Mouth of Keswick (NB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Mouth of Keswick.
Climate overview of Mouth of Keswick
The climate in Mouth of Keswick, New Brunswick, Canada, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to -3°C (27°F) in January.
With around 1236 mm (49 in) of annual rain/snowfall, Mouth of Keswick has a notably wet climate. The wettest month is December.
Mouth of Keswick Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mouth of Keswick — and find the best time to visit.
Monthly Temperature in Mouth of Keswick
In Mouth of Keswick, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 26°C (79°F) in July. In January, the coolest month of the year, temperatures drop to a very cold -3°C (27°F).
At night, temperatures range from around 14°C (57°F) in July to -14°C (7°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Mouth of Keswick
Mouth of Keswick experiences significant rain/snowfall throughout the year, averaging 1236 mm (49 in) of precipitation annually. Despite minor fluctuations, Mouth of Keswick enjoys fairly consistent precipitation throughout the year. In December, you can expect around 117 mm (4.6 in) of precipitation, while in August, Mouth of Keswick receives about 92 mm (3.6 in). For more details, please visit our Mouth of Keswick 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 Mouth of Keswick
Frequently asked questions about the climate in Mouth of Keswick
What is the best time to visit Mouth of Keswick?
August typically offers the most optimal weather in Mouth of Keswick. In contrast, January, February, March, November and December tend to have less optimal conditions.
What temperatures can I expect in Mouth of Keswick?
Daytime highs range from -3°C (27°F) in January to 26°C (79°F) in July. Nighttime lows range from -14°C (7°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Mouth of Keswick get?
Annual rainfall is around 1236 mm (49 in). December is the wettest month with 117 mm (4.6 in), while August is the driest with 92 mm (3.6 in). In the coldest months, precipitation may fall as snow.
Mouth of Keswick 3-Day Forecast
Mouth of Keswick (NB) 3-Day Forecast
Mouth of Keswick on the map
Mouth of Keswick is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Niagara Falls
27°C (81°F) Montréal28°C (82°F) Ottawa27°C (81°F) Quebec City
26°C (79°F) Toronto26°C (79°F) Calgary24°C (75°F) Vancouver22°C (72°F) Whistler
19°C (66°F) 
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