Ishikawa has a warm temperate climate with warm summers and mild winters.
Ishikawa has an average annual temperature of 13.8°C across all 17 cities, with approximately 1971 mm of annual precipitation and average humidity of 79%. Temperatures peak in August and drop to their lowest in February, while rainfall is highest during winter months.
The warmest city is Uchinada with average July highs of 27.0°C, while Uchinada is the coldest with average January lows of -3.3°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 | 🌧️ | 5.0°C | 3.2°C | 1.3°C | 16.0°C | -14.5°C | 82% | 190 | 5.2 | 1.60 |
| February | ⛅ | 5.1°C | 3.0°C | 0.9°C | 17.1°C | -13.2°C | 80% | 130 | 4.9 | 2.40 |
| March | ⛅ | 8.5°C | 5.9°C | 3.2°C | 21.0°C | -10.3°C | 77% | 128 | 4.5 | 3.60 |
| April | ⛅ | 13.9°C | 10.8°C | 7.7°C | 25.2°C | -4.5°C | 76% | 120 | 4.0 | 4.70 |
| May | ⛅ | 18.7°C | 15.6°C | 12.6°C | 29.2°C | 0.2°C | 78% | 127 | 3.5 | 5.20 |
| June | 🌧️ | 22.6°C | 20.0°C | 17.4°C | 31.4°C | 7.6°C | 81% | 159 | 3.0 | 5.00 |
| July | 🌧️ | 26.4°C | 24.1°C | 21.8°C | 35.8°C | 13.1°C | 84% | 205 | 3.1 | 4.90 |
| August | 🌧️ | 28.3°C | 26.0°C | 23.6°C | 36.9°C | 13.3°C | 81% | 160 | 3.2 | 5.10 |
| September | 🌧️ | 24.8°C | 22.5°C | 20.2°C | 33.6°C | 6.6°C | 79% | 207 | 3.6 | 3.90 |
| October | 🌧️ | 19.3°C | 16.9°C | 14.5°C | 28.8°C | -0.2°C | 77% | 151 | 4.0 | 3.10 |
| November | 🌧️ | 13.9°C | 11.5°C | 9.1°C | 24.5°C | -4.2°C | 78% | 178 | 4.5 | 2.10 |
| December | 🌧️ | 8.3°C | 6.2°C | 4.2°C | 20.5°C | -11.3°C | 81% | 217 | 5.1 | 1.50 |
Showing average climate conditions across 45 years (1981–2025) · averaged across all 17 cities in Ishikawa
🧥 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 17 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 84% in July · annual avg 79%
Monthly averages · 1981–2025
Across 45 years, Ishikawa's temperature shows a slight warming trend over the past decade. 2023 was the warmest year overall and 1986 the coolest.
The warmest year on record was 2023 (avg: 15.5°C), while the coldest year was 1986 (avg: 12.6°C).
Averaged across all 17 cities in Ishikawa · Last 30 years · °C
Averaged across all 17 cities in Ishikawa · Last 30 years · mm/year
🔥 hottest · ❄️ coldest · 🌧️ wettest
ℹ️ Values are averages across all 17 cities in Ishikawa for each year.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall (mm) | Avg Humidity | Avg Wind |
|---|---|---|---|---|---|---|---|---|
2025 | 17.4°C | 15.2°C | 12.9°C | 33.4°C | -9.8°C | 2513 | 79% | 4.2 m/s |
2024 🌧️ | 17.6°C | 15.3°C | 13.0°C | 33.0°C | -6.8°C | 2527 | 81% | 4.2 m/s |
2023 🔥 | 17.9°C | 15.5°C | 13.0°C | 35.7°C | -9.4°C | 2143 | 79% | 4.0 m/s |
2022 | 16.9°C | 14.6°C | 12.2°C | 33.8°C | -9.1°C | 1991 | 78% | 4.0 m/s |
2021 | 17.1°C | 14.7°C | 12.3°C | 34.2°C | -8.2°C | 2180 | 79% | 4.2 m/s |
2020 | 17.1°C | 14.8°C | 12.4°C | 33.6°C | -6.2°C | 2019 | 79% | 4.0 m/s |
2019 | 17.1°C | 14.7°C | 12.2°C | 36.1°C | -6.7°C | 1742 | 77% | 3.9 m/s |
2018 | 16.9°C | 14.5°C | 12.0°C | 35.8°C | -8.8°C | 2349 | 79% | 4.1 m/s |
2017 | 16.2°C | 13.8°C | 11.4°C | 32.5°C | -10.0°C | 2112 | 78% | 4.2 m/s |
2016 | 17.0°C | 14.5°C | 12.0°C | 31.7°C | -8.7°C | 1982 | 79% | 4.0 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.
