Shizuoka has a warm temperate climate with warm summers and mild winters.
Shizuoka has an average annual temperature of 15.5°C across all 45 cities, with approximately 1852 mm of annual precipitation and average humidity of 79%. Temperatures peak in August and drop to their lowest in January, while rainfall is highest during summer months.
The warmest city is Mikkabi with average July highs of 28.4°C, while Gotenba is the coldest with average January lows of -4.8°C. Humidity remains high throughout the year creating warm and humid conditions. These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
| Month | 🌤️ | Avg High | Avg Temp | Avg Low | Record High | Record Low | Humid % | Rain (mm) | Wind (m/s) | Solar (kWh/m²) |
|---|---|---|---|---|---|---|---|---|---|---|
| January | 🌤️ | 8.5°C | 5.7°C | 2.9°C | 19.7°C | -12.3°C | 73% | 62 | 4.0 | 2.70 |
| February | ⛅ | 9.2°C | 6.1°C | 3.0°C | 19.9°C | -14.4°C | 73% | 81 | 3.9 | 3.40 |
| March | 🌧️ | 12.3°C | 9.0°C | 5.6°C | 22.5°C | -12.4°C | 74% | 150 | 3.7 | 4.10 |
| April | 🌧️ | 16.6°C | 13.3°C | 9.9°C | 25.9°C | -5.6°C | 76% | 169 | 3.3 | 4.90 |
| May | 🌧️ | 20.3°C | 17.3°C | 14.3°C | 29.7°C | -1.8°C | 80% | 185 | 2.9 | 5.10 |
| June | 🌧️ | 23.3°C | 20.8°C | 18.2°C | 33.2°C | 5.9°C | 85% | 235 | 2.6 | 4.70 |
| July | 🌧️ | 26.7°C | 24.4°C | 22.0°C | 38.7°C | 10.3°C | 87% | 216 | 2.5 | 5.10 |
| August | 🌧️ | 28.1°C | 25.8°C | 23.4°C | 39.5°C | 11.8°C | 85% | 179 | 2.6 | 5.20 |
| September | 🌧️ | 25.6°C | 23.1°C | 20.7°C | 34.0°C | 3.3°C | 83% | 228 | 2.9 | 4.10 |
| October | 🌧️ | 20.8°C | 18.2°C | 15.5°C | 30.5°C | -2.0°C | 79% | 185 | 3.2 | 3.30 |
| November | ⛅ | 16.2°C | 13.4°C | 10.5°C | 26.4°C | -4.8°C | 76% | 103 | 3.3 | 2.80 |
| December | 🌤️ | 11.2°C | 8.4°C | 5.5°C | 23.3°C | -10.8°C | 74% | 59 | 3.8 | 2.50 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 45 cities in Shizuoka
🧥 Light layers are sufficient — this Mild Winter stays cool without prolonged hard freezes.
🌤️ Conditions are ideal for outdoor activities throughout the day in this Mild Summer.
☔ Heavy Rainfall expected — carry rain gear and plan outdoor activities around these months.
Region-wide monthly averages across 45 cities · 1981–2025 · °C
Temperatures rise steadily from spring, peak in August, and gradually decline through autumn into winter.
These seasonal patterns offer comfortable conditions year-round, with warm summers and mild winters.
Region-wide monthly rainfall · 1981–2025 · mm/month
💧 Humidity peaks at 87% in July · annual avg 79%
Monthly averages · 1981–2025
Across 45 years, Shizuoka's temperature shows a slight warming trend over the past decade. 2024 was the warmest year overall and 1984 the coolest.
The warmest year on record was 2024 (avg: 17.2°C), while the coldest year was 1984 (avg: 14.4°C).
Averaged across all 45 cities in Shizuoka · Last 30 years · °C
Averaged across all 45 cities in Shizuoka · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 45 cities in Shizuoka for each year.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 19.1°C | 16.5°C | 13.8°C | 35.2°C | -8.0°C | 1894 | 79% | 3.3 m/s |
2024 🔥 🌧️ | 19.7°C | 17.2°C | 14.6°C | 34.0°C | -6.4°C | 2979 | 80% | 3.2 m/s |
2023 | 19.5°C | 16.9°C | 14.2°C | 34.1°C | -10.4°C | 2420 | 78% | 3.1 m/s |
2022 | 18.7°C | 16.2°C | 13.6°C | 33.9°C | -9.0°C | 2342 | 79% | 3.3 m/s |
2021 | 18.9°C | 16.3°C | 13.6°C | 34.0°C | -8.9°C | 2443 | 79% | 3.4 m/s |
2020 | 18.9°C | 16.3°C | 13.7°C | 37.8°C | -7.6°C | 2263 | 79% | 3.3 m/s |
2019 | 18.9°C | 16.3°C | 13.7°C | 33.4°C | -7.3°C | 2158 | 78% | 3.2 m/s |
2018 | 18.7°C | 16.1°C | 13.5°C | 38.7°C | -11.4°C | 2144 | 79% | 3.3 m/s |
2017 | 18.0°C | 15.3°C | 12.6°C | 33.0°C | -9.0°C | 1750 | 78% | 3.2 m/s |
2016 | 18.7°C | 16.1°C | 13.4°C | 34.6°C | -10.3°C | 2174 | 80% | 3.0 m/s |
Showing 1 to 10 of 45 years
All weather data is sourced from NASA POWER (Prediction of Worldwide Energy Resources), a NASA project providing solar and meteorological data for renewable energy, building efficiency, and agricultural research.
