Lancy, Switzerland — Weather in May 2027

Climate Overview

Lancy, Switzerland in May has mild conditions, with highs averaging 18.2°C (65°F) and noticeably cooler mornings. Rain falls on about 16 days this month, totalling around 159 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 21°C (69°F) by month's end.

May sees fairly even rainfall, totalling about 157 mm across the month.

Expect around 9.4h of sunshine at the start of May, increasing to 11.8h by the end.

The warmest days tend to fall around the 28th, averaging 20.9°C (70°F).

Compared to April, this month is about 3°C warmer with 4 more rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

18°C / 9°C

Feels Like

18°C / 8°C

Rain

16 days · 159 mm

Sunshine

10.5h / day

Humidity

75% — Humid

Wind

12 km/h

Wind Direction

NNW (332°)

Gusts

36 km/h

Daylight

15 h

Cloud Cover

64%

Clear Sky Days

UV Index

5.8 — High

Dew Point

9°C — Dry

Moon Phase

Waxing Gibbous · 66%

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 06:05

Daylight 15h

Sunset 21:02

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.

1 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	5°C / -1°C	2°C / -4°C	14days (157 mm) Wet	5.2h Fair	81% Humid	1.6 Low	Poor	View Details
February	9°C / 1°C	6°C / -2°C	11days (99 mm) Wet	6.7h Fair	78% Humid	2.4 Moderate	Poor	View Details
March	12°C / 2°C	9°C / -1°C	13days (125 mm) Wet	8.4h Good	75% Muggy	3.9 Moderate	Poor	View Details
April	15°C / 6°C	14°C / 3°C	12days (105 mm) Wet	10.2h Excellent	70% Muggy	5.4 High	Fair	View Details
May	18°C / 9°C	18°C / 8°C	16days (159 mm) Wet	10.5h Excellent	75% Muggy	5.8 High	Fair	View Details
June best	23°C / 15°C	25°C / 15°C	16days (148 mm) Wet	11.9h Excellent	74% Muggy	6.8 High	Excellent	View Details
July best	25°C / 16°C	27°C / 17°C	13days (120 mm) Wet	12.3h Excellent	70% Muggy	6.8 High	Excellent	View Details
August best	25°C / 16°C	27°C / 17°C	12days (103 mm) Wet	11.4h Excellent	70% Muggy	6.1 High	Excellent	View Details
September best	21°C / 12°C	21°C / 12°C	12days (128 mm) Wet	9.3h Good	77% Humid	4.5 Moderate	Excellent	View Details
October	17°C / 8°C	16°C / 6°C	12days (141 mm) Wet	7.4h Good	81% Humid	3 Moderate	Fair	View Details
November	10°C / 3°C	8°C / 0°C	14days (147 mm) Wet	5.6h Fair	84% Humid	1.8 Low	Poor	View Details
December	7°C / 0°C	4°C / -3°C	14days (168 mm) Wet	4.8h Fair	84% Humid	1.4 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

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

Packing List

Warm evening layerUmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Lancy?

May is typically fair for visiting Lancy, with average highs of 18°C (65°F) and around 16 rainy days. Lancy, Switzerland in May has mild conditions, with highs averaging 18.2°C (65°F) and noticeably cooler mornings. Rain f

Does it rain a lot in Lancy in May?

Lancy typically sees around 16 rainy days in May with 159 mm (6.3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Lancy in May?

Nights in Lancy during May are cool at around 9°C (49°F). Bring a jacket or sweater for evenings.

What should I pack for Lancy in May?

With highs of 18°C (65°F) and lows of 9°C (49°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Lancy in May?

The average UV index in Lancy during May is 6 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

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

Lancy gets approximately 15 hours of daylight per day in May, with around 11 hours of sunshine.

Does it snow in Lancy in May?

Snow is uncommon in Lancy during May based on 10-year climate averages.

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