Uster, Switzerland — Weather in August 2026

Climate Overview

Uster, Switzerland in August has warm conditions, with highs averaging 24.1°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 10.9h of sunshine at the start of August, decreasing to 8.9h by the end.

The warmest days tend to fall around the 14th, averaging 25.9°C (79°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 / 15°C

Feels Like

26°C / 16°C

Rain

14 days · 160 mm

Sunshine

10.5h / day

Humidity

76% — Humid

Wind

9 km/h

Wind Direction

W (277°)

Gusts

28 km/h

Daylight

14.2 h

Cloud Cover

56%

Clear Sky Days

4.4

UV Index

5.6 — High

Dew Point

15°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 06:22

Daylight 14.3h

Sunset 20:40

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.

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	5°C / -1°C	2°C / -5°C	15days (131 mm) Wet	5.5h Fair	83% Humid	1.5 Low	Poor	View Details
February	8°C / -1°C	5°C / -4°C	12days (89 mm) Wet	6.8h Fair	79% Humid	2.2 Moderate	Poor	View Details
March	11°C / 1°C	8°C / -2°C	14days (97 mm) Wet	8.5h Good	76% Humid	3.4 Moderate	Poor	View Details
April	14°C / 4°C	13°C / 1°C	14days (111 mm) Wet	10.2h Excellent	74% Muggy	4.9 Moderate	Fair	View Details
May	18°C / 8°C	17°C / 6°C	19days (170 mm) Wet	10.3h Excellent	77% Humid	5.6 High	Wet	View Details
June best	23°C / 13°C	24°C / 13°C	16days (168 mm) Wet	11.7h Excellent	75% Muggy	6.5 High	Excellent	View Details
July best	24°C / 15°C	25°C / 16°C	16days (145 mm) Wet	11.7h Excellent	74% Muggy	6.4 High	Excellent	View Details
August best	24°C / 15°C	26°C / 16°C	14days (160 mm) Wet	10.5h Excellent	76% Humid	5.6 High	Excellent	View Details
September best	20°C / 12°C	20°C / 11°C	14days (129 mm) Wet	9.1h Good	81% Humid	4.2 Moderate	Excellent	View Details
October best	16°C / 7°C	15°C / 6°C	13days (108 mm) Wet	7.2h Good	83% Humid	2.8 Moderate	Good	View Details
November	9°C / 2°C	7°C / 0°C	14days (104 mm) Wet	5.7h Fair	85% Humid	1.6 Low	Poor	View Details
December	6°C / 0°C	4°C / -3°C	15days (121 mm) Wet	4.9h Fair	85% Humid	1.2 Low	Poor	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

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

Packing List

UmbrellaWaterproof jacketWaterproof shoesBreathable clothingSunscreen (SPF 30+)Sun hatSunglasses

Frequently Asked Questions

Expand all

Is August a good time to visit Uster?

August is typically excellent for visiting Uster, with average highs of 24°C (75°F) and around 14 rainy days. Uster, Switzerland in August has warm conditions, with highs averaging 24.1°C (75°F). Rain falls on about 14 days this m

Does it rain a lot in Uster in August?

Uster typically sees around 14 rainy days in August with 160 mm (6.3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Uster in August?

Evenings in Uster during August are mild at 15°C (60°F). A light cardigan is usually enough.

What should I pack for Uster in August?

With highs of 24°C (75°F) and lows of 15°C (60°F) in August, we recommend: Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). Comfortable walking shoes are essential.

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

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

What is the UV index in Uster in August?

The average UV index in Uster 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 Uster in August?

Uster gets approximately 14 hours of daylight per day in August, with around 11 hours of sunshine.

Does it snow in Uster in August?

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

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