Climate averages 1991–2020
Lethbridge weather
in April.
A cool, moderately wet month: the 7th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Lethbridge: daytime highs average 11.6°C and nights cool to about 0.2°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 40 mm of rain on roughly 8 days, which makes April a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 43 min on an average April day.
The nearest other city in this atlas is Calgary (175 km away). In April its highs average 10.1°C, 1.4°C cooler than Lethbridge, with 38 mm of rain.
Among the 86 cities listed in Canada, Lethbridge ranks joint 18th of 86 for the warmest April highs and 12th of 86 for the driest April (rainfall, lowest first). The mean April high of those 86 cities is 10.3°C; Lethbridge is 1.3°C warmer than that mean.
From April to May, average highs rise by 5.6°C to 17.1°C, and monthly rainfall rises from 40 mm to 59 mm.
The annual picture
April in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Lethbridge climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -0.9°C-9.7°C | -9.7°C | 14 | 4.4 | 8.69 h |
| February | 1.5°C-8.2°C | -8.2°C | 13 | 4.0 | 10.110 h |
| March | 6.1°C-4.9°C | -4.9°C | 22 | 6.0 | 11.912 h |
| April, selected | 11.6°C0.2°C | 0.2°C | 40 | 7.9 | 13.714 h |
| May | 17.1°C5.4°C | 5.4°C | 59 | 9.1 | 15.315 h |
| June | 20.9°C9.9°C | 9.9°C | 92 | 10.9 | 16.216 h |
| July | 25.6°C13.3°C | 13.3°C | 35 | 6.8 | 15.916 h |
| August | 25.2°C12.8°C | 12.8°C | 35 | 5.8 | 14.414 h |
| September | 19.7°C8.3°C | 8.3°C | 37 | 5.8 | 12.713 h |
| October | 11.9°C2.1°C | 2.1°C | 28 | 5.8 | 10.811 h |
| November | 4.1°C-3.8°C | -3.8°C | 22 | 5.3 | 9.19 h |
| December | -0.6°C-8.4°C | -8.4°C | 16 | 4.4 | 8.28 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Calgary in AprilCanada · 175 kmHigh 10.1°C · Low -2.2°C · 38 mm rain
- Airdrie in AprilCanada · 198 kmHigh 9.5°C · Low -2.0°C · 39 mm rain
- Red Deer in AprilCanada · 294 kmHigh 9.4°C · Low -2.0°C · 33 mm rain
- Missoula in AprilUnited States · 326 kmHigh 11.4°C · Low 1.5°C · 53 mm rain
- Spokane Valley in AprilUnited States · 395 kmHigh 13.7°C · Low 2.2°C · 58 mm rain
- Spokane in AprilUnited States · 407 kmHigh 14.3°C · Low 3.0°C · 50 mm rain
- Sherwood Park in AprilCanada · 426 kmHigh 8.7°C · Low -2.2°C · 34 mm rain
- Edmonton in AprilCanada · 430 kmHigh 9.4°C · Low -1.7°C · 32 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Lethbridge) is explained once on the Lethbridge year overview and on the Sources, method and limits page.