Kamakura weather in August

August in Kamakura: sweltering, rainy, with clean air — a gamble, with 37°C afternoons.

Updated September 2026 · climate normals from ERA5 reanalysis

Kamakura🇯🇵 Japan · Mainland Japan · City62
  1. 70Jan
  2. 73Feb
  3. 71Mar
  4. 80Apr
  5. 83May
  6. 69Jun
  7. 59Jul
  8. 62Aug
  9. 65Sep
  10. 75Oct
  11. 79Nov
  12. 74Dec

#11 of 12 months in Kamakura · #1050 of 1413 destinations to visit in August · comfort 62/100 (tier C)

Days
32°C
Nights
25°C
Wet days
14
Sun
9.8 h
Humidity
85%
Daylight
14 h
Kamakura, Japan
Photo: Anton Cherednichenko · Pexels

Traveller notes on Kamakura in August

Notes from nearby Tokyo (44 km away)

Kamakura doesn't have its own notes for August yet — these are about Tokyo, close enough to share the season.

Tokyo-forum threads asking if August really is that hot get a consistent yes, posters comparing the combination of heat and humidity to Houston or Dallas at their peak, occasionally worse. A long, steady multi-day soak is called rare unless a typhoon happens to track nearby - the more typical pattern is a sudden, heavy afternoon squall once the air turns oppressively muggy, clearing within an hour or so. The Obon holiday falls mid-month, when many businesses close and inter-city trains get noticeably more crowded. Regulars recommend planning around the worst midday heat - museums, department stores and shaded shrine grounds over long outdoor stretches - and treating frequent convenience-store stops for cold drinks as a genuine survival strategy. The record: 32.1C days feeling like a punishing 37C, 24.6C nights, 116mm across 11.6 days, an 28.8C sea, 80 percent humidity and 9.9 hours of sun.
ShinjukuAugustRegular · August · 1 month ago · about Tokyo · Read more on Tripadvisor ↗

Other months in Kamakura

Forum posters describe November in the greater Tokyo/Kamakura area as typical fall, pre-winter weather, with light jackets or hoodies sufficient by day, though it turns properly chilly at night, warranting a good jacket and beanie. Posters cite average November temperatures around 9-15C, noting the region doesn't really turn cold until the last week of the month, with short sleeves still viable by day into the fourth week in some years. Posters consistently rate November as one of the best times to visit Kamakura, pairing reasonable temperatures with thinner crowds, and flag popular evening temple and nearby Enoshima light-up displays running from November through February. Posters generally rate November as comfortable and well-timed for a Kamakura visit, layering for the day-to-night temperature swing the main preparation needed.
Tripadvisor community · November · 1 month ago · Read more on Tripadvisor ↗
May lands before Japan's rainy season, which the forum dates to about 7–10 June, so it avoids the worst — though the record still shows thirteen wet days, and regulars describe May as changeable: three days of sun, then a day or two of rain. Plan for everything from short sleeves to a rain parka. Days average 20°C. May and June are the months many posters prefer over cherry-blossom season, with the gardens and temples deep green and mossy. One timing note if hydrangeas are the draw — Meigetsu-in and the Kita-Kamakura temples peak in June and July, not May. Kamakura is about an hour from Tokyo on frequent JR trains.
Tripadvisor community · May · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Kamakura's card on the map.

Kamakura climate normals — August

Daytime high32°C / 89°F🔥 sweltering
Nighttime low25°C / 78°F
Feels like (high)37°C / 99°F
Sea temperature28°C / 82°F😎 warm sea
Rainfall133 mm / 5.2 in🌧 rainy
Rainy days14 days
Humidity85%💦 very humid
Dew point24°C / 75°F
Sunshine9.8 h/day
Daylight13.5 h
Wind19 km/h / 12 mph
Air quality (US AQI)42🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Kamakura in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsBeach season at Yuigahama, Summer break (natsuyasumi) in Japan, school holidays in 3 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Kamakura's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherKamakura's best weather comes in April, May and November — separate windows, not one continuous season.

August coincides with Typhoon season.

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Best weatherFair weatherToughest weather

What's on in Kamakura in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Opening

    Beach season at Yuigahama

    1 Jul – 31 AugSummer season opensCrowded

    The beach houses go up for two months from the opening ceremony on 1 July and come down at the end of August. Outside those weeks there are no lifeguards and nowhere to buy a drink on the sand. Source ↗

  • Hazard

    Typhoon season

    1 Aug – 15 Oct · usuallyClosures

    When a storm tracks up Sagami Bay the Enoden stops, Yuigahama is flagged shut and the hillside hiking trails close for fallen trees, sometimes for weeks. Warnings come days ahead, so shuffle a day rather than the trip. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Kamakura — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Kamakura?

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Kamakura in August — FAQ

Is August a good time to visit Kamakura?
August in Kamakura: sweltering, rainy, with clean air — a gamble, with 37°C afternoons. It ranks #11 of 12 months for Kamakura on SeasonMap's comfort score (62/100).
What is the weather like in Kamakura in August?
In August, Kamakura averages a daily high of 31.5°C and a low of 25.4°C, with about 132.6 mm of rain over roughly 13.7 rainy days.
What is the air quality in Kamakura in August?
Kamakura has a mean US Air Quality Index of about 42 in August.

Within 300 km: Fujikawaguchiko's Mount Fuji climbing season on 1 Jul – 10 Sep, and Matsumoto's Kamikochi open season around 17 Apr – 15 Nov.