Climate guide for Hakone, Japan

Hakone in December

Weather, crowds & best time to visit

How to read the score (0–10)
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December · Japan

Best time to visit Hakone in December Weather, crowds & prices

Weather in Hakone in December

Average temperature 8°C, 39 mm of rain, about 27 days with 6+ hours of sunshine and 68% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

December score

8.5/10

Ranked #1 of 12 months

Full year for Hakone
Avg temp
8°C
Rainfall
39 mm
Humidity
68%
Days with 6h+ sun
27
Crowd Density
Peak Tourist Rush
Average Expenses
$$$ · Peak Season Rates ($$$)

December in Hakone scores 8.5/10 for nature and wildlife travel - the single best month of the year. Expect around 8°C, 39 mm of rain, and roughly 27 days with 6+ hours of sunshine this month.

Hakone's hot springs, Lake Ashi and Fuji views make it Tokyo's classic mountain escape.

December: the best month of the year in Hakone

December averages 8°C (47°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.

Expect 39 mm of rain — occasional showers rather than washed-out days — alongside about 27 days with 6+ hours of sunshine and 9.8 daylight hours.

On our climate-comfort scale this is the top-ranked month of the year for Hakone at 8.5/10 — the reference point every other month on this page is measured against.

Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, footwear you can get muddy.

Figure on peak pricing, with this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Hakone in December?
In December, Hakone averages 8°C, 39 mm of rain, and about 27 days with 6+ hours of sunshine. Its climate-comfort score is 8.5/10.
Is December a good time to visit Hakone?
December earns a 8.5/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Hakone in December?
Expect about 39 mm of rain in December. Average humidity is 68% and there are about 27 days with 6+ hours of sunshine.

Curated in Hakone

Tickets & experiences

Things to do in Hakone

Hakone, Japan. Live activities and tours from GetYourGuide, matched to this destination.