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Shirley (BC) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Shirley.
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Climate overview of Shirley
The climate in Shirley, British Columbia, Canada, is marked by large temperature swings across the seasons, ranging from 20°C (68°F) in August to 7°C (45°F) in December.
The city receives considerable rainfall, with around 1769 mm (70 in) annually. November is the wettest month. It has a distinct rainy season from October to March, with pleasant summers and cold winters. July is the sunniest month, averaging 11.0 hours of sunshine per day.
Shirley Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Shirley - and find the best time to visit.
Monthly Temperature in Shirley
In Shirley, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a pleasant 20°C (68°F) in August to a chilly 7°C (45°F) in the coolest month, December.
Nights vary from 12°C (54°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 Shirley
Shirley experiences significant rainfall throughout the year, averaging 1769 mm (70 in) of precipitation annually. The climate in Shirley shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 274 mm (11 in) of precipitation over 20 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 28 mm (1.1 in) of rainfall over 7 rainy days. For more details, please visit our Shirley 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 Shirley
For those who appreciate different seasons, Shirley 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 (40 KM, 24 Miles).
Daily hours of sunshine
Data from: Victoria, Canada (40 KM, 24 Miles).
Daily percentage of sunshine
Data from: Victoria, Canada (40 KM, 24 Miles).
Humidity in Shirley by Month
The relative humidity is high throughout the year in Shirley.
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 (40 KM, 24 Miles).
Best Time to Visit Shirley
The most comfortable overall weather for exploring Shirley is usually found in July and August. Conditions are generally 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 wet
Feb
wet
Mar
wet
Apr
wet
May
good
Jun
good
Jul
excellent
Aug
excellent
Sep
very good
Oct
wet
Nov
very wet
Dec
very 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 rainy season from October to March, with pleasant summers and cold winters
Frequently asked questions about the climate in Shirley
What is the best time to visit Shirley?
July and August typically offer the most optimal weather in Shirley. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Shirley has a distinct rainy season from October to March, with pleasant summers and cold winters.
What temperatures can I expect in Shirley?
Daytime highs range from 7°C (45°F) in December to 20°C (68°F) in August. Nighttime lows range from 3°C (37°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does Shirley get?
Annual rainfall is around 1769 mm (70 in). November is the wettest month with 274 mm (11 in), while July is the driest with 28 mm (1.1 in).
How sunny is Shirley?
Shirley 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, Shirley enjoys abundant sunshine.
Shirley 3-Day Forecast
Shirley on the map
Shirley 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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