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June Weather in Frontenac, United States

Last updated: June 24, 2025

In June, the average temperature in Frontenac, United States is a warm 25°C (78°F). With a minimum drop to 12°C (54°F) and a maximum rise to 37°C (99°F), you can expect significant variations throughout the day. Be prepared for 100 mm (4.0 in) of precipitation over 9 days, contributing to an average humidity of a humid 83%.

June Temperature in Frontenac

In June in Frontenac, the average temperature is 25°C (78°F). Maximums can reach 37°C (99°F) and minimums can be as low as 12°C (54°F). This climate makes Frontenac an ideal destination for travelers seeking warm weather and a pleasant getaway.

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

The chart illustrates June 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, June typically has an average temperature of 25°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 12°C (54°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.

June Precipitation in Frontenac

In Frontenac in June, the precipitation amount is 100 mm (4.0 in) over the course of 9 days.

June Precipitation Trends in Frontenac

The chart displays monthly precipitation patterns in Frontenac, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Frontenac, June typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec6662126129199100103121901195138
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Frontenac

In Frontenac in June, humidity is 83%. With an average temperature of 25°C (78°F), this humidity feels like stepping into a warm, damp embrace, making travel sticky and exhausting, as each movement can leave you drenched in sweat.

June Average Humidity in Frontenac

This chart illustrates the average monthly humidity levels in Frontenac, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Frontenac is approximately 83%, 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 June generated using information from the Copernicus Climate Change Service.

June UV Index in Frontenac

In Frontenac in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Frontenac.

Maximum UV Index Levels in Frontenac for June

The chart shows the monthly maximum UV Index (UVI) for Frontenac in June, 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 June, the maximum UV index in Frontenac typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
Data source: Frontenac June 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 June 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 June’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 June’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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