Saint-Jean-sur-Richelieu in May
6.9out of 10
Possible, with caveats
Mild: highs around 20°C. Frequent rain: about 12 rainy days.
20°CAvg high
9°CAvg low
12Rainy days (104 mm)
14:41 hDaylight
05:29Sunrise · 20:10 Sunset
Why this score
- Mild: highs around 20°C
- Frequent rain: about 12 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (2.9 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -4°C | -13°C | 72 mm | 11 | – | – | 3.6 |
| February | -2°C | -11°C | 60 mm | 9 | – | – | 3.8 |
| March | 3°C | -5°C | 75 mm | 11 | – | – | 4.1 |
| April | 12°C | 2°C | 99 mm | 12 | – | – | 5.8 |
| May | 20°C | 9°C | 104 mm | 12 | – | – | 6.9 |
| June | 24°C | 14°C | 117 mm | 13 | – | – | 7.2 |
| July | 26°C | 17°C | 107 mm | 13 | – | – | 7.2 |
| August | 25°C | 16°C | 108 mm | 13 | – | – | 7.3 |
| September | 21°C | 11°C | 96 mm | 10 | – | – | 7.5 |
| October | 13°C | 5°C | 114 mm | 12 | – | – | 5.9 |
| November | 6°C | -1°C | 85 mm | 12 | – | – | 4.7 |
| December | 0°C | -8°C | 84 mm | 13 | – | – | 3.4 |
Frequently asked questions
How hot is Saint-Jean-sur-Richelieu in May?
Daytime highs average 20°C and nights about 9°C.
When is the best time to visit Saint-Jean-sur-Richelieu?
The best months are September, August, June, July.