Været i Füssen (Neuschwanstein) i april

Regulars are direct that the old German proverb applies here - "April does what it wants" - blue sky, rain or a snowstorm all genuinely possible within the same trip, one visitor's own late-April stay bringing rain on 10 of 14 days. Our row backs that cold, genuinely wet read, 13.1C over 1.9C nights feeling as low as -1C, with a substantial 111.7mm of rain across 14 days and real snow, 30.3cm, still falling early in the month. Regulars are consistent temperatures across the wider region can swing from properly cold and wet to a sunny 25C, with the warmest readings typically further southwest. Layers built for genuinely either extreme remain the standard advice throughout. The record: humidity 77 percent, 9.9 hours of sun and a 9.4 kph wind.

Regulars say September here is genuinely two months in one: early in it the weather can swing from over 35C to a rainy 15C within days, while mid-September through mid-October tends to settle into near-perfect autumn conditions, cooler mountains with the bushes already turning. Our row spans that range at 18.7C over 8.5C, with 159.5mm across 14.9 days and 3.2cm already in the snow column on the higher ground. What is not in dispute is the crowd: anything after the first of the month is markedly quieter than August, guesthouses can be booked on the fly, and Neuschwanstein's queues thin noticeably. The record: humidity 85 percent, 8.4 hours of sun, an 8 kph wind and AQI 33.

Regulars describe October here as cool to warm by day with chilly early mornings and nights, and they are clear that nothing about it is predictable more than a few days out. One poster counted rain on only two days across thirty-eight October nights - lucky rather than typical, because our row says 117.2mm across 12.8 days. Days reach 14.8C and nights fall to 4.7C, reading as 2C, so the queue for the castle wants gloves at nine in the morning and not at two in the afternoon. Our snow column shows 7.9cm: that is the Zugspitze and the ridges, which the board confirms are white by mid-month, rather than the valley you are standing in. The record: humidity 85 percent, 7.1 hours of sun and AQI 27.

Regulars talk about July here in terms of tickets rather than weather: Neuschwanstein sells out in early July, and the difference a reservation makes is five minutes at the window against a two-hour queue for a tour six hours later. Tour groups run up to forty people. The castle grounds are packed through the day and peaceful once the last tour has gone. What they mention only in passing is the thing our row shouts - this is the wettest month of the Alpine foothill year, 241.5mm across 20 precipitation days, so two days in three carry rain and mountain weather turns fast. Days are mild at 22.9C over 12.3C with almost no wind. Bring a waterproof and book ahead. The record: humidity 81 percent, 10.7 hours of sun, 15.5 hours of daylight and AQI 40.

August is the crowded month in this corner of Bavaria - Neuschwanstein, Fussen, Linderhof and Oberammergau sit close together and take the same traffic - and the forum's advice is almost entirely about the ticket. The castle is capacity-controlled, tours usually sell out by nine in the morning, and pre-booking is the difference between five minutes and a two-hour queue for a slot six hours later; a month ahead is the recommendation. Take the first English tour of the day. The bus up is packed in season and the twenty-minute walk is often quicker. Our row carries the other August warning: 228.7mm over 17.5 precipitation days. The record: 22.7C days that feel like 24C, 12.1C nights and 9.8 hours of sun.