St. John's weather in June
June in St. John's: hot, a little rain, with very humid — an excellent time to visit.
#7 of 12 months in St. John's · #265 of 604 destinations to visit in June · comfort 84/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
St. John's climate normals — June
| Daytime high | 29°C / 84°F | 🥵 hot |
|---|---|---|
| Nighttime low | 26°C / 80°F | |
| Feels like (high) | 32°C / 90°F | |
| Rainfall | 49 mm / 1.9 in | 🌦 some rain |
| Rainy days | 11 days | |
| Humidity | 76% | 💦 very humid |
| Dew point | 23°C / 74°F | |
| Sunshine | 11.8 h/day | |
| Daylight | 13.1 h | |
| Wind | 30 km/h / 19 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is St. John's?
Loading map…
St. John's in June — FAQ
- Is June a good time to visit St. John's?
- June in St. John's: hot, a little rain, with very humid — an excellent time to visit. It ranks #7 of 12 months for St. John's on SeasonMap's comfort score (84/100).
- What is the weather like in St. John's in June?
- In June, St. John's averages a daily high of 28.9°C and a low of 26.4°C, with about 48.8 mm of rain over roughly 11 rainy days.
- What is the air quality in St. John's in June?
- St. John's has a mean US Air Quality Index of about 52 in June.