Climate in Lethbridge

Lethbridge, Canada has a humid continental climate. The annual average temperature is about 8.5°C and the city receives roughly 801 mm of precipitation across 91 rainy days a year, with around 1743 hours of sunshine. The warmest month is Jul (highs near 24.1°C) and the coldest is Jan (lows near -7.2°C). These are deterministic, latitude- and region-based planning estimates — not a forecast or measured station data; check current conditions with an official meteorological service before travel.

Data year 2025; last updated 2026-05-16.

Lethbridge is classified as Humid Continental. This reflects its annual temperature range and the seasonal pattern of its rainfall.

Lethbridge receives about 801 mm of precipitation a year over roughly 91 rainy days. The wettest month is Jun and the driest is Jan.

Lethbridge sees an estimated 1743 hours of sunshine a year, concentrated in the warmer months around Jul.

By temperature and rainfall, the most comfortable months in Lethbridge are Aug, Jun, Sep. Conditions vary year to year — verify with a current forecast before booking.

Lethbridge has a climate comfort score of 64/100, a comfortable year-round climate by this measure. The score weights mild temperatures most, then rainfall balance, sunshine, low seasonality, and the absence of extreme winter cold or summer heat.

• Climate in Calgary — Humid Continental, comfort 63/100
• Climate in Edmonton — Humid Continental, comfort 62/100
• Climate in Regina — Humid Continental, comfort 64/100