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April Weather in Frontenac, United States

Last updated: June 24, 2025

In April, the average temperature in Frontenac, United States hovers around 14°C (57°F). This month can bring quite the temperature swing, with a minimum dipping to -5°C (23°F) and a maximum reaching up to 32°C (90°F). Expect a total precipitation of 129 mm (5.1 in) spread over 11 days, contributing to an average humidity level of 78%.

April Temperature in Frontenac

In April in Frontenac, the average temperature is 14°C (57°F). Maximums can reach 32°C (90°F), while minimums can drop to -5°C (23°F). This variation in temperatures makes Frontenac an intriguing destination, so be sure to pack for both warm and chilly conditions!

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

The chart illustrates April temperature patterns in Frontenac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Frontenac, April typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec353750576878817874604741
Data source: Temperature data for Frontenac 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 Frontenac

In Frontenac in April, the precipitation amount is 129 mm (5.1 in) spread over 11 days, indicating a wet period for the area.

April Precipitation Trends in Frontenac

The chart displays monthly precipitation patterns in Frontenac, 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 Frontenac, April typically receives around 129 mm (5.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec6662126129199100103121901195138
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Frontenac

In Frontenac in April, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

April Average Humidity in Frontenac

This chart illustrates the average monthly humidity levels in Frontenac, 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 Frontenac is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%78%76%78%83%83%78%68%64%70%83%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Frontenac

In Frontenac in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Frontenac.

Maximum UV Index Levels in Frontenac for April

The chart shows the monthly maximum UV Index (UVI) for Frontenac 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 Frontenac typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
Data source: Frontenac 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 Frontenac Compares to Other Months

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

This table compares monthly weather conditions in Frontenac, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)66 mm (2.6 inches)81%moderate
February Weather3°C (38°F)62 mm (2.4 inches)78%moderate
March Weather10°C (50°F)126 mm (5.0 inches)76%high
April Weather14°C (57°F)129 mm (5.1 inches)78%very high
May Weather20°C (68°F)199 mm (7.8 inches)83%very high
June Weather25°C (78°F)100 mm (4.0 inches)83%extreme
July Weather27°C (81°F)103 mm (4.0 inches)78%extreme
August Weather26°C (79°F)121 mm (4.8 inches)68%very high
September Weather23°C (74°F)90 mm (3.5 inches)64%very high
October Weather15°C (60°F)119 mm (4.7 inches)70%high
November Weather8°C (47°F)51 mm (2.0 inches)83%moderate
December Weather5°C (42°F)38 mm (1.5 inches)87%moderate

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