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June Weather in Harriston, United States

Last updated: June 24, 2025

In Harriston, United States, the average temperature in June is a pleasant 22°C (72°F), with a range that dips to a minimum of 7°C (46°F) and can soar up to a maximum of 34°C (94°F). Visitors should be prepared for some rainfall, as 89 mm (3.5 in) of precipitation is expected over 11 days, contributing to an average humidity level of 79%.

June Temperature in Harriston

In June in Harriston, the average temperature is 22°C (72°F). Maximum temperatures can reach 34°C (94°F) while minimum temperatures can drop as low as 7°C (46°F). This makes Harriston an ideal destination for travelers seeking pleasant weather and the chance to experience a wide range of outdoor activities.

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

The chart illustrates June temperature patterns in Harriston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harriston, June typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (94°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec354045556472777469594439
Data source: Temperature data for Harriston 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 Harriston

In Harriston in June, the precipitation amount is 89 mm (3.5 in) over a span of 11 days.

June Precipitation Trends in Harriston

The chart displays monthly precipitation patterns in Harriston, 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 Harriston, June typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec60876710811089591081021067684
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Harriston

In Harriston in June humidity is 79%. With an average temperature of 22°C (72°F), this humidity feels like you are enveloped in a warm, heavy blanket, making it feel considerably hotter and adding a layer of stickiness to your skin as you navigate through the streets.

June Average Humidity in Harriston

This chart illustrates the average monthly humidity levels in Harriston, 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 Harriston is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Harriston

In Harriston 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 Harriston.

Maximum UV Index Levels in Harriston for June

The chart shows the monthly maximum UV Index (UVI) for Harriston 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 Harriston typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111010109753
Data source: Harriston 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 Harriston Compares to Other Months

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

This table compares monthly weather conditions in Harriston, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)60 mm (2.4 inches)86%moderate
February Weather5°C (40°F)87 mm (3.4 inches)86%moderate
March Weather7°C (46°F)67 mm (2.6 inches)86%high
April Weather13°C (55°F)108 mm (4.2 inches)84%very high
May Weather18°C (65°F)110 mm (4.3 inches)78%extreme
June Weather22°C (72°F)89 mm (3.5 inches)79%very high
July Weather25°C (77°F)59 mm (2.3 inches)70%very high
August Weather24°C (75°F)108 mm (4.2 inches)59%very high
September Weather21°C (69°F)102 mm (4.0 inches)68%very high
October Weather15°C (60°F)106 mm (4.2 inches)80%high
November Weather7°C (44°F)76 mm (3.0 inches)86%moderate
December Weather4°C (39°F)84 mm (3.3 inches)85%moderate

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