St. John's in May
5.5out of 10
Possible, with caveats
Cool: highs only around 9°C. Frequent rain: about 11 rainy days.
9°CAvg high
3°CAvg low
11Rainy days (73 mm)
14:55 hDaylight
05:30Sunrise · 20:24 Sunset
Why this score
- Cool: highs only around 9°C
- Frequent rain: about 11 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 (2.9 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 | 0°C | -6°C | 125 mm | 14 | – | – | 3.0 |
| February | -1°C | -7°C | 103 mm | 13 | – | – | 3.3 |
| March | 1°C | -5°C | 105 mm | 13 | – | – | 3.4 |
| April | 5°C | -1°C | 86 mm | 13 | – | – | 4.4 |
| May | 9°C | 3°C | 73 mm | 11 | – | – | 5.5 |
| June | 13°C | 7°C | 66 mm | 10 | – | – | 6.3 |
| July | 18°C | 12°C | 78 mm | 10 | – | – | 7.1 |
| August | 19°C | 13°C | 80 mm | 10 | – | – | 7.3 |
| September | 16°C | 10°C | 92 mm | 11 | – | – | 6.7 |
| October | 11°C | 6°C | 106 mm | 13 | – | – | 5.5 |
| November | 7°C | 2°C | 110 mm | 14 | – | – | 4.6 |
| December | 2°C | -2°C | 126 mm | 15 | – | – | 3.4 |
Frequently asked questions
How hot is St. John's in May?
Daytime highs average 9°C and nights about 3°C.
When is the best time to visit St. John's?
The best months are August, July, September.