Perth (NB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Perth.
Climate overview of Perth
Perth, New Brunswick, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 25°C (77°F) in July, while winters cool to -6°C (21°F) in January.
The city has a wet climate, receiving around 1205 mm (47 in) of rain/snowfall per year. July is the wettest month.
Perth Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Perth — and find the best time to visit.
Monthly Temperature in Perth
Depending on the time of the year, temperatures range from comfortable to very cold in Perth. On average, daytime temperatures range from a comfortable 25°C (77°F) in July to a very cold -6°C (21°F) in January.
Nighttime temperatures range from 13°C (55°F) in July to -17°C (1°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Perth
Perth has a relatively rain/snowy climate with high precipitation levels, averaging 1205 mm (47 in) of rain/snowfall annually. The wettest period in Perth occurs in July, which receives around 115 mm (4.5 in) of precipitation. During the driest month, February, Perth experiences moderate snowfall, totaling 82 mm (3.2 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Perth 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 Perth
Rainfall during this time ranges from 100 mm (3.9 in) in August to 115 mm (4.5 in) in July. This means you can expect a mix of sunny days and occasional showers. Need help choosing your next travel destination? We offer a specialized tool that matches you with locations based on your weather preferences. Explore destinations that suit your climate preferences.
Frequently asked questions about the climate in Perth
What is the best time to visit Perth?
June, July, August and September typically offer the most optimal weather in Perth. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions.
What temperatures can I expect in Perth?
Daytime highs range from -6°C (21°F) in January to 25°C (77°F) in July. Nighttime lows range from -17°C (1°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Perth get?
Annual rainfall is around 1205 mm (47 in). July is the wettest month with 115 mm (4.5 in), while February is the driest with 82 mm (3.2 in).
Perth 3-Day Forecast
Perth (NB) 3-Day Forecast
Perth on the map
Perth is highlighted — select any city to see its climate.
Popular this month
Where to go in June — average daytime high across popular destinations.
Montréal
25°C (77°F) Niagara Falls
25°C (77°F) Ottawa25°C (77°F) Quebec City
23°C (73°F) Toronto22°C (72°F) Calgary20°C (68°F) Vancouver19°C (66°F) Whistler15°C (59°F) 
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