Rorschach, Switzerland — Weather in August 2026

Climate Overview

Rorschach, Switzerland in August has warm conditions, with highs averaging 23.7°C (75°F). Rain falls on about 14 days this month.

This month falls at the end of Summer.

Temperatures remain fairly steady throughout August, with daily highs around 23°C (73°F).

Rainfall is heaviest during the last third of the month, while the middle tends to be drier.

Expect around 10.5h of sunshine at the start of August, decreasing to 8.6h by the end.

The warmest days tend to fall around the 14th, averaging 25.5°C (78°F).

Compared to July, this month is about 0°C cooler with 2 fewer rainy days. Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

24°C / 16°C

Feels Like

25°C / 17°C

Rain

14 days · 172 mm

Sunshine

10.2h / day

Humidity

77% — Humid

Wind

9 km/h

Wind Direction

WSW (249°)

Gusts

24 km/h

Daylight

14.2 h

Cloud Cover

57%

Clear Sky Days

4.3

UV Index

5.6 — High

Dew Point

16°C — Comfortable

Moon Phase

Waxing Crescent · 3%

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 06:19

Daylight 14.3h

Sunset 20:37

What to Expect

Daytime temperatures around 24°C (75°F) are ideal for full-day outdoor exploration. 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	4°C / -2°C	1°C / -6°C	15days (114 mm) Wet	5.1h Fair	82% Humid	1.5 Low	Poor	View Details
February	7°C / -1°C	4°C / -4°C	12days (78 mm) Wet	6.4h Fair	79% Humid	2.2 Moderate	Poor	View Details
March	10°C / 2°C	8°C / -1°C	13days (86 mm) Wet	8.2h Good	76% Humid	3.3 Moderate	Poor	View Details
April	14°C / 5°C	13°C / 3°C	13days (98 mm) Wet	9.8h Good	73% Muggy	4.8 Moderate	Fair	View Details
May	18°C / 9°C	17°C / 8°C	17days (148 mm) Wet	9.8h Good	75% Muggy	5.6 High	Fair	View Details
June best	23°C / 15°C	24°C / 15°C	15days (147 mm) Wet	11.4h Excellent	75% Muggy	6.5 High	Excellent	View Details
July best	24°C / 16°C	25°C / 17°C	16days (149 mm) Wet	11.2h Excellent	75% Muggy	6.3 High	Excellent	View Details
August best	24°C / 16°C	25°C / 17°C	14days (172 mm) Wet	10.2h Excellent	77% Humid	5.6 High	Excellent	View Details
September best	20°C / 12°C	20°C / 12°C	13days (120 mm) Wet	8.7h Good	80% Humid	4.1 Moderate	Good	View Details
October best	16°C / 8°C	15°C / 6°C	13days (101 mm) Wet	6.9h Fair	82% Humid	2.8 Moderate	Good	View Details
November	9°C / 3°C	7°C / 0°C	14days (94 mm) Wet	5.3h Fair	84% Humid	1.6 Low	Poor	View Details
December	6°C / 0°C	3°C / -4°C	15days (103 mm) Wet	4.6h Fair	83% Humid	1.2 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

UmbrellaWaterproof jacketWaterproof shoesSunscreen (SPF 30+)Sunglasses

Frequently Asked Questions

Expand all

Is August a good time to visit Rorschach?

August is typically excellent for visiting Rorschach, with average highs of 24°C (75°F) and around 14 rainy days. Rorschach, Switzerland in August has warm conditions, with highs averaging 23.7°C (75°F). Rain falls on about 14 days th

Does it rain a lot in Rorschach in August?

Rorschach typically sees around 14 rainy days in August with 172 mm (6.8 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Rorschach in August?

Evenings in Rorschach during August are mild at 16°C (61°F). A light cardigan is usually enough.

What should I pack for Rorschach in August?

With highs of 24°C (75°F) and lows of 16°C (61°F) in August, we recommend: Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. Comfortable walking shoes are essential.

Is August among the best months weather-wise in Rorschach?

Yes, August offers some of the best weather conditions in Rorschach with comfortable temperatures and lower chances of rain.

What is the UV index in Rorschach in August?

The average UV index in Rorschach during August 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 Rorschach in August?

Rorschach gets approximately 14 hours of daylight per day in August, with around 10 hours of sunshine.

Does it snow in Rorschach in August?

Snow is uncommon in Rorschach during August based on 10-year climate averages.

Last updated: