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June Weather in Hamilton, Canada

Last updated: June 18, 2025

In June, the average temperature in Hamilton, Canada is a pleasant 19°C (66°F). Expect a minimum chill of 6°C (43°F) and a maximum warmth of 29°C (85°F). Rainfall is typically around 89 mm (3.5 in) spread over 11 days, contributing to an average humidity of 79%.

June Temperature in Hamilton

In June in Hamilton, the average temperature is 19°C (66°F). The maximum can reach 29°C (85°F) and the minimum can be as low as 6°C (43°F). It's a great time to explore the outdoors while enjoying mild weather.

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

The chart illustrates June temperature patterns in Hamilton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hamilton, June typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (85°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec272834435566737265544033
Data source: Temperature data for Hamilton 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 Hamilton

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

June Precipitation Trends in Hamilton

The chart displays monthly precipitation patterns in Hamilton, 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 Hamilton, June typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec76816811199898878671118180
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Hamilton

In Hamilton 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 Hamilton

This chart illustrates the average monthly humidity levels in Hamilton, 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 Hamilton 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 Hamilton

In Hamilton 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 Hamilton.

Maximum UV Index Levels in Hamilton for June

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

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

This table compares monthly weather conditions in Hamilton, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)76 mm (3.0 inches)91%low
February Weather-2°C (28°F)81 mm (3.2 inches)91%moderate
March Weather1°C (35°F)68 mm (2.7 inches)88%moderate
April Weather6°C (44°F)111 mm (4.4 inches)88%very high
May Weather13°C (55°F)99 mm (3.9 inches)82%very high
June Weather19°C (66°F)89 mm (3.5 inches)79%very high
July Weather23°C (73°F)88 mm (3.5 inches)77%very high
August Weather22°C (72°F)78 mm (3.1 inches)72%very high
September Weather18°C (65°F)67 mm (2.7 inches)76%high
October Weather12°C (54°F)111 mm (4.4 inches)83%moderate
November Weather4°C (40°F)81 mm (3.2 inches)88%moderate
December Weather0°C (33°F)80 mm (3.1 inches)87%low

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