Freiburg weather in May
May in Freiburg: nice, rainy, with clean air — an excellent time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#5 of 12 months in Freiburg · #579 of 1413 destinations to visit in May · comfort 83/100 (tier A)
- Days
- 21°C
- Nights
- 8°C
- Wet days
- 12
- Sun
- 10.6 h
- Humidity
- 75%
- Daylight
- 15 h

Traveller notes on Freiburg in May
Notes from nearby Colmar (38 km away)
Freiburg doesn't have its own notes for May yet — these are about Colmar, close enough to share the season.
Regulars are specific this counts as an excellent month for the wider Alsace region, flower-lined streets and villages along the Wine Road in full bloom, outdoor cafes back open for the season. Our row backs that mild, genuinely wet read, 19.3C over 10.1C nights feeling 9C, with a substantial 106.6mm of rain across 15.1 days and a trace of very late snow, 0.2cm. Regulars are consistent this runs meaningfully warmer than October but also noticeably wetter, the tradeoff genuinely worth it for the flowers and the tail end of the Spring Market running into early May. Layers for cool mornings alongside genuinely warm afternoon sun remain the standard advice. The record: 10.6 hours of sun, a 12.8 kph wind and AQI 43.
Other months in Freiburg
Regulars are specific this counts as Germany's warmest and sunniest city, genuinely good odds of good weather though rainy, cool days remain possible at any point in the year regardless of reputation. Our row backs that warm, genuinely wet read, 25.5C over 13.3C nights feeling 13C, with a substantial 99.2mm of rain across 11.9 days and humidity at 73 percent. Regulars are consistent storms here run genuinely localised, one spot getting thunder, heavy rain and hail while another just a few kilometres away stays basically dry under the same system, typical of how hilly country channels weather. Checking conditions specifically for wherever you're headed in the Black Forest remains worthwhile regardless of the Freiburg forecast. The record: 12.1 hours of sun, an 11.9 kph wind and AQI 49.
Freiburg is usually Germany's warmest and sunniest city, sitting on the Upper Rhine plain, and the forum's regulars say your odds of good July weather here are as good as the country offers - while adding the German caveat that any month can turn wet and cool. The Black Forest behind the city is its own climate and swings widely across a summer day, which is the argument for basing yourself in the city and going up for the day: Triberg, the Vogtsbauernhof open-air museum, Gengenbach and Offenburg are all within reach, with Strasbourg and Baden-Baden not much further. The record: 26.7C days, 14.2C nights, 9 precipitation days, 12.3 hours of sun inside a 15.6-hour day, AQI 40.
Forum posters describe March here as genuinely bimodal - it can be mild and sunny, or it can drop to -10C with snow, and there's no reliable way to know which until close to the travel date. Posters do note Freiburg is generally considered Germany's warmest and sunniest city, so along a route through several German-speaking cities, it offers better odds of good weather than most alternatives - and going later in March specifically improves the chances that spring has properly arrived by the time of a visit. The consistent bottom-line advice: pack for both scenarios (a warm layer plus something genuinely winter-capable) rather than betting on either outcome.
Freiburg's forum calls it Germany's warmest and sunniest city, so odds of good September weather are better than most of the country, though the region is genuinely capable of a rainy, cool spell any time of year. Regulars note September is a pleasant month in the surrounding wine country as the grapes ripen, and recommend layers since daytime highs can swing widely from one week to the next.
Add your own note from Freiburg's card on the map.
Freiburg climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Freiburg in May
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 crowdsAscension and Whitsun, Whitsun/Pentecost holidays in Germany, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Freiburg'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).
Fair weatherFreiburg's best weather comes in June, July and September — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Freiburg in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Holiday
Ascension and Whitsun
14–25 MayNational holidayClosuresCrowdedAscension Day, a Thursday 39 days after Easter, and Whit Monday 11 days later are public holidays nationwide. Shops close on both, many people bridge them into long weekends, and trains, motorways and hotels in holiday areas get busy. Source ↗
Nearby, and something's on
Within 300 km of Freiburg — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Freiburg?
Freiburg in May — FAQ
- Is May a good time to visit Freiburg?
- May in Freiburg: nice, rainy, with clean air — an excellent time to visit. It ranks #5 of 12 months for Freiburg on SeasonMap's comfort score (83/100).
- What is the weather like in Freiburg in May?
- In May, Freiburg averages a daily high of 20.5°C and a low of 8.4°C, with about 92.5 mm of rain over roughly 11.7 rainy days.
- What is the air quality in Freiburg in May?
- Freiburg has a mean US Air Quality Index of about 44 in May.
Within 300 km: Strasbourg's Storks on the nests around 15 Feb – 31 Aug, and Baden-Baden's Roses on the Beutig around 25 May – 10 Jul.