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Rothesay (NB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Rothesay.
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Climate overview of Rothesay
Temperatures in Rothesay, New Brunswick, Canada, vary greatly throughout the year. August is the hottest month at 22°C (72°F), while January is the coldest at -1°C (30°F).
Rain/snowfall is high, totalling around 1313 mm (52 in) per year. December is the wettest month and August the driest. The city also experiences warm summers and very cold winters.
Rothesay Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rothesay - and find the best time to visit.
Monthly Temperature in Rothesay
The climate in Rothesay is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a comfortable 22°C (72°F) in August, the warmest time of the year, to a very cold -1°C (30°F) during cooler months like January.
At night, you can expect temperatures ranging from 15°C (59°F) in August to around -11°C (12°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Rothesay
Rothesay has a notably wet climate with abundant precipitation, recording 1313 mm (52 in) of rain/snowfall per year. Year-round, Rothesay has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 132 mm (5.2 in), and the driest month, August, with 84 mm (3.3 in), is minimal. For more details, please visit our Rothesay Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Rothesay
For comfortable weather, consider visiting Rothesay in July and August. Conditions are usually least favourable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
cold
Mar
cold
Apr
wet
May
mixed
Jun
good
Jul
excellent
Aug
excellent
Sep
good
Oct
wet
Nov
wet
Dec
cold
- Best overall: July and August
- Warmest weather: July and August
- Seasonal pattern: Warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -11°C (12°F).
Frequently asked questions about the climate in Rothesay
What is the best time to visit Rothesay?
July and August typically offer the most optimal weather in Rothesay. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Rothesay has warm summers and very cold winters.
What temperatures can I expect in Rothesay?
Daytime highs range from -1°C (30°F) in January to 22°C (72°F) in August. Nighttime lows range from -11°C (12°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Rothesay get?
Annual rainfall is around 1313 mm (52 in). December is the wettest month with 132 mm (5.2 in), while August is the driest with 84 mm (3.3 in). In the coldest months, precipitation may fall as snow/rain.
Rothesay 3-Day Forecast
Rothesay on the map
Rothesay is highlighted - select any city to see its climate.
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Toronto
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