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June Weather in Newmarket, Canada

Last updated: June 18, 2025

In Newmarket, Canada, the average temperature for June hovers around 19°C (66°F), with a minimum of 3°C (38°F) and soaring up to a maximum of 34°C (93°F). Expect 94 mm (3.7 in) of precipitation over approximately 11 days, contributing to a relatively high average humidity of 79%.

June Temperature in Newmarket

In June in Newmarket, the average temperature is 19°C (66°F). Maximums can reach 34°C (93°F), while minimums can dip to as low as 3°C (38°F). This variability makes Newmarket a great destination for travelers who enjoy diverse weather experiences.

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

The chart illustrates June temperature patterns in Newmarket, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newmarket, June typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec222331425666716962503628
Data source: Temperature data for Newmarket 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 Newmarket

In Newmarket in June, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

June Precipitation Trends in Newmarket

The chart displays monthly precipitation patterns in Newmarket, 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 Newmarket, June typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec60616010399949897641007467
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Newmarket

In Newmarket in June humidity is 79%. With an average temperature of 19°C (66°F), this humidity feels like a warm embrace, making it feel much warmer than the actual temperature and creating a heavy, sticky atmosphere that can be a bit uncomfortable for traveling.

June Average Humidity in Newmarket

This chart illustrates the average monthly humidity levels in Newmarket, 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 Newmarket is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Newmarket

In Newmarket 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 Newmarket.

Maximum UV Index Levels in Newmarket for June

The chart shows the monthly maximum UV Index (UVI) for Newmarket 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 Newmarket typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Newmarket 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 Newmarket Compares to Other Months

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

This table compares monthly weather conditions in Newmarket, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)60 mm (2.4 inches)91%low
February Weather-5°C (23°F)61 mm (2.4 inches)91%moderate
March Weather0°C (32°F)60 mm (2.4 inches)88%moderate
April Weather6°C (42°F)103 mm (4.1 inches)88%very high
May Weather13°C (56°F)99 mm (3.9 inches)82%very high
June Weather19°C (66°F)94 mm (3.7 inches)79%very high
July Weather22°C (72°F)98 mm (3.9 inches)77%very high
August Weather21°C (69°F)97 mm (3.8 inches)72%very high
September Weather16°C (62°F)64 mm (2.5 inches)76%high
October Weather10°C (50°F)100 mm (3.9 inches)83%moderate
November Weather2°C (36°F)74 mm (2.9 inches)88%moderate
December Weather-2°C (28°F)67 mm (2.6 inches)87%low

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