Oakville weather in May
Long-run climate averages for Oakville, Ontario in May, plus what the forecast models say for the days ahead.
In May, Oakville averages 20°C by day and 10°C at night. The wettest month is usually April.
May in Oakville averages a daytime high of 20°C and an overnight low of 10°C, which reads as mild for this part of the world. Across the whole year Oakville sees roughly 968 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like — for that, see the live Oakville forecast with every model compared and how much they currently agree.
Oakville weather by month
what to expect in Oakville through the yearHere is Oakville's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Oakville by season.