June Weather in St. George, Canada

Last updated: June 18, 2025

In June, the average temperature in St. George, Canada hovers around 19°C (67°F). Expect a range that can dip to a cool 5°C (40°F) and soar up to a warm 33°C (92°F). During this time, you might encounter 103 mm (4.1 in) of precipitation spread across 11 days, with the air feeling quite humid at 81%.

June Temperature in St. George

In June in St. George, the average temperature is 19°C (67°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 5°C (40°F). Pack accordingly, as the weather can vary significantly during your travels.

June Weather in St. George: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in St. George, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In St. George, June typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec242533435666727063523730
Data source: Temperature data for St. George 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 St. George

In St. George in June, the precipitation amount is 103 mm (4.1 in) spread over 11 days.

June Precipitation Trends in St. George

The chart displays monthly precipitation patterns in St. George, 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 St. George, June typically receives around 103 mm (4.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec70746598971038290711007571
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in St. George

In St. George in June humidity is 81%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket enveloping you, making travel somewhat uncomfortable as sweat clings to your skin and the air feels thick, prompting you to seek shade and hydration frequently.

June Average Humidity in St. George

This chart illustrates the average monthly humidity levels in St. George, 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 St. George is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%88%87%83%81%79%80%81%84%88%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in St. George

In St. George in June, 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 St. George.

Maximum UV Index Levels in St. George for June

The chart shows the monthly maximum UV Index (UVI) for St. George 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 St. George typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997542
Data source: St. George 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 St. George Compares to Other Months

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

This table compares monthly weather conditions in St. George, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)70 mm (2.7 inches)90%low
February Weather-4°C (26°F)74 mm (2.9 inches)90%moderate
March Weather1°C (33°F)65 mm (2.6 inches)87%moderate
April Weather6°C (44°F)98 mm (3.9 inches)87%very high
May Weather14°C (57°F)97 mm (3.8 inches)82%very high
June Weather19°C (67°F)103 mm (4.1 inches)81%very high
July Weather22°C (72°F)82 mm (3.2 inches)79%very high
August Weather21°C (70°F)90 mm (3.5 inches)80%very high
September Weather17°C (63°F)71 mm (2.8 inches)81%high
October Weather11°C (52°F)100 mm (3.9 inches)84%moderate
November Weather3°C (38°F)75 mm (3.0 inches)88%moderate
December Weather-1°C (30°F)70 mm (2.8 inches)87%low

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