Hamilton, Ontario weather in June
Temperature, rain and sunshine in June: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in June
Excellent
Best time to visit: June – September
What is the weather like in Hamilton, Ontario in June?
In June, Hamilton, Ontario is warm: daytime highs average 22 °C, and nights cool down to about 16 °C. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 88 mm in total. All in all, June is an excellent month for a holiday in Hamilton, Ontario.
June compared
How the weather changes from May to July. Tap a month to open it.
More details for June
- Daylight
- 15 h 22 min05:38 – 21:00
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 6 daysdew point 18 °C or moreAll months
- Wind
- 17 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC−4America/Toronto
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %88 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in June
- Sunscreen
- Sunglasses & sun hat
- Rain jacket or umbrella
Hamilton, Ontario in June: quick answers
Is Hamilton, Ontario hot in June?
Warm rather than hot: in June, daytime highs in Hamilton, Ontario average 22 °C and nights cool to about 16 °C.
Does it rain much in Hamilton, Ontario in June?
Rain is frequent, with about 12 rainy days and 88 mm in total.
Hamilton, Ontario month by month
The whole year in Hamilton, OntarioAll destinations: CanadaWhere to go in June
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences