When to visit Hakone?
The decision rests on several criteria. Climate score, tourist crowds and feasible activities.
What you grasp in 5 seconds
Hakone offers 3 comfortable months, with 1 months to avoid (March). The gap is sharp: 7.6 in August vs 1.2 in March.
What to check next
Your tolerance for crowds and budget. The best months concentrate tourist saturation and higher prices. Shoulder seasons offer a good compromise.
Next action
Scroll down to the detailed table to compare month by month, then open the page of the month that interests you.
How we calculate the score
For mountain destinations, we calculate two scores per month — skiing and hiking — and display the higher of the two.
- 40% snow cover (slope T° corrected by lapse rate -6.5°C/1000m)
- 40% winter thermal comfort (-5 to 5°C optimal)
- 20% sunshine
- Off-season penalty: ×0.70 adjacent months · ×0.35 outside season
- 40% temperature (10–22°C optimal)
- 40% rain (frequency + daily intensity)
- 20% sunshine
Source : ERA5 · Open-Meteo · 10 years (2016–2025) · Full methodology →
Compare all 12 months
Month-by-month details: temperature, rain, sunshine, score and verdict.
| Month | T° min | T° max | Rain % | mm/day | Sun | Score | Verdict |
|---|---|---|---|---|---|---|---|
| 🌥️ January → | -6°C | 3°C | 20% | 2.7mm | 6.2h | 4.1/10 | Decent period |
| 🌥️ February → | -6°C | 4°C | 26% | 4.2mm | 5.9h | 4.0/10 | Decent period |
| 🌧️ March → | -2°C | 7°C | 36% | 8.3mm | 5.8h | 1.2/10 | Tough conditions |
| 🌥️ April → | 3°C | 12°C | 38% | 8.9mm | 6.1h | 4.1/10 | Decent period |
| 🌥️ May → | 8°C | 16°C | 38% | 9.2mm | 6.1h | 4.4/10 | Decent period |
| 🌥️ June → | 12°C | 19°C | 47% | 13.1mm | 4.9h | 4.4/10 | Decent period |
| ☀️ July → | 16°C | 23°C | 44% | 11.5mm | 5.9h | 7.5/10 | Best period |
| ☀️ August → | 18°C | 24°C | 41% | 8.1mm | 6.2h | 7.6/10 | Best period |
| ⛅ September → | 14°C | 21°C | 45% | 10.0mm | 5.0h | 7.3/10 | Best period |
| 🌥️ October → | 8°C | 15°C | 42% | 9.7mm | 4.8h | 4.2/10 | Decent period |
| 🌥️ November → | 2°C | 10°C | 29% | 4.6mm | 5.5h | 4.1/10 | Decent period |
| 🌥️ December → | -4°C | 5°C | 20% | 2.9mm | 5.8h | 4.1/10 | Decent period |
Hakone week by week: your odds of avoiding rain
For each week of the year: in how many years out of 10 it was mostly dry (at most 2 rainy days), 2016 to 2025.
Safest week: Jan 1 to Jan 7, mostly dry in 10 years out of 10 (1.0 rainy day(s) on average).
Most exposed: Sep 17 to Sep 23, mostly dry in 1 years out of 10 (3.9 rainy days on average).
| Jan | Jan 110/103°C | Jan 89/103°C | Jan 159/103°C | Jan 226/102°C | Jan 297/103°C |
|---|---|---|---|---|---|
| Feb | Feb 58/102°C | Feb 126/104°C | Feb 196/104°C | Feb 268/106°C | |
| Mar | Mar 54/106°C | Mar 125/108°C | Mar 196/108°C | Mar 264/109°C | |
| Apr | Apr 26/1010°C | Apr 95/1011°C | Apr 163/1013°C | Apr 236/1013°C | Apr 307/1015°C |
| May | May 73/1014°C | May 145/1016°C | May 216/1017°C | May 287/1017°C | |
| Jun | Jun 45/1018°C | Jun 112/1018°C | Jun 182/1019°C | Jun 253/1021°C | |
| Jul | Jul 23/1022°C | Jul 92/1022°C | Jul 165/1023°C | Jul 237/1024°C | Jul 306/1025°C |
| Aug | Aug 63/1024°C | Aug 132/1023°C | Aug 203/1024°C | Aug 274/1023°C | |
| Sep | Sep 33/1022°C | Sep 104/1021°C | Sep 171/1020°C | Sep 247/1019°C | |
| Oct | Oct 14/1018°C | Oct 85/1016°C | Oct 153/1014°C | Oct 223/1013°C | Oct 298/1012°C |
| Nov | Nov 55/1012°C | Nov 127/1011°C | Nov 196/109°C | Nov 267/108°C | |
| Dec | Dec 39/107°C | Dec 106/106°C | Dec 178/105°C | Dec 2410/104°C |
A specific date? The app computes the same figure day by day.
Annual temperatures — Hakone
Min/max temperature curves observed over the past 10 years (ERA5). Shows climate stability and trend.
For your trip
A few angles depending on what kind of trip you are planning.
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
🎟️ Activities & tours · Hakone
GetYourGuide selection · free cancellation
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a mountain stay.
Country · Japan
🌡️ Climate
🏔️ Mountain stay
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Guides & rankings
Where is Hakone ?
Global position + regional geographic context.