Tokyo is 7.3°C (13.1°F) warmer by day, Tokyo has 7.7°C (13.9°F) warmer nights, Tokyo gets 925 mm (36.4 in) more rain a year.
Mississauga is at its warmest in July and coolest in January, while Tokyo peaks in August and bottoms out in February. Month for month, Tokyo is the warmer of the two in 12 of 12 months.
Tokyo is the wetter of the two, collecting 1,610 mm (63.4 in) of rain a year against 685 mm (27 in) in Mississauga. The most comfortable time to visit is June, July and August in Mississauga and May, June and September in Tokyo.
| Mississauga | Metric | Tokyo |
|---|---|---|
| 🌡️ Temperature | ||
| 18°C | 🌡️Average daytime high | 25.3°C |
| -0.5°C | 🌙Average nighttime low | 7.2°C |
| July | 🔥Hottest month | August |
| January | ❄️Coldest month | February |
| 🌧️ Rain | ||
| 685 mm | 🌧️Annual rainfall | 1,610 mm |
| July | ☔Wettest month | September |
| February | 🏜️Driest month | December |
| 💨 Climate | ||
| 78% | 💧Average humidity | 79% |
| 4.1 m/s | 💨Average wind speed | 2.6 m/s |
Overnight, Mississauga typically falls to around -0.5°C (31.1°F) while Tokyo settles near 7.2°C (45°F).
Mississauga is hottest in July and coldest in January, whereas Tokyo peaks in August and is coolest in February.
Mississauga sees the most rain in July and the least in February; Tokyo is wettest in September and driest in December.
Tokyo feels the more humid of the two, averaging 79% relative humidity against 78%.
For Tokyo, the pick of the year is May, June and September.
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 | Mississauga | Tokyo | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | -13.9 | -3.7❄️ | 6.5 | -1.8 | 6.7❄️ | 15.2 |
| February | -13.4 | -3.3 | 6.8 | -1.9 | 7.4 | 16.8 |
| March | -10.3 | 0.8 | 12 | -0.5 | 9.7 | 19.9 |
| April | -3.1 | 6.7 | 16.4 | 2.6 | 13.3 | 24 |
| May | 2.3 | 12.5 | 22.6 | 8.6 | 18.1 | 27.7 |
| June | 7.8 | 17.2 | 26.5 | 13.7 | 22.3 | 30.9 |
| July | 13 | 20.7🔥 | 28.5 | 18.3 | 26.3 | 34.2 |
| August | 13.3 | 20.6 | 28 | 20.3 | 27.5🔥 | 34.6 |
| September | 8.5 | 17.1 | 25.7 | 15.1 | 23.8 | 32.4 |
| October | 2.5 | 11.4 | 20.3 | 8.7 | 18 | 27.4 |
| November | -3.3 | 5.4 | 14 | 3.4 | 12.9 | 22.5 |
| December | -9.2 | -0.3 | 8.6 | -0.4 | 8.9 | 18.3 |
| Annual Avg | -0.5 | 8.8 | 18 | 7.2 | 16.2 | 25.3 |
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 Mississauga and Tokyo feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Mississauga Tokyo
See how Mississauga and Tokyo 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 Mississauga and Tokyo — each drawn straight from the climate figures above.
Tokyo is the warmer of the two. It averages daytime highs of 25.3°C (77.5°F) against 18°C (64.4°F) in Mississauga — roughly 7.3°C (13.1°F) warmer by day. Nights are milder in Tokyo, with average lows of 7.2°C (45°F) versus -0.5°C (31.1°F).
Mississauga is hottest in July, averaging highs of about 28.5°C (83.2°F), while Tokyo peaks in August at around 34.6°C (94.3°F). That makes Tokyo the hotter of the two at the height of summer.
Mississauga gets colder. In its coldest month (January) overnight lows average about -13.9°C (7°F), compared with -1.9°C (28.5°F) at the low point of the year in Tokyo.
Tokyo is the wetter city, collecting about 1,610 mm (63.4 in) of rain a year versus 685 mm (27 in) in Mississauga. Mississauga is wettest in July and driest in February; Tokyo is wettest in September and driest in December.
Humidity is similar in both, averaging around 78% in Mississauga and 79% in Tokyo across the year.
The most comfortable months in Mississauga are June, July and August, when average temperatures are at their mildest.
Tokyo is at its most pleasant around May, June and September, based on the mildest average temperatures of the year.
Tokyo is the warmer city in all 12 months of the year. The gap is widest in February, about 10.7°C (19.3°F), and narrowest in June, about 5.1°C (9.2°F).
Mississauga has the bigger seasonal swing, about 24.4°C (43.9°F) between its coldest and hottest months versus 20.8°C (37.4°F) in Tokyo — so Tokyo has the steadier, more even climate.
It depends what matters most to you: choose Tokyo for warmer weather and pick Mississauga if you prefer drier conditions. 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 Mississauga and Tokyo, not a single year's weather or a short-range forecast.
