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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Canada Scope Weather Desk. Data from Environment and Climate Change Canada and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Rothesay’s weather is shaped by its position on the Kennebecasis River, with the live forecast above showing today’s conditions. Expect a humid continental climate where warm, humid summers give way to cold, snowy winters, and spring and fall bring rapid shifts.
What makes Rothesay’s weather different from nearby areas?
Rothesay sits in a river valley, which can trap cooler air in winter and create fog in spring and autumn. Compared to the open terrain of weather Moncton, Rothesay often sees slightly milder daytime highs in summer but more persistent cloud cover. The Bay of Fundy’s influence moderates extremes, though the town still gets the full range of Atlantic Canadian seasons.
How does the weather change through the year?
January averages around -8°C, while July highs reach about 25°C. Snowfall totals roughly 200 centimetres annually, with the heaviest snow in January and February. Spring arrives slowly, with frost possible into May, and autumn offers crisp, clear days before November’s rain and early snow. For a detailed look ahead, check weather Rothesay hourly or the weather Rothesay NB 7 day forecast.
What is the best time to visit Rothesay for mild weather?
Late June through early September offers the most reliable warmth, with daytime highs between 22°C and 27°C. July and August are the driest summer months, though afternoon thunderstorms are common.
Does Rothesay get extreme winter storms?
Yes, nor’easters can bring heavy snow and strong winds, especially from December to March. The weather warning system from Environment Canada is your best tool for staying ahead of these events.
How accurate are the 14-day forecasts for Rothesay?
Beyond seven days, accuracy drops significantly. The weather Rothesay 14 days outlook gives a general trend, but day-to-day details become unreliable after day 10. Stick to the 7-day forecast for planning.