Year-round weather and climate in Lethbridge, Canada
Average temperatures in Lethbridge run from an average low of -11°C12°F in February up to an average high of 27°C81°F in August. September is the driest month at 3 rainy days; May the wettest at 10 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 103K
- Currency
- CAD
- Language
- English / French
- Time zone
- Edmonton
Best time to visit
The most pleasant weather falls in July, August, and September, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Moderate Showers: Rainfall is standard and manageable. A compact travel umbrella or light rain jacket will easily get you through any wet days.
Day-to-night swing
The Daypack Trap: Beware the "noon illusion". In months like August, crisp sunny days drop off a cliff by <span class="val-c">14°C</span><span class="val-f">25°F</span> at sunset. Always carry an evening layer.
Seasonality Profile
True Four Seasons: Dramatic contrasts. Freezing winters, transitional shoulders, and blazing summers.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Lethbridge, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Sep is typically driest at 3 rainy days (27mm); May the wettest at 10 rainy days (64mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | -1°C / 31°F | -9°C / 16°F | 6h | 7 | 23mm |
| Feb | -1°C / 30°F | -11°C / 13°F | 7h | 7 | 30mm |
| Mar | 5°C / 40°F | -6°C / 21°F | 8h | 6 | 22mm |
| Apr | 12°C / 54°F | 0°C / 32°F | 11h | 7 | 27mm |
| May | 20°C / 68°F | 6°C / 44°F | 12h | 10 | 64mm |
| Jun | 23°C / 73°F | 10°C / 50°F | 13h | 9 | 48mm |
| Jul | 27°C / 80°F | 13°C / 56°F | 14h | 8 | 68mm |
| Aug | 27°C / 80°F | 13°C / 55°F | 12h | 5 | 52mm |
| Sep | 23°C / 74°F | 10°C / 50°F | 11h | 3 | 27mm |
| Oct | 14°C / 56°F | 3°C / 37°F | 8h | 6 | 21mm |
| Nov | 5°C / 41°F | -3°C / 26°F | 6h | 5 | 23mm |
| Dec | 3°C / 37°F | -6°C / 21°F | 5h | 7 | 23mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Lethbridge?
July is the sunniest month in Lethbridge, averaging 14 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.
What clothes should I pack for Lethbridge?
Your packing list depends entirely on when you travel. Temperatures in Lethbridge swing from an average low of -11°C12°F in February up to 27°C81°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Lethbridge?
Lethbridge gets rain on about 80 days a year, with May being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Lethbridge with Packola.
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