Saint John in May
5.6out of 10
Possible, with caveats
Cool: highs only around 11°C. Frequent rain: about 12 rainy days.
11°CAvg high
6°CAvg low
12Rainy days (103 mm)
14:41 hDaylight
06:00Sunrise · 20:41 Sunset
Why this score
- Cool: highs only around 11°C
- Frequent rain: about 12 rainy days
What to wear and pack
- A warm jacket
- Rain jacket or compact umbrella
How reliable is the forecast?
Rainfall in May is fairly consistent from year to year (2.4 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 | -2°C | -9°C | 112 mm | 12 | – | – | 3.4 |
| February | -1°C | -8°C | 96 mm | 10 | – | – | 3.7 |
| March | 2°C | -4°C | 112 mm | 12 | – | – | 3.8 |
| April | 6°C | 1°C | 105 mm | 12 | – | – | 4.7 |
| May | 11°C | 6°C | 103 mm | 12 | – | – | 5.6 |
| June | 15°C | 11°C | 108 mm | 12 | – | – | 6.3 |
| July | 18°C | 14°C | 91 mm | 11 | – | – | 7.0 |
| August | 19°C | 15°C | 81 mm | 9 | – | – | 7.4 |
| September | 16°C | 12°C | 108 mm | 10 | – | – | 6.7 |
| October | 12°C | 7°C | 133 mm | 11 | – | – | 5.8 |
| November | 7°C | 2°C | 128 mm | 11 | – | – | 4.9 |
| December | 2°C | -4°C | 137 mm | 13 | – | – | 3.5 |
Frequently asked questions
How hot is Saint John in May?
Daytime highs average 11°C and nights about 6°C.
When is the best time to visit Saint John?
The best months are August, July.