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

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

Climate overview of Fredericton

Temperatures in Fredericton, New Brunswick, Canada, vary greatly throughout the year. July is the hottest month at 26°C (79°F), while January is the coldest at -3°C (27°F).

With around 1225 mm (48 in) of annual rain/snowfall, Fredericton has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and very cold winters. The wettest month is December.

Fredericton Weather by Month

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

Monthly Temperature in Fredericton

The climate in Fredericton is known for significant temperature differences throughout the year, making the weather dynamic. 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 Fredericton

Fredericton has a notably wet climate with abundant precipitation, recording 1225 mm (48 in) of rain/snowfall per year. Despite minor fluctuations, Fredericton enjoys fairly consistent precipitation throughout the year. In December, you can expect around 117 mm (4.6 in) of precipitation, while in August, Fredericton receives about 89 mm (3.5 in). For more details, please visit our Fredericton Precipitation page.

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

Best Time to Visit Fredericton

Conditions in Fredericton are generally most comfortable in August. They are typically least comfortable in January, February, March, 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: August
  • Warmest weather: July and August
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -14°C (7°F).

Frequently asked questions about the climate in Fredericton

What is the best time to visit Fredericton?

August typically offers the most optimal weather in Fredericton. In contrast, January, February, March, November and December tend to have less optimal conditions. Fredericton has warm summers and very cold winters.

What temperatures can I expect in Fredericton?

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 Fredericton get?

Annual rainfall is around 1225 mm (48 in). December is the wettest month with 117 mm (4.6 in), while August is the driest with 89 mm (3.5 in). In the coldest months, precipitation may fall as snow.

Fredericton 3-Day Forecast

Fredericton on the map

Fredericton is highlighted - select any city to see its climate.

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