Kellau, Austria — Weather in May 2027

Climate Overview

Kellau, Austria in May has mild conditions, with highs averaging 17.5°C (64°F) and noticeably cooler mornings. Rain falls on about 22 days this month, totalling around 208 mm.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 16°C (60°F) at the start to 19°C (66°F) by month's end.

May sees fairly even rainfall, totalling about 209 mm across the month.

Expect around 8.9h of sunshine at the start of May, increasing to 10.1h by the end.

The warmest days tend to fall around the 21th, averaging 19.3°C (67°F).

Compared to April, this month is about 4°C warmer with 6 more rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

18°C / 8°C

Feels Like

17°C / 6°C

Rain

22 days · 208 mm

Sunshine

9.5h / day

Humidity

82% — Very Humid

Wind

8 km/h

Wind Direction

WNW (286°)

Gusts

35 km/h

Daylight

15.1 h

Cloud Cover

72%

Clear Sky Days

1.7

UV Index

5.1 — High

Dew Point

10°C — Dry

Moon Phase

Waxing Gibbous · 66%

Snow Days

5 days · 8.5 cm

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:32

Daylight 15.1h

Sunset 20:38

What to Expect

Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

2 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	4°C / -5°C	1°C / -9°C	16days (131 mm) Wet	5.1h Fair	82% Humid	1.6 Low	Poor	View Details
February	7°C / -2°C	5°C / -6°C	13days (110 mm) Wet	6.6h Fair	80% Humid	2.3 Moderate	Poor	View Details
March	10°C / 0°C	7°C / -3°C	16days (120 mm) Wet	8.3h Good	78% Humid	3.5 Moderate	Poor	View Details
April	13°C / 3°C	12°C / 1°C	16days (124 mm) Wet	9.6h Good	76% Humid	4.8 Moderate	Fair	View Details
May	18°C / 8°C	17°C / 6°C	22days (208 mm) Wet	9.5h Good	82% Humid	5.1 High	Wet	View Details
June best	23°C / 13°C	25°C / 13°C	18days (185 mm) Wet	10.9h Excellent	80% Humid	6.2 High	Excellent	View Details
July best	24°C / 14°C	26°C / 15°C	21days (222 mm) Wet	10.8h Excellent	83% Humid	5.8 High	Wet	View Details
August best	24°C / 14°C	26°C / 15°C	18days (198 mm) Wet	9.8h Good	83% Humid	5.3 High	Excellent	View Details
September best	20°C / 11°C	21°C / 10°C	15days (164 mm) Wet	8.2h Good	84% Humid	4 Moderate	Good	View Details
October best	17°C / 7°C	16°C / 5°C	14days (130 mm) Wet	6.9h Fair	85% Humid	2.7 Moderate	Good	View Details
November	10°C / 1°C	8°C / -1°C	13days (113 mm) Wet	5.6h Fair	84% Humid	1.8 Low	Poor	View Details
December	6°C / -2°C	3°C / -6°C	15days (130 mm) Wet	4.6h Fair	83% Humid	1.3 Low	Poor	View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Kellau?

May is typically wet for visiting Kellau, with average highs of 18°C (64°F) and around 22 rainy days. Kellau, Austria in May has mild conditions, with highs averaging 17.5°C (64°F) and noticeably cooler mornings. Rain fall

Does it rain a lot in Kellau in May?

Kellau typically sees around 22 rainy days in May with 208 mm (8.2 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Kellau in May?

Nights in Kellau during May are cool at around 8°C (46°F). Bring a jacket or sweater for evenings.

What should I pack for Kellau in May?

With highs of 18°C (64°F) and lows of 8°C (46°F) in May, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Kellau?

May is not the most favourable month weather-wise in Kellau. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Kellau in May?

The average UV index in Kellau during May is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Kellau in May?

Kellau gets approximately 15 hours of daylight per day in May, with around 10 hours of sunshine.

Does it snow in Kellau in May?

Yes, Kellau typically sees around 5 snow days in May with roughly 9 cm (3 in) of snowfall.

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