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June Weather in Saint Marys, United States

Last updated: June 24, 2025

In June, the average temperature in Saint Marys, United States hovers around 22°C (72°F). However, temperatures can vary significantly, ranging from a chilly 6°C (44°F) to a sweltering 34°C (93°F). Prepare for a splash of rain, as 180 mm (7.1 in) of precipitation typically falls over approximately 15 days. On top of that, you can expect 84% average humidity, making the atmosphere feel quite lush and vibrant.

June Temperature in Saint Marys

In June in Saint Marys, the average temperature is 22°C (72°F). Maximums can reach 34°C (93°F), while minimums can drop as low as 6°C (44°F). This makes Saint Marys an ideal destination for travelers seeking mild weather and comfortable conditions for exploration.

June Weather in Saint Marys: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Saint Marys, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Marys, June typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec333845546471767469594438
Data source: Temperature data for Saint Marys 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 Saint Marys

In Saint Marys in June, the total precipitation amount is 180 mm (7.1 in) spread over 15 days.

June Precipitation Trends in Saint Marys

The chart displays monthly precipitation patterns in Saint Marys, 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 Saint Marys, June typically receives around 180 mm (7.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec9512711715115018013411011111788119
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Saint Marys

In Saint Marys in June humidity is 84%. With an average temperature of 22°C (72°F), this humidity feels like a warm embrace, making travel feel slightly stifling but also lending a vibrant energy to the atmosphere, which can be both invigorating and tiring as you explore.

June Average Humidity in Saint Marys

This chart illustrates the average monthly humidity levels in Saint Marys, 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 Saint Marys is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Saint Marys

In Saint Marys 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 Saint Marys.

Maximum UV Index Levels in Saint Marys for June

The chart shows the monthly maximum UV Index (UVI) for Saint Marys 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 Saint Marys typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Saint Marys 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 Saint Marys Compares to Other Months

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

This table compares monthly weather conditions in Saint Marys, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)95 mm (3.7 inches)88%moderate
February Weather3°C (38°F)127 mm (5.0 inches)88%moderate
March Weather7°C (45°F)117 mm (4.6 inches)88%high
April Weather12°C (54°F)151 mm (6.0 inches)86%very high
May Weather18°C (65°F)150 mm (5.9 inches)82%very high
June Weather22°C (72°F)180 mm (7.1 inches)84%very high
July Weather24°C (76°F)134 mm (5.3 inches)82%very high
August Weather23°C (74°F)110 mm (4.3 inches)73%very high
September Weather21°C (70°F)111 mm (4.4 inches)73%very high
October Weather15°C (59°F)117 mm (4.6 inches)81%high
November Weather7°C (44°F)88 mm (3.5 inches)89%moderate
December Weather4°C (39°F)119 mm (4.7 inches)86%moderate

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