Frankfurt is 3.7°C (6.7°F) warmer by day, Frankfurt has 9.7°C (17.5°F) warmer nights, Frankfurt gets 159 mm (6.3 in) more rain a year.
Calgary is at its warmest in July and coolest in January, while Frankfurt peaks in July and bottoms out in January. Month for month, Frankfurt is the warmer of the two in 12 of 12 months.
Frankfurt is the wetter of the two, collecting 683 mm (26.9 in) of rain a year against 524 mm (20.6 in) in Calgary. The most comfortable time to visit is June, July and August in Calgary and June, July and August in Frankfurt.
| Calgary | Metric | Frankfurt |
|---|---|---|
| 🌡️ Temperature | ||
| 18.2°C | 🌡️Average daytime high | 21.9°C |
| -10.1°C | 🌙Average nighttime low | -0.4°C |
| July | 🔥Hottest month | July |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 524 mm | 🌧️Annual rainfall | 683 mm |
| June | ☔Wettest month | May |
| January | 🏜️Driest month | February |
| 💨 Climate | ||
| 71% | 💧Average humidity | 79% |
| 1.3 m/s | 💨Average wind speed | 2.5 m/s |
Overnight, Calgary typically falls to around -10.1°C (13.8°F) while Frankfurt settles near -0.4°C (31.3°F).
Calgary is hottest in July and coldest in January, whereas Frankfurt peaks in July and is coolest in January.
Calgary sees the most rain in June and the least in January; Frankfurt is wettest in May and driest in February.
Frankfurt feels the more humid of the two, averaging 79% relative humidity against 71%.
For Frankfurt, the pick of the year is June, July and August.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Calgary | Frankfurt | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -25.1 | -10.1❄️ | 4.9 | -9.8 | -0.1❄️ | 9.6 |
| February | -22.7 | -7.3 | 8.1 | -8.3 | 1.6 | 11.5 |
| March | -17.5 | -2.2 | 13.2 | -4.7 | 6.2 | 17 |
| April | -9.4 | 5.1 | 19.5 | -2.5 | 9.9 | 22.3 |
| May | -4 | 10.4 | 24.9 | 2.6 | 14.6 | 26.6 |
| June | 1.5 | 14.2 | 26.8 | 6.6 | 19 | 31.3 |
| July | 4.8 | 17.5🔥 | 30.1 | 9.4 | 21.7🔥 | 33.9 |
| August | 3.4 | 16.7 | 30 | 8.9 | 21.3 | 33.7 |
| September | -2.6 | 12.1 | 26.8 | 5 | 16.8 | 28.5 |
| October | -9 | 5.5 | 20.1 | -0.2 | 11.2 | 22.6 |
| November | -17.2 | -3.7 | 9.8 | -4.1 | 5.7 | 15.4 |
| December | -23.3 | -9.7 | 4 | -8.1 | 1.2 | 10.5 |
| Annual Avg | -10.1 | 4 | 18.2 | -0.4 | 10.8 | 21.9 |
Min / mean / max temperature (°C). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Calgary and Frankfurt feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Calgary Frankfurt
See how Calgary and Frankfurt stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Calgary and Frankfurt — each drawn straight from the climate figures above.
Frankfurt is the warmer of the two. It averages daytime highs of 21.9°C (71.4°F) against 18.2°C (64.8°F) in Calgary — roughly 3.7°C (6.7°F) warmer by day. Nights are milder in Frankfurt, with average lows of -0.4°C (31.3°F) versus -10.1°C (13.8°F).
Calgary is hottest in July, averaging highs of about 30.1°C (86.3°F), while Frankfurt peaks in July at around 33.9°C (93.1°F). That makes Frankfurt the hotter of the two at the height of summer.
Calgary gets colder. In its coldest month (January) overnight lows average about -25.1°C (-13.1°F), compared with -9.8°C (14.4°F) at the low point of the year in Frankfurt.
Frankfurt is the wetter city, collecting about 683 mm (26.9 in) of rain a year versus 524 mm (20.6 in) in Calgary. Calgary is wettest in June and driest in January; Frankfurt is wettest in May and driest in February.
Frankfurt is the more humid of the two, averaging 79% relative humidity over the year against 71% in Calgary.
The most comfortable months in Calgary are June, July and August, when average temperatures are at their mildest.
Frankfurt is at its most pleasant around June, July and August, based on the mildest average temperatures of the year.
Frankfurt is the warmer city in all 12 months of the year. The gap is widest in December, about 10.9°C (19.6°F), and narrowest in May, about 4.2°C (7.6°F).
Calgary has the bigger seasonal swing, about 27.6°C (49.7°F) between its coldest and hottest months versus 21.8°C (39.2°F) in Frankfurt — so Frankfurt has the steadier, more even climate.
It depends what matters most to you: choose Frankfurt for warmer weather, pick Calgary if you prefer drier conditions and go for Calgary if you want lower humidity. There is no single "better" climate — it comes down to whether you value warmth, dryness or comfort most.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Calgary and Frankfurt, not a single year's weather or a short-range forecast.
