Climate averages 1991–2020
London, Canada weather
in June.
A warm, wet month: the 3rd warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a warm month in London, Canada: daytime highs average 24.0°C and nights cool to about 14.7°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 102 mm of rain on roughly 12 days, which makes June a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 15 h 18 min on an average June day.
The nearest other city in this atlas is Kitchener (76 km away). In June its highs average 23.3°C, 0.7°C cooler than London, Canada, with 94 mm of rain.
Among the 86 cities listed in Canada, London, Canada ranks 3rd of 86 for the warmest June highs and joint 71st of 86 for the driest June (rainfall, lowest first). The mean June high of those 86 cities is 21.4°C; London, Canada is 2.5°C warmer than that mean.
From June to July, average highs rise by 2.1°C to 26.1°C, and monthly rainfall falls from 102 mm to 100 mm.
The annual picture
June in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
London, Canada climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -1.5°C-9.0°C | -9.0°C | 71 | 11.7 | 9.49 h |
| February | -0.5°C-9.6°C | -9.6°C | 58 | 9.6 | 10.510 h |
| March | 4.7°C-4.5°C | -4.5°C | 70 | 10.9 | 11.912 h |
| April | 11.9°C2.1°C | 2.1°C | 93 | 12.4 | 13.413 h |
| May | 18.9°C9.0°C | 9.0°C | 98 | 12.5 | 14.615 h |
| June, selected | 24.0°C14.7°C | 14.7°C | 102 | 12.0 | 15.315 h |
| July | 26.1°C17.2°C | 17.2°C | 100 | 11.9 | 15.015 h |
| August | 25.1°C16.5°C | 16.5°C | 84 | 10.6 | 13.914 h |
| September | 21.4°C13.0°C | 13.0°C | 86 | 9.7 | 12.513 h |
| October | 14.3°C7.0°C | 7.0°C | 86 | 11.8 | 11.111 h |
| November | 7.2°C1.0°C | 1.0°C | 77 | 11.1 | 9.810 h |
| December | 1.5°C-4.5°C | -4.5°C | 68 | 11.2 | 9.19 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
June in nearby cities
- Kitchener in JuneCanada · 76 kmHigh 23.3°C · Low 13.3°C · 94 mm rain
- Waterloo in JuneCanada · 79 kmHigh 23.2°C · Low 13.5°C · 94 mm rain
- Brantford in JuneCanada · 80 kmHigh 24.1°C · Low 14.5°C · 94 mm rain
- Cambridge, Canada in JuneCanada · 86 kmHigh 23.8°C · Low 14.0°C · 94 mm rain
- Sarnia in JuneCanada · 95 kmHigh 23.7°C · Low 15.9°C · 87 mm rain
- Guelph in JuneCanada · 101 kmHigh 23.2°C · Low 13.5°C · 93 mm rain
- Hamilton in JuneCanada · 116 kmHigh 22.9°C · Low 15.9°C · 86 mm rain
- Burlington in JuneCanada · 122 kmHigh 22.9°C · Low 14.8°C · 82 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for London) is explained once on the London, Canada year overview and on the Sources, method and limits page.