When to go · Marathon
Marathon, month by month
The best months for Marathon: Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Mar, Apr, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Apr (snow, closures, some services shut).-8 °C (18 °F) / -19 °C (−2 °F), 12 rain days18 °F (-8 °C) / −2 °F (-19 °C), 12 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Apr (snow, closures, some services shut).-6 °C (21 °F) / -18 °C (0 °F), 10 rain days21 °F (-6 °C) / 0 °F (-18 °C), 10 rain daysCrowds: Low
- MarchAvoidListed as a month to avoid: Nov–Apr (snow, closures, some services shut).0 °C (32 °F) / -11 °C (12 °F), 10 rain days32 °F (0 °C) / 12 °F (-11 °C), 10 rain daysCrowds: Low
- AprilAvoidListed as a month to avoid: Nov–Apr (snow, closures, some services shut).8 °C (46 °F) / -3 °C (27 °F), 9 rain days46 °F (8 °C) / 27 °F (-3 °C), 9 rain daysCrowds: Low
- MayGoodOutside the best window (Jun–Sep). Across Canada: Victoria Day weekend opens the season; Rockies lakes still frozen at altitude.15 °C (59 °F) / 3 °C (37 °F), 11 rain days59 °F (15 °C) / 37 °F (3 °C), 11 rain daysCrowds: Medium
- JuneGreatInside Marathon's best window: Jun–Sep.20 °C (68 °F) / 8 °C (46 °F), 12 rain days68 °F (20 °C) / 46 °F (8 °C), 12 rain daysCrowds: Medium · 1 festival or holiday
- JulyGreatInside Marathon's best window: Jun–Sep.23 °C (73 °F) / 11 °C (52 °F), 11 rain days73 °F (23 °C) / 52 °F (11 °C), 11 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Marathon's best window: Jun–Sep.22 °C (72 °F) / 11 °C (52 °F), 11 rain days72 °F (22 °C) / 52 °F (11 °C), 11 rain daysCrowds: High
- SeptemberGreatInside Marathon's best window: Jun–Sep.17 °C (63 °F) / 7 °C (45 °F), 13 rain days63 °F (17 °C) / 45 °F (7 °C), 13 rain daysCrowds: Medium
- OctoberGoodOutside the best window (Jun–Sep). Across Canada: Foliage in Ontario, Québec and the Maritimes early in the month; mountain roads get snow.10 °C (50 °F) / 2 °C (36 °F), 13 rain days50 °F (10 °C) / 36 °F (2 °C), 13 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Apr (snow, closures, some services shut).2 °C (36 °F) / -6 °C (21 °F), 13 rain days36 °F (2 °C) / 21 °F (-6 °C), 13 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Nov–Apr (snow, closures, some services shut).-5 °C (23 °F) / -15 °C (5 °F), 13 rain days23 °F (-5 °C) / 5 °F (-15 °C), 13 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Marathon, side by side.
Verdict
Jun: Great
Jul: Great
Daytime high
Jun: 20 °C (68 °F)68 °F (20 °C)
Jul: 23 °C (73 °F)73 °F (23 °C)
Night low
Jun: 8 °C (46 °F)46 °F (8 °C)
Jul: 11 °C (52 °F)52 °F (11 °C)
Rain days
Jun: 12
Jul: 11 (better)
Crowds
Jun: Medium
Jul: High
Prices
Jun: Medium
Jul: High
Festivals listed
Jun: 1
Jul: 1
June: Inside Marathon's best window: Jun–Sep.
July: Inside Marathon's best window: Jun–Sep.
Marathon: figures are long-term averages from this guide, not a forecast.