Farnham Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Farnham.
Climate overview of Farnham
Farnham, located in the Eastern Townships of Canada, offers visitors a mix of rural landscapes, vineyards, and a small-town feel. The weather here changes significantly over the course of the year. Summers are typically warm, while winters can be very cold with regular snowfall. The area also receives a good amount of precipitation year-round, including both rain and snow. Let’s explore the climate details to provide you with a complete overview.
Farnham Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Farnham - and find the best time to visit.
Monthly Temperature in Farnham
The climate in Farnham is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 27°C (81°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 16°C (61°F) in July to -13°C (9°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Farnham
Farnham has a notably wet climate with abundant precipitation, recording 1241 mm (49 in) of rain/snowfall per year. Farnham experiences moderate seasonal variation in rainfall, with monthly averages ranging from 126 mm (5 in) in June, the wettest month, and 77 mm (3 in) in February, the driest month. For more details, please visit our Farnham Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Farnham
Farnham can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 9.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.7 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Farnham by Month
The relative humidity is high throughout the year in Farnham.
The city experiences its highest humidity in December, reaching 71%. In May, the humidity drops to its lowest level at 51%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Farnham
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
- 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 Farnham
What is the best time to visit Farnham?
May, June, July, August and September typically offer the most optimal weather in Farnham. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Farnham has warm summers and very cold winters.
What temperatures can I expect in Farnham?
Daytime highs range from -3°C (27°F) in January to 27°C (81°F) in July. Nighttime lows range from -13°C (9°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Farnham get?
Annual rainfall is around 1241 mm (49 in). June is the wettest month with 126 mm (5 in), while February is the driest with 77 mm (3 in).
How sunny is Farnham?
Farnham receives around 2,042 hours of sunshine per year. July is the sunniest month with 272 hours, while December is the cloudiest with just 80 hours. Overall, Farnham enjoys abundant sunshine.
Farnham 3-Day Forecast
Farnham on the map
Farnham is highlighted - select any city to see its climate.
Popular this month
Where to go in September - average daytime high across popular destinations.
Toronto
22°C (72°F) Niagara Falls23°C (73°F) Montréal
22°C (72°F) Ottawa22°C (72°F) Quebec City
20°C (68°F) Vancouver19°C (66°F) Calgary19°C (66°F) Whistler15°C (59°F) 
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