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Sidney (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Sidney.
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Climate overview of Sidney
Temperatures in Sidney, British Columbia, Canada, vary greatly throughout the year. August is the hottest month at 21°C (70°F), while December is the coldest at 8°C (46°F).
The city receives considerable rainfall, with around 1133 mm (45 in) annually. November is the wettest month. It has a distinct dry season from June to August, with pleasant summers and cold winters. July is the sunniest month, averaging 11.0 hours of sunshine per day.
Sidney Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Sidney - and find the best time to visit.
Monthly Temperature in Sidney
The climate in Sidney is known for significant temperature differences throughout the year, making the weather dynamic. Typically, average maximum daytime temperatures range from a pleasant 21°C (70°F) in August to a chilly 8°C (46°F) in the coolest month, December.
Nights vary from 14°C (57°F) in August to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Sidney
Sidney has a notably wet climate with abundant precipitation, recording 1133 mm (45 in) of rainfall per year. The climate in Sidney shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 175 mm (6.9 in) of precipitation over 19 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 21 mm (0.8 in) of rainfall over 6 rainy days. For more details, please visit our Sidney 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 Sidney
For those who appreciate different seasons, Sidney serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 11.0 hours of sunshine daily, and embrace the darker days in December, offering only 2.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Victoria, Canada (24 KM, 15 Miles).
Daily hours of sunshine
Data from: Victoria, Canada (24 KM, 15 Miles).
Daily percentage of sunshine
Data from: Victoria, Canada (24 KM, 15 Miles).
Humidity in Sidney by Month
The relative humidity is high throughout the year in Sidney.
The city experiences its highest humidity in January, reaching 78%. In July, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Victoria, Canada (24 KM, 15 Miles).
Best Time to Visit Sidney
Conditions in Sidney are generally most comfortable in July and 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.
Jan
wet
Feb
wet
Mar
wet
Apr
mixed
May
good
Jun
very good
Jul
excellent
Aug
excellent
Sep
very good
Oct
mixed
Nov
wet
Dec
wet
- Best overall: July and August
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: July and August
- Wettest months: January, February, March, October, November and December, when rainfall is highest.
- Seasonal pattern: A distinct dry season from June to August, with pleasant summers and cold winters
Frequently asked questions about the climate in Sidney
What is the best time to visit Sidney?
July and August typically offer the most optimal weather in Sidney. In contrast, January, February, March, November and December tend to have less optimal conditions. Sidney has a distinct dry season from June to August, with pleasant summers and cold winters.
What temperatures can I expect in Sidney?
Daytime highs range from 8°C (46°F) in December to 21°C (70°F) in August. Nighttime lows range from 3°C (37°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Sidney get?
Annual rainfall is around 1133 mm (45 in). November is the wettest month with 175 mm (6.9 in), while July is the driest with 21 mm (0.8 in).
How sunny is Sidney?
Sidney receives around 2,220 hours of sunshine per year. July is the sunniest month with 330 hours, while December is the cloudiest with just 70 hours. Overall, Sidney enjoys abundant sunshine.
Sidney 3-Day Forecast
Sidney on the map
Sidney is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Toronto
16°C (61°F) Niagara Falls15°C (59°F) Montréal14°C (57°F) Ottawa14°C (57°F) Vancouver
14°C (57°F) Quebec City12°C (54°F) Calgary
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