Weather Comparison
Side-by-side weather comparison for May
| Metric | Montreal | Quebec City | Better |
|---|---|---|---|
| Average HighHigher is warmer | 19°C (66°F)▲ | 17°C (63°F) | Montreal |
| Average LowHigher is milder | 8°C (46°F)▲ | 7°C (45°F) | Montreal |
| Rain DaysFewer is drier | 12 days▲ | 13 days | Montreal |
| PrecipitationLess is drier | 98 mm▲ | 102 mm | Montreal |
| Sunshine HoursMore is sunnier | 10h/day | 10h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 10 | 10 | Tie |
| Wind SpeedCalmer is better | 19 km/h | 17 km/h▲ | Quebec City |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Montreal edges ahead as the better destination in May. Montreal offers 10 hours of daily sunshine with only 12 rain days, while Quebec City sees 10 sunshine hours and 13 rain days.
Montreal sits in the comfortable travel range at 19°C. Quebec City is also comfortable at 17°C.
For travelers who prioritize dry weather, Montreal is the stronger choice in May.
Montreal reaches an average high of 19°C (66°F) and drops to 8°C (46°F) at night during May. The daily temperature range is 11°C, meaning moderate variation throughout the day.
Quebec City averages 17°C (63°F) for the high and 7°C (45°F) for the low, with a daily range of 10°C. The 2°C difference is noticeable but not dramatic.
Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.
Montreal receives approximately 98 mm of rainfall across 12 rain days during May. You can expect rain roughly every other day.
Quebec City sees 102 mm over 13 rain days. That makes Montreal the drier option by 1 rain day and 4 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 19°C, lows of 8°C, 12 rain days
Highs of 17°C, lows of 7°C, 13 rain days
Pack for both: warm layers, a mid-weight jacket, long trousers, waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during May.
The table below shows average high temperatures and rain days for every month. May is highlighted for quick reference.
| Month | Montreal | Quebec City | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | -5°C | 11d | -7°C | 12d |
| Feb | -3°C | 10d | -5°C | 10d |
| Mar | 3°C | 11d | 1°C | 11d |
| Apr | 11°C | 12d | 8°C | 12d |
| May | 19°C | 12d | 17°C | 13d |
| Jun | 23°C | 12d | 22°C | 12d |
| Jul | 26°C | 13d | 24°C | 15d |
| Aug | 25°C | 12d | 23°C | 13d |
| Sep | 21°C | 10d | 19°C | 11d |
| Oct | 13°C | 12d | 11°C | 13d |
| Nov | 6°C | 12d | 4°C | 12d |
| Dec | -1°C | 12d | -3°C | 13d |
Montreal Weather in May
Full forecast, packing tips, and activities
Quebec City Weather in May
Full forecast, packing tips, and activities