Jongny, Switzerland — Weather in May 2027

Climate Overview

Jongny, Switzerland in May has mild conditions, with highs averaging 16.9°C (62°F) and noticeably cooler mornings. Rain falls on about 15 days this month, totalling around 134 mm.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 15°C (58°F) at the start to 19°C (67°F) by month's end.

May sees fairly even rainfall, totalling about 132 mm across the month.

Expect around 9.1h of sunshine at the start of May, increasing to 11.5h by the end.

The warmest days tend to fall around the 28th, averaging 19.4°C (67°F).

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

Monthly May Averages

Temperature

17°C / 8°C

Feels Like

17°C / 6°C

Rain

15 days · 134 mm

Sunshine

10.4h / day

Humidity

76% — Humid

Wind

10 km/h

Wind Direction

NE (42°)

Gusts

29 km/h

Daylight

15 h

Cloud Cover

65%

Clear Sky Days

2.6

UV Index

5.8 — High

Dew Point

8°C — Dry

Moon Phase

Waxing Gibbous · 66%

Snow Days

1 days · 0.8 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 06:01

Daylight 15h

Sunset 21:00

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 / 0°C	2°C / -4°C	15days (136 mm) Wet	5.3h Fair	83% Humid	1.6 Low	Poor	View Details
February	8°C / 0°C	5°C / -3°C	11days (84 mm) Wet	6.7h Fair	80% Humid	2.4 Moderate	Poor	View Details
March	10°C / 1°C	8°C / -2°C	13days (94 mm) Wet	8.5h Good	76% Humid	3.9 Moderate	Poor	View Details
April	14°C / 4°C	12°C / 1°C	12days (89 mm) Wet	10.4h Excellent	73% Muggy	5.2 High	Fair	View Details
May	17°C / 8°C	17°C / 6°C	15days (134 mm) Wet	10.4h Excellent	76% Humid	5.8 High	Good	View Details
June best	22°C / 13°C	23°C / 13°C	13days (93 mm) Wet	11.7h Excellent	75% Muggy	6.8 High	Excellent	View Details
July best	24°C / 15°C	25°C / 16°C	13days (112 mm) Wet	12.1h Excellent	73% Muggy	6.9 High	Excellent	View Details
August best	24°C / 15°C	25°C / 16°C	10days (93 mm) Wet	11h Excellent	75% Muggy	6.2 High	Excellent	View Details
September best	19°C / 12°C	20°C / 12°C	12days (107 mm) Wet	8.9h Good	79% Humid	4.5 Moderate	Good	View Details
October	16°C / 8°C	15°C / 6°C	12days (100 mm) Wet	7.3h Good	82% Humid	3 Moderate	Good	View Details
November	10°C / 3°C	8°C / 1°C	14days (127 mm) Wet	5.7h Fair	84% Humid	1.8 Low	Poor	View Details
December	6°C / 1°C	4°C / -3°C	14days (140 mm) Wet	4.9h Fair	85% Humid	1.4 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 Jongny?

May is typically good for visiting Jongny, with average highs of 17°C (62°F) and around 15 rainy days. Jongny, Switzerland in May has mild conditions, with highs averaging 16.9°C (62°F) and noticeably cooler mornings. Rain

Does it rain a lot in Jongny in May?

Jongny typically sees around 15 rainy days in May with 134 mm (5.3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Jongny in May?

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

What should I pack for Jongny in May?

With highs of 17°C (62°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 Jongny?

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

What is the UV index in Jongny in May?

The average UV index in Jongny 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 Jongny in May?

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

Does it snow in Jongny in May?

Yes, Jongny typically sees around 1 snow days in May with roughly 1 cm (0 in) of snowfall.

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