Hakone, JapanQuick decision
When to visit Hakone?
🌞 Best time overall
August
🌡️ Optimal temperature
18°C–24°C in August
🌧 Least rain
58% rainy days in August
🌧 Wettest month
March (48%)
📅 Best score
7.3/10
Monthly climate data
Hakone weather month by month
| Month | Min °C | Max °C | Rainy days (%) | Precip. mm/d | Sun h/d | Score | Ski score 🎿 |
|---|---|---|---|---|---|---|---|
| 🌨️ January | -6°C | 3°C | 27% | 2.7 | 9.6h | 4.3/10 | 8.5/10 |
| 🌨️ February | -6°C | 4°C | 36% | 4.2 | 9.5h | 4.1/10 | 8.2/10 |
| 🌦️ March | -2°C | 7°C | 48% | 8.3 | 10.0h | 4.0/10 | 7.2/10 |
| 🌦️ April | 3°C | 12°C | 50% | 8.9 | 10.6h | 4.7/10 | 5.5/10 |
| 🌦️ May | 8°C | 16°C | 49% | 9.2 | 10.2h | 6.1/10 | 4.3/10 |
| 🌦️ June | 12°C | 19°C | 61% | 13.1 | 8.9h | 6.3/10 | 3.4/10 |
| 🌦️ July | 16°C | 23°C | 58% | 11.5 | 10.7h | 7.2/10 | 3.5/10 |
| 🌦️ August | 18°C | 24°C | 58% | 8.1 | 11.4h | 7.3/10 | 3.5/10 |
| 🌦️ September | 14°C | 21°C | 62% | 10.0 | 9.3h | 7.0/10 | 3.3/10 |
| 🌦️ October | 8°C | 15°C | 56% | 9.7 | 8.6h | 4.6/10 | 3.9/10 |
| 🌦️ November | 2°C | 10°C | 40% | 4.6 | 9.1h | 4.4/10 | 6.1/10 |
| 🌫️ December | -4°C | 5°C | 27% | 2.9 | 9.0h | 4.2/10 | 8.2/10 |
Ideal
Fair
Challenging climate
Source: Open-Meteo · 10 years
Seasonal breakdown
What to expect each season
🌸 Spring (Mar–May) — Challenging climate
Average 12°C, 49% rainy days, 10.3h sunshine/day. Score: 4.9/10.
☀️ Summer (Jun–Aug) — Acceptable
Average 22°C, 59% rainy days, 10.3h sunshine/day. Score: 6.9/10.
🍂 Autumn (Sep–Nov) — Challenging climate
Average 15°C, 53% rainy days, 9.0h sunshine/day. Score: 5.3/10.
❄️ Winter (Dec–Feb) — Challenging climate
Average 4°C, 30% rainy days, 9.4h sunshine/day. Score: 4.2/10.
Accommodation
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Tip : off-peak months (March, April) are cheapest but weather is significantly worse.
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Activities and tours in Hakone
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Monthly weather
Detailed weather by month
FAQ
Frequently asked questions
It depends on the activity. For skiing: January (ski score 8.5/10). For hiking/summer: August (7.3/10, 24°C).
Yes, it's peak ski season. Average ski score December–February: 8.3/10. Cold temperatures (3°C max in January) and frequent snowfall.
In August, temperatures average 24°C. Ideal for hiking and outdoor activities.
March is the wettest month with 48% rainy days.
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