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Carnarvon (ON) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Carnarvon.
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Climate overview of Carnarvon
Carnarvon, Ontario, Canada, experiences significant temperature variation throughout the year. Summers bring daytime highs of 25°C (77°F) in July, while winters cool to -4°C (25°F) in January.
Rain/snowfall is high, totalling around 1101 mm (43 in) per year. June is the wettest month and February the driest. The city also experiences warm summers and very cold winters.
Carnarvon Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Carnarvon - and find the best time to visit.
Monthly Temperature in Carnarvon
Depending on the time of the year, temperatures range from comfortable to very cold in Carnarvon. Average maximum daytime temperatures range from a comfortable 25°C (77°F) in July, the warmest time of the year, to a very cold -4°C (25°F) during cooler months like January.
At night, you can expect temperatures ranging from 14°C (57°F) in July to around -14°C (7°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Carnarvon
Carnarvon has a relatively rain/snowy climate with high precipitation levels, averaging 1101 mm (43 in) of rain/snowfall annually. Year-round, Carnarvon has a balanced climate with minimal variation in precipitation. The difference between the wettest month, June, with 108 mm (4.3 in), and the driest month, February, with 68 mm (2.7 in), is minimal. For more details, please visit our Carnarvon 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 Carnarvon
Conditions in Carnarvon are generally most comfortable in July. They are typically least comfortable in January, February, March, April, October, November and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very cold
Feb
very cold
Mar
cold
Apr
cold
May
very good
Jun
very good
Jul
excellent
Aug
very good
Sep
very good
Oct
wet
Nov
cold
Dec
very cold
- Best overall: July
- Warmest weather: July and August
- Fewest rainy days: April, May, June and July
- 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 Carnarvon
What is the best time to visit Carnarvon?
July typically offers the most optimal weather in Carnarvon. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Carnarvon has warm summers and very cold winters.
What temperatures can I expect in Carnarvon?
Daytime highs range from -4°C (25°F) in January to 25°C (77°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 Carnarvon get?
Annual rainfall is around 1101 mm (43 in). June is the wettest month with 108 mm (4.3 in), while February is the driest with 68 mm (2.7 in).
Carnarvon 3-Day Forecast
Carnarvon on the map
Carnarvon is highlighted - select any city to see its climate.
Popular in September
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