Climate averages 1991–2020
Tsu weather
in August.
A hot, wet month: the warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Tsu: daytime highs average 30.3°C and nights cool to about 24.1°C. By daytime temperature it is the warmest month of the year.
Expect about 179 mm of rain on roughly 16 days, which makes August a wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 27 min on an average August day.
The nearest other city in this atlas is Matsusaka (17 km away). In August its highs average 30.1°C, about as warm as Tsu, with 194 mm of rain.
Among the 303 cities listed in Japan, Tsu ranks joint 71st of 303 for the warmest August highs and joint 252nd of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Tsu is 1.1°C warmer than that mean.
From August to September, average highs fall by 3.5°C to 26.8°C, and monthly rainfall rises from 179 mm to 253 mm.
The annual picture
August in context
Monthly rainfall
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
Tsu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.7°C2.3°C | 2.3°C | 68 | 6.4 | 10.110 h |
| February | 9.6°C2.4°C | 2.4°C | 75 | 7.8 | 10.911 h |
| March | 13.2°C4.7°C | 4.7°C | 128 | 11.6 | 11.912 h |
| April | 18.0°C9.2°C | 9.2°C | 146 | 10.6 | 13.013 h |
| May | 22.3°C14.1°C | 14.1°C | 175 | 11.9 | 14.014 h |
| June | 25.5°C18.7°C | 18.7°C | 235 | 15.3 | 14.414 h |
| July | 29.3°C23.0°C | 23.0°C | 221 | 17.9 | 14.214 h |
| August, selected | 30.3°C24.1°C | 24.1°C | 179 | 15.8 | 13.513 h |
| September | 26.8°C20.8°C | 20.8°C | 253 | 15.5 | 12.412 h |
| October | 21.6°C15.1°C | 15.1°C | 230 | 11.8 | 11.311 h |
| November | 16.3°C9.4°C | 9.4°C | 106 | 8.1 | 10.410 h |
| December | 11.1°C4.5°C | 4.5°C | 69 | 7.2 | 9.910 h |
Rainfall is the average of the 30 separate monthly totals. A rain 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
August in nearby cities
- Matsusaka in AugustJapan · 17 kmHigh 30.1°C · Low 23.9°C · 194 mm rain
- Suzuka in AugustJapan · 18 kmHigh 30.1°C · Low 23.8°C · 155 mm rain
- Yokkaichi in AugustJapan · 28 kmHigh 30.4°C · Low 23.6°C · 155 mm rain
- Ise in AugustJapan · 32 kmHigh 29.4°C · Low 24.2°C · 144 mm rain
- Iga in AugustJapan · 35 kmHigh 30.8°C · Low 23.2°C · 174 mm rain
- Kuwana in AugustJapan · 38 kmHigh 30.3°C · Low 23.2°C · 137 mm rain
- Handa in AugustJapan · 42 kmHigh 29.7°C · Low 24.1°C · 110 mm rain
- Nabari in AugustJapan · 42 kmHigh 30.5°C · Low 23.1°C · 176 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 Tsu) is explained once on the Tsu year overview and on the Sources, method and limits page.