Moncton (NB) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Moncton.

Climate overview of Moncton

Moncton, New Brunswick, Canada, sees big temperature differences between seasons, with July peaking at 25°C (77°F) and January dropping to -2°C (28°F).

Rain/snowfall is high, totalling around 1154 mm (45 in) per year. December is the wettest month and August the driest. The city also experiences warm summers and very cold winters. The most sunshine falls in July, with an average of 8.5 hours of daily sunshine.

Moncton Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Moncton - and find the best time to visit.

Monthly Temperature in Moncton

Visitors to Moncton can expect significant temperature changes throughout the year. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in July, the warmest time of the year, to a very cold -2°C (28°F) during cooler months like January.

At night, you can expect temperatures ranging from 14°C (57°F) in July to around -13°C (9°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Moncton

Moncton is known for its substantial rain/snowfall, with annual precipitation reaching 1154 mm (45 in). Year-round, Moncton has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 115 mm (4.5 in), and the driest month, August, with 80 mm (3.1 in), is minimal. For more details, please visit our Moncton Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Moncton

Seasonal changes in sunshine hours are quite dramatic in Moncton. While July receives considerable daily sunshine with up to 8.5 hours, November marks the darkest time of the year, where sunshine is scarce with only 3.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Best Time to Visit Moncton

Conditions in Moncton are generally most comfortable in June, July, August and September. They are typically least comfortable in January, February, March, April, November and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: June, July, August and September
  • Warmest weather: July and August
  • Most sunshine: July
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -13°C (9°F).

Frequently asked questions about the climate in Moncton

What is the best time to visit Moncton?

June, July, August and September typically offer the most optimal weather in Moncton. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Moncton has warm summers and very cold winters.

What temperatures can I expect in Moncton?

Daytime highs range from -2°C (28°F) in January to 25°C (77°F) in July. Nighttime lows range from -13°C (9°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Moncton get?

Annual rainfall is around 1154 mm (45 in). December is the wettest month with 115 mm (4.5 in), while August is the driest with 80 mm (3.1 in). In the coldest months, precipitation may fall as snow.

How sunny is Moncton?

Moncton receives around 1,998 hours of sunshine per year. July is the sunniest month with 256 hours, while November is the cloudiest with just 95 hours.

Moncton 3-Day Forecast

Moncton on the map

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