Calgary Climate and Average Weather
Climate of Calgary: average temperatures, rainfall and seasons month by month.
Climate in Calgary month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 28° | 13° | 0,6 in | ★★☆☆☆ |
| February | 28° | 10° | 0,7 in | ★★☆☆☆ |
| March | 36° | 18° | 1,4 in | ★★☆☆☆ |
| April | 48° | 29° | 1,8 in | ★★★☆☆ |
| May | 63° | 41° | 2,6 in | ★★★★☆ |
| June | 66° | 47° | 4,9 in | ★★★★☆ |
| July | 76° | 55° | 2,4 in | ★★★★☆ |
| August | 74° | 52° | 1,5 in | ★★★★★ |
| September | 70° | 46° | 1,1 in | ★★★★☆ |
| October | 53° | 33° | 0,9 in | ★★★☆☆ |
| November | 37° | 21° | 1,1 in | ★★☆☆☆ |
| December | 31° | 15° | 0,9 in | ★★☆☆☆ |
Climate type: Subarctic. Source: Open-Meteo archive (ERA5).
Recent extremes in Calgary
Highest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Calgary compares with nearby places
Annual averages, and the difference against Calgary.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Banff | 66 mi | 36°F | 37°F cooler | 20 in |
| Canadian Rocky Mountain Parks | 86 mi | 29°F | 44°F cooler | 24 in |
| Banff National Park | 86 mi | 29°F | 44°F cooler | 24 in |
| Lake Louise | 95 mi | 35°F | 38°F cooler | 26 in |
| Lake Louise | 95 mi | 35°F | 38°F cooler | 26 in |
Best time to visit Calgary
Go in July, August and September. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
What this means for Calgary
Today is slightly warmer than average for August. The forecast high of 79°F is 4.5°F above the 74°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 79°F.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
Summary
Calgary is a city in Alberta. Calgary is known for Stampede and Rockies access. It has a population of about 1.3 million.
Right now it is 57°F (14°C) in Calgary with clear. It feels like 55°F. Today runs from 51°F to 79°F. Chance of precipitation is 7%. Sightseeing conditions score 9.4/10 - excellent - go now.
The best time to visit Calgary is July, August and September. The climate is subarctic. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 76°F, while February is the coldest with lows near 10°F.
Nearby highlights include Banff National Park, Canadian Rocky Mountain Parks, Lake Louise and Lake Louise.
In plain terms. Today is slightly warmer than average for August. The forecast high of 79°F is 4.5°F above the 74°F typical for this month. The best window to be outside is roughly 11 AM to 2 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in Calgary today at 9.8/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Calgary
| Type | City |
|---|---|
| State | Alberta |
| Country | Canada |
| Continent | North America |
| Coordinates | 51°2′40.9″N 114°4′18.8″W (51.0447, -114.0719) |
| Population | 1.310.000 |
| Known for | Stampede and Rockies access |
| Local time | 1:43 AM (UTC-06:00) |
| Best months | July, August and September |
| Climate | Subarctic |
Weather map for Calgary
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Explore Calgary
Every topic we hold for this place, and the same topic for the places around it.
Climate for related places
Frequently asked questions
Where is Calgary?
Calgary is a city in Alberta. Its coordinates are 51.0447, -114.0719. It lies in North America.
What is the weather like in Calgary right now?
It is currently 57°F (14°C) with clear. Humidity is 79% and wind is 4 mph.
When is the best time to visit Calgary?
July, August and September offer the most comfortable conditions in Calgary, which has a subarctic climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Calgary in?
Calgary observes America/Edmonton (UTC-06:00). The local time is 1:43 AM.
How many people live in Calgary?
Calgary has a population of approximately 1.3 million.
What are the top things to do in Calgary?
Popular options include Banff National Park, Canadian Rocky Mountain Parks, Lake Louise, Lake Louise, Dinosaur Provincial Park and Glacier National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 21, 2026 at 1:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
