SeasonMapSt. John's, Newfoundland (St. John's) weather by month
Canada
The best time to visit St. John's, Newfoundland (St. John's) is June to August — 90/100 in July, 23°C and 10 rainy days. The best season is summer, June to August (86/100 on average).
The worst month is January at 33/100 — freezing, rainy, clean air. See January →
Updated September 2026 · climate normals from ERA5 reanalysis
Planning the wider trip? Best time to visit Canada →
St. John's, Newfoundland, month by month
Comfort score out of 100 for the kind of trip St. John's, Newfoundland is best for, the average high, rainy days and hours of sun a day from the climate normals, and how busy it tends to be.
| Month | Score | Tier | High | Rain | Sun | Crowds | On |
|---|---|---|---|---|---|---|---|
| JanJanuary | 33 | F | 2°C | 15 d | 4 h | Busy | 1 |
| FebFebruary | 38 | F | 1°C | 13 d | 5 h | Peak | 1 |
| MarMarch | 46 | F | 3°C | 14 d | 7 h | Busy | 1 |
| AprApril | 59 | D | 7°C | 13 d | 7 h | Shoulder | — |
| MayMay | 71 | B | 12°C | 12 d | 9 h | Shoulder | 3 |
| JunJune | 80 | A | 18°C | 11 d | 8 h | Busy | 4 |
| JulJuly | 90 | S | 23°C | 10 d | 9 h | Peak | 6 |
| AugAugust | 88 | A | 23°C | 10 d | 9 h | Peak | 4 |
| SepSeptember | 77 | B | 18°C | 10 d | 7 h | Busy | — |
| OctOctober | 66 | C | 13°C | 10 d | 6 h | Shoulder | — |
| NovNovember | 51 | D | 8°C | 16 d | 4 h | Shoulder | — |
| DecDecember | 36 | F | 3°C | 16 d | 4 h | Busy | — |
What's on in St. John's, Newfoundland through the year
Festivals, natural spectacles, holidays and the seasons to watch out for — curated and sourced. The month pages carry the detail.
- January
- Winter storm season1 Jan – 31 Mar (usually)Hazard
- May
- Iceberg season1 May – 10 Jul (usually)Nature
- Puffins at Witless Bay15 May – 15 Aug (usually)Nature
- Fog season15 May – 31 Jul (usually)Season
- June
- Humpbacks and the capelin roll1 Jun – 31 Aug (usually)Nature
- July
- George Street Festival29 Jul – 5 Aug (usually)Festival
- Memorial Day and Canada Day1 JulHoliday
- August
- Royal St John's Regatta3–9 Aug (usually)Festival
Everything on in St. John's, Newfoundland through the year →
Crowds in St. John's, Newfoundland in July
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Peak crowdsMemorial Day and Canada Day, George Street Festival, Summer break in Canada(estimated)
Peak crowdsBusyShoulder seasonQuiet
Traveller notes on St. John's, Newfoundland
What people who have been say about the place — the year-round notes first, then month by month.
Newfoundland's forum calls late July into August the best chance for good weather, typically around 20°C but genuinely variable — anything from a cool, wet day to full sun. Regulars are consistent that Newfoundland is rarely hot and often feels cooler than the number suggests thanks to the wind, so a rain coat and layers matter more than a summer wardrobe.
Add your own note from St. John's, Newfoundland's card on the map.