Weather in London, Ontario, Canada in May
In an average May, London sees a daily high around 19°C and a low around 7°C, based on 1981–2026 of local climate records.
| Average high | 19°C |
|---|---|
| Typical high range | 12°C to 25°C |
| Average low | 7°C |
| Typical low range | 2°C to 13°C |
| Average daily precipitation | 3 mm |
May records
The most extreme May on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total May accumulation.
High
Highest
33°C
2006-05-29
Lowest
4°C
2020-05-08
Low
Highest
20°C
2018-05-31
Lowest
-3°C
1983-05-10
Feels-like
Highest
43°C
2006-05-29
Lowest
-11°C
2020-05-08
Humidity
Highest
18.1 g/m³
1991-05-29
Lowest
3.2 g/m³
2020-05-08
Wind
Highest
66 km/h
2018-05-04
Lowest
7 km/h
2024-05-14
Precip
Wettest
146 mm
2000
Driest
20 mm
2021
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