愛知県 · Calendar 2026

January is a quiet month in Aichi with no listed events. Cold and short daylight push the plan indoors or into the city, so treat the prefecture as a one- or two-day stopover rather than a destination.

February stays quiet: no listed events, winter not yet over and blossom season not yet started. Low on highlights but also low on crowds — best used as a short indoor-focused stop or a buffer day between other legs.

March has one listing, Nagoya Castle, and its seasonal viewing window opens only late in the month. Come earlier and you get the castle on an ordinary day — still worth half a day, but push your dates later if the season is the point.

• 名古屋城

April's only listing is Nagoya Castle, and its seasonal window closes early in the month. If that view drives your dates, the opening days are the whole opportunity; arrive later and Aichi is a normal city stop, so don't detour for it.

• 名古屋城

No listed events in May, but the weather sits in the best stretch of the year — late spring, before the rainy season. With nothing fixed on the calendar, it suits a loose city-and-outskirts day or the easy leg of a longer trip.

June has no listed events and falls in the rainy season — a weak month for outdoor plans. Build the wet-weather version first: indoor sites, station areas, and a route you can cut short without losing the day.

July's one listing is the Toyota Oiden Matsuri fireworks around Shirahama Park, with no place-holding area — you find a spot on the night or watch from the fringes. Peak summer heat too, so keep daytime plans light and save your energy for the evening.

• 豊田おいでんまつり花火大会(7月最終週日・白浜公園一帯・不設佔位區)

August's listing is Toyokawa Kagayaki Matsuri, a city festival at Toyokawa Park with handheld tezutsu fireworks and a music-synced display — a different kind of show from a big aerial hanabi, not a substitute for one. Still peak heat, so keep the day light.

• とよかわ輝まつり(豊川市民祭・手筒放揚+音樂花火・豊川公園)

No listed events in September, and the month sits between lingering heat and typhoon season. The real variable is disruption, not what to see — keep transfers and bookings flexible, and don't make Aichi the one stop you can't miss.

October has no listed events, but it's one of the easiest months to plan around: the heat has broken and lowland autumn colour hasn't arrived yet. Nothing locks your dates, so use Aichi for the walking-heavy, all-day-outside part of a trip.

November has no listed events, but it is autumn-colour season, and demand for rooms and roads shifts with it. With nothing date-locked here, spend that flexibility on weekdays and light travel days rather than packing the itinerary.

December has no listed events. Short daylight and cold cut usable outdoor hours, and opening times get unreliable as the year ends, so check each site before you go. Best treated as a short, city-and-indoor stay rather than one outdoor bet.