Westlock (AB) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Westlock.
Climate overview of Westlock
The climate in Westlock, Alberta, Canada, is marked by large temperature swings across the seasons, ranging from 24°C (75°F) in July to -7°C (19°F) in January.
Westlock sees a moderate amount of rain/snowfall, totalling around 520 mm (20 in) per year. It experiences a distinct dry season from October to April, with warm summers and very cold winters, creating some seasonal variation. July is the sunniest month, averaging 10.2 hours of sunshine per day.
Westlock Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Westlock - and find the best time to visit.
Monthly Temperature in Westlock
In Westlock, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a comfortable 24°C (75°F) in July, the warmest time of the year, to a very cold -7°C (19°F) during cooler months like January.
At night, you can expect temperatures ranging from 11°C (52°F) in July to around -17°C (1°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Westlock
On average, Westlock receives a reasonable amount of rain/snowfall, with an annual precipitation of 520 mm (20 in). Significant seasonal changes in precipitation occur throughout the year. In the wettest month, July it receives moderate rainfall, averaging 98 mm (3.9 in) of precipitation, recorded across 14 rainy days. In contrast, the driest month February brings less snowfall, with 17 mm (0.7 in) over 8 snowy days. For more details, please visit our Westlock 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 Westlock
Seasonal changes in sunshine hours are quite dramatic in Westlock. While July receives considerable daily sunshine with up to 10.2 hours, December marks the darkest time of the year, where sunshine is scarce with only 2.8 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 Westlock by Month
The relative humidity is moderate throughout the year in Westlock.
The city experiences its highest humidity in January, reaching 65%. In May, the humidity drops to its lowest level at 40%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Westlock
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Fewest rainy days: March, April, October and November
- Seasonal pattern: A distinct dry season from October to April, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -17°C (1°F).
Frequently asked questions about the climate in Westlock
What is the best time to visit Westlock?
June, July and August typically offer the most optimal weather in Westlock. In contrast, January, February, March, April, November and December tend to have less optimal conditions. Westlock has a distinct dry season from October to April, with warm summers and very cold winters.
What temperatures can I expect in Westlock?
Daytime highs range from -7°C (19°F) in January to 24°C (75°F) in July. Nighttime lows range from -17°C (1°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Westlock get?
Annual rainfall is around 520 mm (20 in). July is the wettest month with 98 mm (3.9 in), while February is the driest with 17 mm (0.7 in).
How sunny is Westlock?
Westlock receives around 2,339 hours of sunshine per year. July is the sunniest month with 307 hours, while December is the cloudiest with just 84 hours. Overall, Westlock enjoys abundant sunshine.
Westlock 3-Day Forecast
Westlock on the map
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