Best Time to Visit Dartmouth
Best time: Jul, Aug, Jun, Sep.
Jul is warmest (23.4°C high); Dec is rainiest (150 mm).
Dartmouth weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | -0.6 | -9.9 | 136 | 2.3 |
| Feb | -0.3 | -9.6 | 112 | 3.7 |
| Mar | 3.5 | -5.2 | 130 | 5.4 |
| Apr | 8.7 | 0.2 | 114 | 6.8 |
| May | 14.7 | 5.1 | 113 | 8.2 |
| Jun | 19.9 | 9.9 | 106 | 9.2 |
| Jul | 23.4 | 13.6 | 103 | 9.1 |
| Aug | 23.4 | 14.1 | 100 | 8.1 |
| Sep | 19.5 | 10.3 | 97 | 6.3 |
| Oct | 13.6 | 4.9 | 128 | 4 |
| Nov | 8 | 0.4 | 144 | 2.4 |
| Dec | 2.3 | -6.1 | 150 | 1.8 |
Average high temperature
Best months by activity
Overall: JulAugJunSep
Beaches: JulAugJunSep
Hiking: JunJulMayAug
Sightseeing: JulJunAugSep
Dartmouth quick facts
What to pack
Cold months (Jan, Feb, Mar, Apr, Nov, Dec): warm layers and a coat.
Wet months (Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Dartmouth?
Jul, Aug, Jun, Sep.
What is the rainiest month?
Dec, about 150 mm.
What is the warmest month?
Jul, with average highs of 23.4°C.
Where to stay
See Dartmouth hotels · Book Dartmouth tours & activities
All destinations · Best time to visit Toronto · Best time to visit Abbotsford · Best time to visit Ahuntsic-Cartierville · Best time to visit Ajax
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.