weather13°C (55°F)118 mm (4.6 inches)83%moderate
November Weather5°C (41°F)102 mm (4.0 inches)88%moderate
December Weather1°C (33°F)96 mm (3.8 inches)87%low

Compare Ajax's Climate with Cities Worldwide