Year-round weather and climate in Dartmouth, Canada
Average temperatures in Dartmouth run from an average low of -9°C16°F in February up to an average high of 24°C75°F in July. September is the driest month at 8 rainy days; January the wettest at 14 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 101K
- Currency
- CAD
- Language
- English / French
- Time zone
- Halifax
Best time to visit
The most pleasant weather falls in July, August, and September, offering a perfect balance of comfortable temperatures and clear skies.
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">9°C</span><span class="val-f">16°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 Dartmouth, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Sep is typically driest at 8 rainy days (82mm); Jan the wettest at 14 rainy days (136mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 2°C / 35°F | -5°C / 23°F | 4h | 14 | 136mm |
| Feb | 1°C / 33°F | -9°C / 17°F | 6h | 12 | 125mm |
| Mar | 5°C / 42°F | -2°C / 28°F | 6h | 14 | 134mm |
| Apr | 10°C / 50°F | 1°C / 34°F | 9h | 12 | 89mm |
| May | 15°C / 59°F | 6°C / 43°F | 9h | 11 | 85mm |
| Jun | 20°C / 68°F | 12°C / 53°F | 9h | 12 | 183mm |
| Jul | 24°C / 76°F | 17°C / 62°F | 9h | 13 | 140mm |
| Aug | 23°C / 74°F | 16°C / 60°F | 10h | 11 | 135mm |
| Sep | 21°C / 70°F | 13°C / 56°F | 9h | 8 | 82mm |
| Oct | 16°C / 60°F | 8°C / 47°F | 8h | 10 | 127mm |
| Nov | 8°C / 46°F | 2°C / 36°F | 5h | 9 | 137mm |
| Dec | 3°C / 38°F | -4°C / 25°F | 4h | 13 | 153mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Dartmouth?
August is the sunniest month in Dartmouth, averaging 10 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.
What clothes should I pack for Dartmouth?
Your packing list depends entirely on when you travel. Temperatures in Dartmouth swing from an average low of -9°C16°F in February up to 24°C75°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 Dartmouth?
Dartmouth gets rain on about 139 days a year, with January 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 Dartmouth with Packola.
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