Climate averages 1991–2020
Shizuoka weather
in August.
A hot, very wet month: the warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
August is a hot month in Shizuoka: daytime highs average 28.6°C and nights cool to about 23.5°C. By daytime temperature it is the warmest month of the year.
Expect about 191 mm of rain on roughly 16 days, which makes August a very wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 28 min on an average August day.
The nearest other city in this atlas is Fujieda (17 km away). In August its highs average 28.3°C, about as warm as Shizuoka, with 171 mm of rain.
Among the 303 cities listed in Japan, Shizuoka ranks joint 219th of 303 for the warmest August highs and joint 274th of 303 for the driest August (rainfall, lowest first). The mean August high of those 303 cities is 29.2°C; Shizuoka is 0.6°C cooler than that mean.
From August to September, average highs fall by 2.8°C to 25.8°C, and monthly rainfall rises from 191 mm to 277 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
Shizuoka climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.6°C2.5°C | 2.5°C | 94 | 8.4 | 10.110 h |
| February | 10.3°C2.5°C | 2.5°C | 120 | 9.4 | 10.911 h |
| March | 13.2°C5.1°C | 5.1°C | 211 | 14.4 | 11.912 h |
| April | 17.2°C9.4°C | 9.4°C | 225 | 13.6 | 13.013 h |
| May | 21.1°C13.9°C | 13.9°C | 234 | 13.9 | 14.014 h |
| June | 23.9°C18.3°C | 18.3°C | 291 | 17.2 | 14.514 h |
| July | 27.5°C22.3°C | 22.3°C | 323 | 18.5 | 14.314 h |
| August, selected | 28.6°C23.5°C | 23.5°C | 191 | 16.3 | 13.513 h |
| September | 25.8°C20.9°C | 20.9°C | 277 | 16.5 | 12.412 h |
| October | 21.4°C15.9°C | 15.9°C | 247 | 14.1 | 11.311 h |
| November | 16.7°C10.3°C | 10.3°C | 150 | 11.4 | 10.410 h |
| December | 11.9°C5.1°C | 5.1°C | 91 | 8.3 | 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
- Fujieda in AugustJapan · 17 kmHigh 28.3°C · Low 23.6°C · 171 mm rain
- Shimada in AugustJapan · 26 kmHigh 27.9°C · Low 23.5°C · 171 mm rain
- Fujinomiya in AugustJapan · 34 kmHigh 28.5°C · Low 22.4°C · 254 mm rain
- Fuji, Japan in AugustJapan · 34 kmHigh 29.4°C · Low 23.5°C · 196 mm rain
- Kakegawa in AugustJapan · 41 kmHigh 29.3°C · Low 23.6°C · 174 mm rain
- Numazu in AugustJapan · 46 kmHigh 29.1°C · Low 23.7°C · 165 mm rain
- Fukuroi in AugustJapan · 50 kmHigh 29.6°C · Low 23.6°C · 174 mm rain
- Iwata in AugustJapan · 58 kmHigh 29.7°C · Low 23.9°C · 157 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 Shizuoka) is explained once on the Shizuoka year overview and on the Sources, method and limits page.