Strasbourg weather in August

August in Strasbourg: warm, a little rain, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Strasbourg🇫🇷 France · Western Europe · City87
  1. 51Jan
  2. 64Feb
  3. 72Mar
  4. 81Apr
  5. 85May
  6. 88Jun
  7. 90Jul
  8. 87Aug
  9. 93Sep
  10. 76Oct
  11. 62Nov
  12. 55Dec

#4 of 12 months in Strasbourg · #396 of 1413 destinations to visit in August · comfort 87/100 (tier A)

Days
27°C
Nights
15°C
Wet days
9
Sun
10.9 h
Humidity
68%
Daylight
14 h
Strasbourg, France
Photo: Florian Süß · Pexels

Traveller notes on Strasbourg in August

August here pulls in two directions and regulars name both. The school holidays fill the old town and the Alsace villages; the European Parliament closes for the month, which takes its business travellers out and brings hotel rates down rather than up. That combination is unusual enough to be worth planning around. The weather is warm and unpromised - our row gives 27.3C reading as 28C over 15.1C nights, with 60.3mm of rain across 8.7 days, and the board's own caution is that summer here can still turn bad. Some prefer late August into September for the softer light. The record: humidity 68 percent, 10.9 hours of sun and AQI 44.
TheParliamentGoesOnHoliday · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Strasbourg

Regulars are specific this technically counts as the wettest month of the year here, an umbrella genuinely worth carrying, though rain tends to arrive as afternoon thunderstorms that clear quickly rather than a settled grey day. Our row backs that mild, genuinely wet read, 21.2C over 9.9C nights, with 77.5mm of rain across 10.5 days and humidity at 70 percent. Regulars are consistent this remains genuinely excellent walking weather overall, storks visibly migrating back to the region as a real seasonal marker, with noticeably fewer crowds and shorter museum lines than deep summer. This counts among the better months to pair with Alsace day trips before the peak-season rush arrives. The record: 10.9 hours of sun, a 13.4 kph wind and AQI 46.
WettestMonthButStormsClearQuickly · May · 1 month ago · Read more on Tripadvisor ↗
Regulars put early June here in the low to mid twenties, tell you to bring an umbrella anyway, and make the honest promise rather than the confident one: a week in June will almost certainly contain some good days. Our 26.2C over 14.4C sits at the top of their range, with 83.6mm across 10.2 days. What June has over July and August is not weather but quiet - those two are drier and also full, because the French school holidays and the tourist season land together. Summers here are warm and humid and the board has seen both a week of heavy rain and an outright heatwave in these months. Daylight runs to 16.1 hours. The record: humidity 69 percent, 12.3 hours of sun and AQI 51.
DrierThanMayBusierInJuly · June · 1 month ago · Read more on Tripadvisor ↗
July in Strasbourg is warm and humid, and regulars are candid that nobody can tell you what a given day will do more than about two days ahead. Their mid-70s Fahrenheit is our row's 27.4C reading as 28C, and the rain they warn about shows up as 57.4mm across 9 precipitation days - not a wet month by Alsace standards, but enough that layers and a rain covering are the standing packing advice. July and August they call the safer half of the year for dry weather, with the caveat attached. The Rhine-plain humidity is what makes the same temperature feel heavier here than in Paris. The record: 14.9C nights, humidity 65 percent, 12.3 hours of sun and a 15.7-hour day.
TwoDaysOfForecastOnly · July · 1 month ago · Read more on Tripadvisor ↗
Strasbourg forum threads describe January as genuinely cold and often gloomy, with posters citing a typical range up to around 12C on a mild day but warning an unusual cold snap could in theory push toward -20C, though that extreme was called rare. Grey skies, bare trees and wet conditions were described as the norm rather than the exception, with real feel temperatures running noticeably colder than the official number once wind is factored in. Streets can turn icy and slushy enough to be genuinely hazardous underfoot, and while snow settling in the city itself was called unlikely, posters noted it can be disruptive on the occasions it does happen. The consistent upside: most attractions stay open through January, and the city is notably less crowded than during the December Christmas market rush.
PetiteFranceRegular · January · 1 month ago · Read more on Tripadvisor ↗

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Strasbourg climate normals — August

Daytime high27°C / 81°F🌤 warm
Nighttime low15°C / 59°F
Feels like (high)28°C / 82°F
Rainfall60 mm / 2.4 in🌦 some rain
Rainy days9 days
Humidity68%💧 humid
Dew point14°C / 57°F
Sunshine10.9 h/day
Daylight14.3 h
Wind11 km/h / 7 mph
Air quality (US AQI)44🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Strasbourg in August

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.

BusySummer holidays in France, school holidays in 6 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Strasbourg'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 weatherStrasbourg's best weather comes in June, July and September — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Strasbourg in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Parliament plenary weeks

    1 Jan – 31 DecBook early

    The European Parliament sits here for four days, twelve times a year. In those weeks the hotels are full at business rates and the restaurants near the Wacken take bookings only. Check the calendar before you pick dates. Source ↗

  • Nature

    Storks on the nests

    15 Feb – 31 Aug · usuallyBirdlife season

    Storks are back on the chimneys and church roofs of the villages around the city from February, and the young are flying by August. Plenty no longer migrate at all, so a winter nest is not unusual.

  • Opening

    Cathedral summer light show

    1 Jul – 5 Sep · usuallySummer season opens

    A projection on the cathedral front runs nightly through the summer, free, with the Petite France bridges lit alongside it. It starts late in July because the light does. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Strasbourg — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Strasbourg?

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Strasbourg in August — FAQ

Is August a good time to visit Strasbourg?
August in Strasbourg: warm, a little rain, with clean air — an excellent time to visit. It ranks #4 of 12 months for Strasbourg on SeasonMap's comfort score (87/100).
What is the weather like in Strasbourg in August?
In August, Strasbourg averages a daily high of 27.3°C and a low of 15.1°C, with about 60.3 mm of rain over roughly 8.7 rainy days.
What is the air quality in Strasbourg in August?
Strasbourg has a mean US Air Quality Index of about 44 in August.

Within 300 km: Zürich's Street Parade around 5–16 Aug, and Luxembourg's Schueberfouer on 21 Aug – 9 Sep.