Climate averages 1991–2020
Calgary weather
in March.
A cold, fairly dry month: the 8th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cold month in Calgary: daytime highs average 4.2°C and nights cool to about -7.6°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 21 mm of rain on roughly 6 days, which makes March a fairly dry month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 50 min on an average March day.
The nearest other city in this atlas is Airdrie (28 km away). In March its highs average 3.6°C, 0.7°C cooler than Calgary, with 22 mm of rain.
Among the 86 cities listed in Canada, Calgary ranks joint 27th of 86 for the warmest March highs and joint 5th of 86 for the driest March (rainfall, lowest first). The mean March high of those 86 cities is 3.8°C; Calgary is 0.5°C warmer than that mean.
From March to April, average highs rise by 5.9°C to 10.1°C, and monthly rainfall rises from 21 mm to 38 mm.
The annual picture
March 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
Calgary climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -2.9°C-13.1°C | -13.1°C | 12 | 3.7 | 8.58 h |
| February | 0.0°C-11.4°C | -11.4°C | 12 | 3.7 | 10.010 h |
| March, selected | 4.2°C-7.6°C | -7.6°C | 21 | 5.5 | 11.812 h |
| April | 10.1°C-2.2°C | -2.2°C | 38 | 8.0 | 13.814 h |
| May | 15.7°C3.0°C | 3.0°C | 72 | 11.3 | 15.516 h |
| June | 19.1°C7.8°C | 7.8°C | 104 | 13.7 | 16.516 h |
| July | 22.7°C10.8°C | 10.8°C | 61 | 10.8 | 16.116 h |
| August | 22.3°C10.1°C | 10.1°C | 63 | 9.5 | 14.615 h |
| September | 17.5°C5.6°C | 5.6°C | 44 | 7.9 | 12.713 h |
| October | 10.2°C-0.7°C | -0.7°C | 24 | 6.2 | 10.811 h |
| November | 2.1°C-7.1°C | -7.1°C | 19 | 4.9 | 9.09 h |
| December | -2.8°C-12.5°C | -12.5°C | 14 | 3.7 | 8.08 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
March in nearby cities
- Airdrie in MarchCanada · 28 kmHigh 3.6°C · Low -7.7°C · 22 mm rain
- Red Deer in MarchCanada · 137 kmHigh 2.3°C · Low -8.6°C · 20 mm rain
- Lethbridge in MarchCanada · 175 kmHigh 6.1°C · Low -4.9°C · 22 mm rain
- Sherwood Park in MarchCanada · 279 kmHigh -0.1°C · Low -9.4°C · 16 mm precipitation
- Edmonton in MarchCanada · 281 kmHigh 0.5°C · Low -9.2°C · 16 mm precipitation
- Kelowna in MarchCanada · 404 kmHigh 8.0°C · Low 0.0°C · 55 mm rain
- Spokane Valley in MarchUnited States · 439 kmHigh 9.1°C · Low -1.2°C · 70 mm rain
- Kamloops in MarchCanada · 440 kmHigh 7.2°C · Low -1.3°C · 30 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 Calgary) is explained once on the Calgary year overview and on the Sources, method and limits page.