The best times to visit Lethbridge for ideal weather are
June 18th to September 16th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Lethbridge Travel Guide
Other Lethbridge Travel Info
Weather in Lethbridge
Temperature
Average temperatures in Lethbridge vary drastically. Considering humidity, temperatures feel cold for most of the year with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 44th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Lethbridge, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 83.3°F (28.5°C) with temperatures rarely dropping below 53.6°F (12°C) at night.
Lethbridge Temperatures (Fahrenheit)
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Lethbridge Temperatures (Celsius)
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“Feels-Like” Temperatures
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Lethbridge Perceived Temperature (F)
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Lethbridge Perceived Temperature (C)
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Average Lethbridge Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
Show Fahrenheit
| Month | Avg. High (°F) | Avg. Mean (°F) | Avg. Low (°F) |
|---|---|---|---|
| Jan | 36.6 | 25 | 15.7 |
| Feb | 36.8 | 23.6 | 13.8 |
| Mar | 47.4 | 33.6 | 23 |
| Apr | 56 | 41.9 | 30.2 |
| May | 66.4 | 52.3 | 39.6 |
| Jun | 73.3 | 59.9 | 47.8 |
| Jul | 81.8 | 66.7 | 52.8 |
| Aug | 82.4 | 65.2 | 50.8 |
| Sep | 74.3 | 57.1 | 43.7 |
| Oct | 60.2 | 45.7 | 34.4 |
| Nov | 44.7 | 32.5 | 22.2 |
| Dec | 32.9 | 21.5 | 11.7 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 2.6 | -3.9 | -9.1 |
| Feb | 2.7 | -4.7 | -10.1 |
| Mar | 8.6 | 0.9 | -5 |
| Apr | 13.3 | 5.5 | -1 |
| May | 19.1 | 11.3 | 4.2 |
| Jun | 22.9 | 15.5 | 8.8 |
| Jul | 27.7 | 19.3 | 11.6 |
| Aug | 28 | 18.4 | 10.4 |
| Sep | 23.5 | 13.9 | 6.5 |
| Oct | 15.7 | 7.6 | 1.3 |
| Nov | 7.1 | 0.3 | -5.4 |
| Dec | 0.5 | -5.8 | -11.3 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Lethbridge are February, January, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May with an average of 2 days of significant precipitation the week of May 21st.
When can you find snow in Lethbridge? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Lethbridge.
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Snow on the Ground
The graph below shows the average snow on the ground in Lethbridge (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 0% | 0 | 0.1 |
| Feb | 0% | 0 | 0 |
| Mar | 2% | 0 | 0.2 |
| Apr | 9% | 0 | 1.4 |
| May | 17% | 0 | 2.4 |
| Jun | 19% | 0 | 2.9 |
| Jul | 11% | 0 | 1.5 |
| Aug | 10% | 0 | 1.3 |
| Sep | 11% | 0 | 1.5 |
| Oct | 5% | 0 | 0.8 |
| Nov | 1% | 0 | 0.2 |
| Dec | 1% | 0 | 0.1 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 0 | 0 | 0.3 |
| Feb | 0 | 0 | 0 |
| Mar | 2 | 0 | 0.5 |
| Apr | 9 | 0 | 3.6 |
| May | 17 | 0 | 6.1 |
| Jun | 19 | 0 | 7.4 |
| Jul | 11 | 0 | 3.8 |
| Aug | 10 | 0 | 3.3 |
| Sep | 11 | 0 | 3.8 |
| Oct | 5 | 0 | 2 |
| Nov | 1 | 0 | 0.5 |
| Dec | 1 | 0 | 0.3 |
Humidity and Wind
Lethbridge has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is April (44.8% relative humidity), and the most humid month is December (57.3%).
Wind in Lethbridge is usually moderate. The windiest month is January, followed by November and March. January’s average wind speed of around 10.5 knots (12.1 MPH or 19.5 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid March where average top sustained speeds reach 21.1 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Lethbridge.
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Wind
The graph below shows wind speed (max and average) in knots.
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Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
| Month | Avg. Wind | Avg. Wind Feel | Sustained High Wind | High Wind Feel |
| Jan | 10.5 | Gentle breeze | 18.6 | Strong breeze |
| Feb | 8.3 | Gentle breeze | 15 | Significant breeze |
| Mar | 9.7 | Gentle breeze | 17.8 | Strong breeze |
| Apr | 9.6 | Gentle breeze | 17.3 | Strong breeze |
| May | 8.3 | Gentle breeze | 15.1 | Strong breeze |
| Jun | 8.1 | Gentle breeze | 15 | Significant breeze |
| Jul | 7.1 | Gentle breeze | 13.6 | Strong breeze |
| Aug | 6.7 | Light breeze | 13.1 | Significant breeze |
| Sep | 7.6 | Gentle breeze | 14.8 | Strong breeze |
| Oct | 8.8 | Gentle breeze | 16.2 | Significant breeze |
| Nov | 9.8 | Gentle breeze | 17.9 | Strong breeze |
| Dec | 9.2 | Gentle breeze | 16.7 | Significant breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 50.8% |
| Feb | 55.1% |
| Mar | 48.5% |
| Apr | 44.8% |
| May | 45.7% |
| Jun | 50.7% |
| Jul | 50.3% |
| Aug | 45.8% |
| Sep | 45.3% |
| Oct | 47.4% |
| Nov | 50.6% |
| Dec | 57.3% |
Is it Safe to Travel to Lethbridge?
#N/A
The Busiest and Least Crowded Months
The busiest month for tourism in Lethbridge, AB, Canada is July, followed by June and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Lethbridge in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall Lethbridge Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel moderately cold. Highs range from 70.7°F (21.5°C) and 37.4°F (3°C) with warmer temperatures in the later months. Rain is rare with 1 to 5 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 3 to 6 days of precipitation per month. June – August is the busiest season for tourism in Lethbridge, so lodging and other accommodations may cost more than usual.
Fall (September through November)
Fall daily highs range from 75.1°F (23.9°C) and 37.6°F (3.1°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 0 to 3 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.
Winter (December through February)
Weather is far too cold this time of year in Lethbridge to be enjoyable for warm weather travelers. The average high during this season is between 41.6°F (5.3°C) and 31.7°F (-0.2°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the slowest with tourists.
Best Times to Travel› Canada › Lethbridge, AB, Canada