Day
1 °C
Night
-11 °C
Sea
0 °C
Precipitation
13 mm
in month
Rainy days
6 days
in month
Daylight
8 hours
average
Sunshine
3 hours
average
Humidity
70 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
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We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Lethbridge, nestled in the heart of Southern Alberta, Canada, is known for its unpredictable weather patterns due to its prairie landscape. The temperature throughout the year can vary widely, ranging from chilly winter lows of around -12 °C (11 °F) in January to warm summer highs of 27 °C (80 °F) in July. Although Lethbridge does not have access to a sea, its weather is defined by relatively low precipitation, with the driest month being February at approximately 11 mm (0.42 in), and the most rain occurring in June at 80 mm (3.17 in). The city typically enjoys many sunny days, even in winter, offering a bright but brisk climate for the local population and visitors alike.
January in Lethbridge brings a serene chill, with an average nighttime temperature of -12 °C (11 °F) and a daytime high of about 0 °C (33 °F). The month witnesses a modest amount of precipitation, with an average of 13 mm (0.49 in) and about 6 days of rain or snow. The year starts with relatively low humidity at 70 % and a modest number of sun hours, around 3 hours daily.
February in Lethbridge still holds the winter breeze with average nightly lows reaching down to -10 °C (14 °F) but daylight starts to show signs of warmth peaking at around 2 °C (36 °F). The dry conditions remain with minimal rainfall of about 11 mm (0.42 in) over an average of 5 days. Sun hours start to increase to an average of 4 hours, all while maintaining manageable wind speeds of around 4 m/s.
March heralds the transition to spring in Lethbridge with the land slowly thawing as the average night temperatures rise to -5 °C (23 °F) and day temperatures to 7 °C (45 °F). Rainfall is slightly higher at 21 mm (0.82 in) throughout the month, with around 6 days of wet weather, though the sun becomes more generous, offering an average of 5 hours of brightness each day.
April sees a significant warming trend in Lethbridge, with nighttime lows moderating to 0 °C (31 °F), and daytime highs soaring to 13 °C (56 °F). The increase in precipitation to 30 mm (1.17 in) over approximately 7 days indicates that spring showers are common, while the wind continues to maintain its presence at around 5 m/s, and the sun shines for 7 hours on average.
As Lethbridge basks in the full swing of spring, May offers a pleasant nighttime temperature of 5 °C (40 °F) and a comfortable daytime average of 19 °C (66 °F). Increased rainfall with around 49 mm (1.94 in) suggests that the month is fairly wet, accompanied by an average of 9 days with precipitation. Winds are milder, blowing at 4 m/s, while relative humidity dips to 56 %.
June in Lethbridge welcomes the onset of summer with the warmest temperatures yet, at an average high of 22 °C (72 °F) and nighttime lows hovering around 9 °C (49 °F). The month is characterized by the highest precipitation levels, totaling 80 mm (3.17 in) over approximately 9 days. Wind speeds settle to 4 m/s, and the sun graces the sky for nearly 9 hours each day.
July in Lethbridge marks the peak of summer with the highest daytime temperatures averaging 27 °C (80 °F) and balmy nights at around 12 °C (53 °F). The rainfall eases slightly to 40 mm (1.57 in) during roughly 7 days of wet conditions. Abundant sunshine, with an average of 11 hours per day, makes it an ideal time for outdoor festivities.
August in Lethbridge continues to savor the summer heat, with negligible changes from July. Expect daytime highs of around 27 °C (80 °F) and night temperatures at 11 °C (51 °F). Rainfall is quite consistent, with 36 mm (1.42 in) falling on an average of 7 days. The wind speed slightly decreases to an average of 4 m/s, and there's plenty of sunshine with 10 hours to enjoy.
The advent of September in Lethbridge signals the beginning of the fall season with a cooling trend. Day temperatures remain pleasant at an average of 21 °C (69 °F), nights start to cool down to 6 °C (43 °F), and rain occurs over an average of 7 days, with a total of 40 mm (1.58 in). The wind speed picks up slightly to 4 m/s as the days become shorter, offering 7 hours of sunlight.
October in Lethbridge ushers in unmistakable signs of autumn. While the average daytime temperature is a cool 14 °C (58 °F), nights get colder, with an average low of 1 °C (33 °F). The dry season starts to manifest with a decrease in precipitation to 19 mm (0.74 in) and fewer rainy days, tallying around 5 days. The wind speed remains fairly consistent at 5 m/s, and the sunlight hours dim to 5 hours.
As November arrives in Lethbridge, winter's approach is palpable with the average daytime temperature dropping to 6 °C (42 °F) and the nights chilling down to -6 °C (21 °F). The precipitation is also modest with an average of 15 mm (0.58 in) over about 5 days of wet weather. Wind speeds continue to be robust at around 5 m/s, and sun hours are on the decline, averaging 4 hours.
December marks the onset of the full-fledged winter in Lethbridge with average night temperatures plunging to -11 °C (12 °F) and day temperatures at a mere 1 °C (33 °F). The precipitation remains low at 13 mm (0.49 in) spread across 6 days, but the increased wind speeds at 5 m/s add a chilly factor to the outdoor environment. The sun offers little respite, shining for 3 hours on average.
Nighttime in January in Lethbridge can be quite cold with temperatures averaging around -12 °C (11 °F). Be sure to dress warmly if you're venturing out after dark.
While Lethbridge doesn't see a significant amount of precipitation in February, averaging 11 mm (0.42 in), some of that can come in the form of snow, so it's wise to be prepared for snowy days.
You'll start to feel the warmth in Lethbridge as March arrives, with average daytime temperatures reaching 7 °C (45 °F), signaling the budding springtime.
With daytime temperatures climbing to 13 °C (56 °F), April is a delightful month for outdoor enthusiasts in Lethbridge to enjoy the fresh spring air and the blooming surroundings.
Daytime temperatures in Lethbridge in May are quite congenial, averaging a comfortable 19 °C (66 °F), enabling a variety of outdoor activities.
June is the wettest month in Lethbridge, with an average precipitation of 80 mm (3.17 in) typically spread across 9 days, signaling frequent rainy days.
July stands as the hottest month in Lethbridge, boasting an average maximum temperature of 27 °C (80 °F) during the day, inviting everyone to enjoy the summer heat.
Given the high daytime temperatures averaging 27 °C (80 °F), air conditioning might be a welcome reprieve from the August heat in Lethbridge.
September in Lethbridge is a transitional period with moderately warm days and cooler evenings. It's a lovely time to experience the changing leaves and crisp air.
Layering is key in October, as Lethbridge sees a range of temperatures from cool days at 14 °C (58 °F) to chilly nights at 1 °C (33 °F). Be sure to have a mix of warm and lighter clothes.
Snow begins to appear as we move through November in Lethbridge, with precipitation levels at 15 mm (0.58 in), so it's a good time to have your winter gear ready.
December is one of the coldest months in Lethbridge with temperatures barely rising above freezing during the day and dropping significantly at night.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.