Au, Austria in April has mild conditions, with highs averaging 13.9°C (57°F) and noticeably cooler mornings. Rain falls on about 15 days this month, totalling around 124 mm. Temperatures drop noticeably between day and night.
This month falls at the middle of Spring.
Daily highs in April gradually rise from around 12°C (54°F) at the start to 16°C (60°F) by month's end.
April sees fairly even rainfall, totalling about 123 mm across the month.
The warmest days tend to fall around the 30th, averaging 16.6°C (62°F).