May Weather in Rachau, Austria

Last updated: August 22, 2025

In May, the average temperature in Rachau, Austria hovers around 10°C (51°F), with a range that can dip to a brisk -4°C (26°F) or rise to a pleasant 25°C (77°F). Expect 157 mm (6.2 in) of precipitation over 21 days, contributing to the region's average humidity of 74%. Whether you're exploring the outdoors or enjoying indoor activities, be prepared for a mix of weather!

May Temperature in Rachau

In May in Rachau, the average temperature is 10°C (51°F). Maximum temperatures can reach 25°C (77°F), while minimums can drop as low as -4°C (26°F). This makes Rachau a versatile destination for travelers, providing both mild and cooler weather options for various outdoor activities.

May Weather in Rachau: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rachau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rachau, May typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (77°F) and lows dropping to around -4°C (26°F).

Data source: Temperature data for Rachau generated using information from the Copernicus Climate Change Service.

May Precipitation in Rachau

In Rachau in May, the total precipitation amount is 157 mm (6.2 in), falling over a span of 21 days.

May Precipitation Trends in Rachau

The chart displays monthly precipitation patterns in Rachau, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Rachau, May typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 21 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Rachau

In Rachau in May humidity is 74%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable as the cold air clings to your skin, and you may find yourself wishing you had packed an extra layer to stay warm and dry.

May Average Humidity in Rachau

This chart illustrates the average monthly humidity levels in Rachau, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Rachau is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rachau

In Rachau in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Rachau.

Maximum UV Index Levels in Rachau for May

The chart shows the monthly maximum UV Index (UVI) for Rachau in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Rachau typically reaches 8, which falls under the very high exposure category.

Data source: Rachau May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How May Weather in Rachau Compares to Other Months

Weather in Rachau varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Rachau, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Rachau, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	40 mm (1.6 inches)	91%	low
February Weather	-1°C (31°F)	44 mm (1.7 inches)	87%	moderate
March Weather	2°C (36°F)	52 mm (2.0 inches)	82%	moderate
April Weather	7°C (44°F)	72 mm (2.8 inches)	79%	high
May Weather	10°C (51°F)	157 mm (6.2 inches)	74%	very high
June Weather	16°C (61°F)	116 mm (4.6 inches)	75%	very high
July Weather	17°C (62°F)	143 mm (5.6 inches)	74%	very high
August Weather	17°C (62°F)	166 mm (6.5 inches)	68%	very high
September Weather	12°C (54°F)	122 mm (4.8 inches)	74%	high
October Weather	8°C (46°F)	68 mm (2.7 inches)	88%	moderate
November Weather	3°C (37°F)	75 mm (3.0 inches)	90%	moderate
December Weather	-2°C (29°F)	69 mm (2.7 inches)	89%	low