コーチ 4月の天気
コーチの4月:猛暑、雨が多い、蒸し暑い — 午後41°Cの暑さがあり、運次第の時期。
2026年9月更新 · ERA5再解析による気候平年値
コーチでは12か月中5位 · 4月に訪れたい旅行先で1413か所中1209位 · 快適スコア63/100(Cランク)
- 日中
- 33°C
- 夜
- 26°C
- 雨の日
- 17
- 日照
- 10.6 h
- 湿度
- 80%
- 日の長さ
- 12 h

4月のコーチについての旅行者の声
Regulars are consistent this counts as genuinely hot and humid, though not yet as intense as May, with real monsoon rain not reaching this coast until the first week of June - any showers this month tend to be occasional and short rather than a settled wet stretch. Our row backs that brutally hot, humid read, 33.4C reading as a scorching 41C, over 26.2C nights, with 86.8mm of rain across 16.7 days and humidity at 80 percent. Regulars are specific this counts as the region's lean off-season, genuinely good hotel bargains available, while the Thrissur Pooram festival with its decorated elephants specifically falls in this month as a real cultural highlight. Evenings turn noticeably more pleasant than the daytime heat. The sea sits at a bath-warm 31.5C. The record: 10.6 hours of sun, a 9 kph wind and AQI 95.
コーチのほかの月
Regulars date the monsoon's arrival on this coast precisely, the 1st of June historically, which places March squarely in the pre-monsoon hot season - mid-nineties Fahrenheit by day, hot and humid year-round given the location just ten degrees north of the equator. Our row backs the heat, 33C reading as a real 40C at 76.3 percent humidity, over 25.9C nights, with rain still light at 33.4mm across 7.6 days ahead of the wet season proper. Regulars are consistent that October through February is the better window for this coast, cooler and more comfortable for sightseeing, which makes March the tail end of a season most visitors are advised to avoid rather than a hidden good month. The sea is 30.6C. The record: a dew point of 24C, 10.9 hours of sun, an 11.5 kph wind and AQI 107.
Kerala-forum threads on September weather (Kochi specifically among the destinations discussed) describe it as the tail end of the southwest monsoon, rain subsiding from its peak but still a real presence most days rather than gone entirely. Posters are consistent it isn't a washout month - heavy rain doesn't fall constantly, more scattered showers between clearer stretches, and regulars call September an increasingly good pick as the greenery left behind by the monsoon peaks right around now. Crowds and prices both stay at their lowest, a genuine upside for budget-conscious travelers willing to accept some rain risk. Humidity remains high regardless of whether it's actively raining, the more constant discomfort. The record actually runs wetter than the tail-end framing implies: 30.6C days feeling like a punishing 37C, 24.5C nights, a notably high 263mm across 26.4 days, 88 percent humidity, a 29C sea and 7.7 hours of sun - still deep in the wet season by the numbers.
December is the middle of the Kerala season - regulars put the good window at mid-November to mid-February and the best of it at mid-December to mid-January - and that is the problem as much as the recommendation. Hotels fill through December and January, so the advice is to book as soon as the dates are fixed. The weather is sunny and mostly dry, with our row giving 55.9mm across 6.3 days, and their figures of about 32C by day and 23C at night almost exactly ours. What they flag is humidity, which on this coast stays high whatever the rain does: our row says 81 percent, turning 31.8C into a feels-like 38C. The record: 9.7 hours of sun, a 29.9C sea and AQI 91.
February sits at the end of the stretch the Kochi and Kerala forums recommend - October to February - and their framing is comparative: less humid than April and May, little falling from the sky, cotton clothes and nothing more. The detail worth having is that the month is not uniform. Early and mid-February are the pleasant part; by the end of it the heat is building and the humidity with it, which is the beginning of the long uncomfortable run into May. It is also the right time for what most people come for, an overnight houseboat on the backwaters at Alleppey or Kumarakom. The record: 32.4C days that feel like 38C, 24.6C nights, 1.5 precipitation days, humidity 74 percent, a 29.5C sea - and AQI 122.
地図のコーチのカードから自分のメモを追加できます。
コーチの気候平年値 — 4月
ERA5再解析による月平均値です。AQIはその月の平均US AQI(米国大気質指数)です。
4月のコーチの混雑
その場所自体の混み具合 — 学校休暇や大型連休、編集部がタグ付けした月、そして天気の良さによる人気の高さ。快適スコアには含まれません。
閑散旅行者が空いていると語る時期、Vishu、インドのSummer vacation (Kerala / far south)
旅行者の声より:「…ent. Regulars are specific this counts as the region's lean off-season, genuinely good hotel bargains available, while the Thrissu…」 — HotAndHumidButRainStaysShortWhenItComes
ピークの混雑混雑ショルダーシーズン閑散
コーチの天気が良い月
この旅行先自身の一年間の快適スコアでランキングしています — 混み具合とは別のものです(上の「混雑」を参照)。
天気はまずまずコーチの天気がピークを迎えるのは12月〜2月で、特に良いのは1月ごろです。
天気が最高天気はまずまず天気が厳しい
4月のコーチのイベント
毎年の季節のイベント、自然の見どころ、休業、祝日 — 厳選し出典を明記しています。
- 祝日
Vishu
4月14日〜15日 · 例年国民の祝日休業The Malayalam new year, on 14 or 15 April. Firecrackers start before dawn, families view the vishukkani arrangement at first light, and most shops and offices take the day off. 出典 ↗
近くで開催中のイベント
コーチから300 km以内 — 日帰りやちょっとした移動で行けて、今月何かがある場所です。快適スコアには含まれません。
コーチはどこにある?
4月のコーチ — よくある質問
- 4月はコーチを訪れるのに良い時期ですか?
- コーチの4月:猛暑、雨が多い、蒸し暑い — 午後41°Cの暑さがあり、運次第の時期。SeasonMapの快適スコアでは、コーチの12か月中5位です(63/100)。
- 4月のコーチはどんな天気ですか?
- 4月のコーチは、平均最高気温33.4°C、最低気温26.2°C、降水量は約86.8 mmで、雨の日はおよそ16.7日です。
- 4月のコーチの大気質はどうですか?
- 4月のコーチの米国大気質指数(US AQI)は、平均約95です。
300 km圏内:AlleppeyのPre-monsoon low season(4月1日〜5月31日ごろ)。