Weather · Oakville, Canada
Oakville Weather in May
May in Oakville averages 19°C by day and 9°C at night, with about 49mm of rain. That makes it a reasonable time to visit.
Avg high
19°C
66°F
Avg low
9°C
48°F
Rainfall
49mm
#11 wettest of 12
What to pack
Layers, plus a jacket for mornings and nights. Rain is unlikely to interrupt your plans.
Timing a trip around the weather? A Local Friend in Oakville builds it around the season for you.