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June Weather in Stephenville, Canada

Last updated: June 18, 2025

The average temperature in Stephenville, Canada during June is a pleasant 12°C (54°F). However, temperatures can vary significantly, with a minimum of just 1°C (35°F) and a maximum of 26°C (79°F). Expect to encounter a total precipitation of 123 mm (4.8 in) spread over 15 days, accompanied by a high average humidity of 85%.

June Temperature in Stephenville

In June in Stephenville, the average temperature is 12°C (54°F). Maximums can reach up to 26°C (79°F), while minimums can drop as low as 1°C (35°F). This diverse range in temperatures makes it essential to pack layers when traveling to Stephenville during this month.

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

The chart illustrates June temperature patterns in Stephenville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stephenville, June typically has an average temperature of 12°C (54°F), with highs reaching up to 26°C (79°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec242226354353626456473829
Data source: Temperature data for Stephenville 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 Stephenville

In Stephenville in June, the precipitation amount is 123 mm (4.8 in), occurring over a span of 15 days.

June Precipitation Trends in Stephenville

The chart displays monthly precipitation patterns in Stephenville, 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 Stephenville, June typically receives around 123 mm (4.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec10913112011211112389115144148172163
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Stephenville

In Stephenville in June, humidity is 85%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making traveling not only uncomfortable but also exhausting as the damp air clings to your skin and slows your movements.

June Average Humidity in Stephenville

This chart illustrates the average monthly humidity levels in Stephenville, 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 Stephenville is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%90%89%88%87%85%90%90%87%84%83%85%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Stephenville

In Stephenville in June, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Stephenville.

Maximum UV Index Levels in Stephenville for June

The chart shows the monthly maximum UV Index (UVI) for Stephenville 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 Stephenville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789886422
Data source: Stephenville 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 Stephenville Compares to Other Months

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

This table compares monthly weather conditions in Stephenville, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (24°F)109 mm (4.3 inches)88%low
February Weather-6°C (22°F)131 mm (5.2 inches)90%moderate
March Weather-3°C (27°F)120 mm (4.7 inches)89%moderate
April Weather2°C (36°F)112 mm (4.4 inches)88%high
May Weather6°C (43°F)111 mm (4.4 inches)87%very high
June Weather12°C (54°F)123 mm (4.8 inches)85%very high
July Weather16°C (62°F)89 mm (3.5 inches)90%very high
August Weather18°C (65°F)114 mm (4.5 inches)90%very high
September Weather13°C (57°F)144 mm (5.7 inches)87%high
October Weather8°C (47°F)148 mm (5.8 inches)84%moderate
November Weather3°C (38°F)172 mm (6.8 inches)83%low
December Weather-1°C (30°F)163 mm (6.4 inches)85%low

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