Renfrew (ON) Weather & Climate: Best Time to Visit

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

Full Climate overview Temperature Rainfall
Current conditions Renfrew –  

Climate overview of Renfrew

The climate in Renfrew, Ontario, Canada, is marked by large temperature swings across the seasons, ranging from 27°C (81°F) in July to -4°C (25°F) in January.

The city receives around 991 mm (39 in) of rain/snowfall per year. It experiences warm summers and very cold winters. June is the wettest month and February the driest.

Renfrew Weather by Month

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

Monthly Temperature in Renfrew

In Renfrew, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 27°C (81°F) in July to a very cold -4°C (25°F) in January.

Nighttime temperatures range from 15°C (59°F) in July to -15°C (5°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Renfrew

On average, Renfrew receives a reasonable amount of rain/snowfall, with an annual precipitation of 991 mm (39 in). The wettest period in Renfrew occurs in June, which receives around 99 mm (3.9 in) of precipitation. During the driest month, February, Renfrew experiences moderate snowfall, totaling 61 mm (2.4 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Renfrew Precipitation page.

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

Best Time to Visit Renfrew

For comfortable weather, consider visiting Renfrew in May, June, July, August and September. Conditions are usually least favourable 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: May, June, July, August and September
  • Warmest weather: July and August
  • Seasonal pattern: Warm summers and very cold winters
  • Coldest conditions: January, with freezing nights around -15°C (5°F).

Frequently asked questions about the climate in Renfrew

What is the best time to visit Renfrew?

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

What temperatures can I expect in Renfrew?

Daytime highs range from -4°C (25°F) in January to 27°C (81°F) in July. Nighttime lows range from -15°C (5°F) to 15°C (59°F). Temperatures vary considerably through the year.

How much rain does Renfrew get?

Annual rainfall is around 991 mm (39 in). June is the wettest month with 99 mm (3.9 in), while February is the driest with 61 mm (2.4 in).

Renfrew 3-Day Forecast

Renfrew on the map

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