Weather radar Calgary
Real-time precipitation radar · Alberta · Canada
Calgary climate table – average temperature, precipitation & sunshine hours
The climate table for Calgary shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | -1.4° | -3.1° | 3.6° | 10.8° | 17.6° | 21.5° | 25° | 24.8° | 21.5° | 13.1° | 3.5° | -2.8° |
| Avg low (°C) | -10.5° | -13.7° | -7.2° | -1.9° | 4.3° | 8.4° | 11.4° | 10.4° | 6.9° | 0.2° | -6.2° | -12.4° |
| Precipitation (mm) | 11 | 19 | 20 | 32 | 59 | 103 | 71 | 60 | 22 | 25 | 27 | 22 |
| Rainy days | 3 | 6 | 6 | 8 | 12 | 12 | 12 | 9 | 5 | 4 | 5 | 7 |
| Sunshine hours | 182 | 205 | 284 | 326 | 375 | 377 | 393 | 357 | 306 | 246 | 165 | 149 |
| Humidity | 68% | 69% | 67% | 56% | 56% | 60% | 67% | 64% | 59% | 62% | 68% | 72% |
Best time to visit Calgary
The best time to visit Calgary is typically September. In this month the average high is 21.5°C, precipitation is 22 mm and sunshine duration is 306 hours. The annual average high is 11.2°C, total annual precipitation is 471 mm (89 rainy days/year) and annual sunshine is 3365 hours.
Frequently asked questions about the weather in Calgary
How up to date is the weather radar for Calgary?
The weather radar for Calgary is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Calgary?
Besides the rain radar, RadarWeather provides for Calgary: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Calgary?
The thunderstorm potential for Calgary is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Calgary.
What is the climate like in Calgary?
Calgary has an annual average high of 11.2°C. The warmest month is July (avg high 25°C), the coldest February (avg low -13.7°C). The wettest month is June with 103 mm, the driest January with 11 mm. Total annual precipitation is 471 mm (89 rainy days). Annual sunshine is 3365 hours.