Cool
Average highs are around 17°C, so pack for cooler days.
May verdict
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 6h per day, enough for a balanced month. Rainfall averages 104mm, so some wet days are possible.

Monthly averages
Temp
17°C
Rain
104mm
Sun
6h
Weather score
32
Poor
Cool
Average highs are around 17°C, so pack for cooler days.
Showers
Rainfall averages 104mm, so some wet days are possible.
Some sun
Sunshine averages 6h per day, enough for a balanced month.
Map
Compare Dornbirn, Austria with nearby places by weather score, rain, sun, temperature, and swim conditions.
May17°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
May104mm average rain
May is wetter than Dornbirn's yearly average, so flexible plans matter more.
Driest monthsJanuary to April and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May6 hours average sun
May is brighter than Dornbirn's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
May32 weather score
May scores below Dornbirn's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.