广岛市逐月天气
广岛市最佳旅行时间是5月、10月和11月——10月得分 87/100,最高 24°C,10 个雨天。 最佳季节是春季,也就是3月至5月(平均 80/100)。
最差的月份是7月,53/100——酷热、雨量惊人、空气清新。 查看7月 →
更新于 2026年9月 · 气候平均值来自 ERA5 再分析
在规划更长的行程? 日本最佳旅行时间 →
广岛市Hiroshima, Japan🇯🇵 日本 · 日本本土 · 城市87
最佳季节:3月至5月(平均 80/100)· 最差7月(53/100)
- 白天
- 24°C
- 夜间
- 16°C
- 雨天
- 10
- 日照
- 7.8 h
- 湿度
- 77%
- 白昼时间
- 11 h

广岛市逐月一览
按广岛市最适合的行程类型算出的 0–100 舒适度分数,加上气候平均值里的平均最高气温、雨天数和每日日照时数,以及人潮通常的情况。
广岛市全年有什么活动
节庆、自然奇观、假期,以及要留意的季节——经过编辑筛选并附上来源。细节见各月份页面。
广岛市在10月的人潮
这里看的是地方本身有多热闹——学校假期和全民假期、编辑标注的月份,以及天气让它有多抢手。人潮从不计入舒适度分数。
人多主要客源市场中有 3 个正逢学校假期、是天气最好的月份之一(估算)
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人潮高峰人多平季人少
广岛市的旅人笔记
去过的人怎么说——先是全年通用的笔记,再逐月来看。
Hiroshima forum threads describe January as cold enough for a proper winter coat, gloves and scarf, but posters were consistent that real snow barely happens here - occasional light snow shows up but genuine snowstorms were called uncommon, with chances rated too low to plan around. A recurring explanation across threads: Hiroshima's Seto Inland Sea coastal position, warmed somewhat by ocean currents, makes it noticeably milder than many other parts of Japan in winter, a real factor posters cited when comparing it to colder options further north or inland for a January itinerary.
Asked whether mid-March is busy for the blossom here, regulars answer that it is too early even this far south - the city usually peaks in the first week of April, and the island across the water, being warmer, runs slightly ahead of it. March is still winter weather: our row reads 15.7C by day feeling 13C, 6.2C nights feeling 4C, with 113.7mm of rain across 11.5 days and 1.8cm still in the snow column. The blossom date moves with the season's warmth and a storm at peak can end it early, so the year's forecast is the only planning tool. The record: humidity 73 percent, 8.5 hours of sun, an 11.6C sea and AQI 62.
Hiroshima forum regulars call April genuinely mild — similar patterns like Osaka in April, perhaps a little warmer during the day, no heavy winter coat needed, though a light anorak and jacket will be handy, especially in the evening. A sunny stretch can push things quite warm, into mid-20s, warm enough that layering matters more than any single packing list. The month's real cost is crowds: April sits squarely in cherry blossom season, congestion at beauty spots can be intolerable, especially at weekends, and Golden Week starting April 27th tightens accommodation and travel availability sharply. Late April into early May is called out separately as prime wisteria season for the gardens. Our record: 18.4°C days, 9.5°C nights, 9.4 rain days and a 14.5°C sea — mild with a real warm-day upside, matching the “no heavy coat needed, can turn genuinely warm” read.
May in Hiroshima sits in the gap between Golden Week and the rains: the tsuyu does not reach cities like this one until about 7 to 10 June, and the weeks from around 10 May onwards are the ones regulars name as the best of the year. Warm to hot, and changeable - their description is three days of sun then a day or two of rain, with late May delivering some perfect days, a few hot and humid ones and one or more wet. Our row carries 147.8mm across 9.6 precipitation days, which is heavy rain concentrated rather than constant drizzle. Pack across the range: short sleeves to light jacket, waterproof shoes and a folding umbrella. The record: 24.6C days that feel like 26C, 15.5C nights and an 18.4C sea.
Hiroshima's forum calls late October one of the best windows in Japan weather-wise — sunny to occasionally cloudy, cooling noticeably as the month goes on. Regulars note early October can still carry some humidity left over from summer, so the back half of the month is the more reliable pick.
Regulars aiming at the Miyajima colour name a five-day window, the 13th to the 17th of November, while saying outright that nobody can predict the peak - one visitor on the 24th found it well past. Autumn is the island's busiest season for exactly this reason, and they suggest staying overnight rather than day-tripping. On weather they are warm about the month: often sunny, dry and crisp, with a light jacket wanted on the ferry and at the end of the day. Our row agrees at 18.6C days over 9.5C nights feeling like 7C, with 60.3mm across only 6.5 days. The record: humidity 77 percent, 7.9 hours of sun, a 19.4C sea and AQI 41.
Regulars are consistent that snow itself is genuinely unlikely here, even in the back half of the month, but the cold still arrives regardless - the standard advice is to pack properly warm layers rather than count on a mild version of the month. Our row backs that cool, still-snow-light read, 12.3C over 4.2C nights feeling 1C, with 58.7mm of rain across 9.6 days and a trace of snow, 4.2cm, matching regulars' sense that it happens but isn't the norm. Regulars are specific this month runs a degree or two colder at night than nearby Osaka, worth noting for anyone comparing the two on the same itinerary. The sea sits at a cool 15C. The record: humidity 75 percent, 6.9 hours of sun, a 14.2 kph wind and AQI 44.
在地图上广岛市的卡片里写下你自己的笔记。