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June Weather in Mattawa, Canada

Last updated: June 18, 2025

In June, the average temperature in Mattawa, Canada hovers around 17°C (62°F), offering a pleasant climate. However, be prepared for a range of temperatures, with a minimum dipping to 0°C (33°F) and maximums soaring to 32°C (91°F). Expect about 106 mm (4.2 in) of precipitation spread over 12 days, with an average humidity of 67%.

June Temperature in Mattawa

In June in Mattawa, the average temperature is 17°C (62°F). Maximums can reach 32°C (91°F) and minimums can be as low as 0°C (33°F). This variation makes it essential for travelers to pack layers to accommodate both warm and cool conditions.

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

The chart illustrates June temperature patterns in Mattawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mattawa, June typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (91°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec131524385262686557453019
Data source: Temperature data for Mattawa 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 Mattawa

In Mattawa in June, the precipitation amount is 106 mm (4.2 in), occurring over a span of 12 days.

June Precipitation Trends in Mattawa

The chart displays monthly precipitation patterns in Mattawa, 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 Mattawa, June typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec556661100103106951161061038676
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Mattawa

In Mattawa in June, humidity is 67%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making travel enjoyable as long as you stay hydrated and take breaks in shaded areas.

June Average Humidity in Mattawa

This chart illustrates the average monthly humidity levels in Mattawa, 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 Mattawa is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec96%95%89%85%74%67%71%71%76%86%90%94%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Mattawa

In Mattawa 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 Mattawa.

Maximum UV Index Levels in Mattawa for June

The chart shows the monthly maximum UV Index (UVI) for Mattawa 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 Mattawa typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235799987532
Data source: Mattawa 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 Mattawa Compares to Other Months

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

This table compares monthly weather conditions in Mattawa, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)55 mm (2.2 inches)96%low
February Weather-10°C (15°F)66 mm (2.6 inches)95%moderate
March Weather-4°C (24°F)61 mm (2.4 inches)89%moderate
April Weather3°C (38°F)99 mm (3.9 inches)85%high
May Weather11°C (53°F)103 mm (4.1 inches)74%very high
June Weather17°C (62°F)106 mm (4.2 inches)67%very high
July Weather20°C (68°F)95 mm (3.7 inches)71%very high
August Weather18°C (65°F)116 mm (4.6 inches)71%very high
September Weather14°C (57°F)105 mm (4.2 inches)76%high
October Weather7°C (46°F)103 mm (4.0 inches)86%moderate
November Weather-1°C (31°F)86 mm (3.4 inches)90%moderate
December Weather-7°C (19°F)76 mm (3.0 inches)94%low

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