Year-round weather and climate in St. John's, Canada
Average temperatures in St. John's run from an average low of -7°C19°F in February up to an average high of 21°C70°F in July. July is the driest month at 11 rainy days; November the wettest at 18 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 111K
- Currency
- CAD
- Language
- English / French
- Time zone
- St Johns
Best time to visit
For the warmest temperatures and best chance of outdoor activities, plan your trip around July, August, and September.
Rain character
Tropical Downpours: Expect intense bursts of rain during wetter months. Pack quick-drying footwear and a compact umbrella.
Day-to-night swing
Evening Chill: Temperatures drop by a noticeable <span class="val-c">7°C</span><span class="val-f">13°F</span> when the sun goes down. A light sweater or jacket is usually all you need for evening plans.
Seasonality Profile
Deep Continental: Dominated by long, freezing winters. Summers are brief but pleasantly mild.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in St. John's, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Jul is typically driest at 11 rainy days (90mm); Nov the wettest at 18 rainy days (216mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 1°C / 33°F | -4°C / 24°F | 3h | 14 | 146mm |
| Feb | -1°C / 31°F | -7°C / 20°F | 4h | 14 | 153mm |
| Mar | 2°C / 36°F | -3°C / 26°F | 5h | 17 | 124mm |
| Apr | 5°C / 41°F | -1°C / 31°F | 6h | 14 | 117mm |
| May | 9°C / 49°F | 2°C / 36°F | 7h | 14 | 112mm |
| Jun | 16°C / 60°F | 8°C / 47°F | 7h | 14 | 136mm |
| Jul | 21°C / 71°F | 15°C / 58°F | 9h | 11 | 90mm |
| Aug | 20°C / 69°F | 14°C / 57°F | 8h | 13 | 120mm |
| Sep | 17°C / 63°F | 11°C / 52°F | 7h | 11 | 55mm |
| Oct | 12°C / 53°F | 7°C / 44°F | 5h | 11 | 104mm |
| Nov | 7°C / 44°F | 3°C / 37°F | 3h | 18 | 216mm |
| Dec | 4°C / 38°F | -2°C / 28°F | 3h | 15 | 137mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit St. John's?
July is the sunniest month in St. John's, averaging 9 hours of sunshine a day. Pack a pair of sunglasses for clear days.
What clothes should I pack for St. John's?
Your packing list depends entirely on when you travel. Temperatures in St. John's swing from an average low of -7°C19°F in February up to 21°C70°F in July. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for St. John's?
St. John's gets rain on about 166 days a year, with November being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in St. John's with Packola.
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