Ayer, Switzerland — Weather in August 2026

Climate Overview

Ayer, Switzerland in August has warm conditions, with highs averaging 20.6°C (69°F). Rain falls on about 13 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Summer.

Temperatures remain fairly steady throughout August, with daily highs around 20°C (68°F).

August sees fairly even rainfall, totalling about 115 mm across the month.

Expect around 11.7h of sunshine at the start of August, decreasing to 10.0h by the end.

The warmest days tend to fall around the 14th, averaging 21.9°C (71°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

21°C / 10°C

Feels Like

21°C / 10°C

Rain

13 days · 114 mm

Sunshine

11.2h / day

Humidity

73% — Humid

Wind

7 km/h

Wind Direction

NW (304°)

Gusts

34 km/h

Daylight

14.1 h

Cloud Cover

57%

Clear Sky Days

UV Index

6.3 — High

Dew Point

11°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 06:30

Daylight 14.2h

Sunset 20:41

What to Expect

Daytime temperatures around 21°C (69°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

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	-2°C / -10°C	-5°C / -14°C	14days (135 mm) Wet	5.9h Fair	71% Muggy	2.1 Moderate	Poor	View Details
February	2°C / -7°C	-1°C / -11°C	11days (90 mm) Wet	7.3h Good	70% Muggy	3.1 Moderate	Poor	View Details
March	4°C / -4°C	2°C / -8°C	13days (113 mm) Wet	9h Good	72% Muggy	4.6 Moderate	Poor	View Details
April	8°C / 0°C	6°C / -3°C	12days (105 mm) Wet	10.8h Excellent	75% Muggy	5.8 High	Poor	View Details
May	11°C / 3°C	11°C / 1°C	19days (154 mm) Wet	10.5h Excellent	80% Humid	6.1 High	Wet	View Details
June best	18°C / 9°C	19°C / 8°C	17days (124 mm) Wet	11.6h Excellent	77% Humid	7 High	Good	View Details
July best	21°C / 11°C	21°C / 10°C	15days (118 mm) Wet	12.3h Excellent	73% Muggy	7 High	Good	View Details
August best	21°C / 10°C	21°C / 10°C	13days (114 mm) Wet	11.2h Excellent	73% Muggy	6.3 High	Excellent	View Details
September best	16°C / 7°C	16°C / 5°C	13days (112 mm) Wet	9.3h Good	79% Humid	4.7 Moderate	Good	View Details
October	12°C / 3°C	10°C / 0°C	12days (112 mm) Wet	7.7h Good	80% Humid	3.3 Moderate	Fair	View Details
November	4°C / -4°C	2°C / -8°C	14days (118 mm) Wet	6.3h Fair	79% Humid	2.2 Moderate	Poor	View Details
December	0°C / -8°C	-4°C / -12°C	13days (142 mm) Wet	5.3h Fair	73% Muggy	1.8 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.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

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

Packing List

Warm evening layerUmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Ayer?

August is typically excellent for visiting Ayer, with average highs of 21°C (69°F) and around 13 rainy days. Ayer, Switzerland in August has warm conditions, with highs averaging 20.6°C (69°F). Rain falls on about 13 days this mo

Does it rain a lot in Ayer in August?

Ayer typically sees around 13 rainy days in August with 114 mm (4.5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Ayer in August?

Nights in Ayer during August are cool at around 10°C (51°F). Bring a jacket or sweater for evenings.

What should I pack for Ayer in August?

With highs of 21°C (69°F) and lows of 10°C (51°F) in August, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses. Comfortable walking shoes are essential.

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

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

What is the UV index in Ayer in August?

The average UV index in Ayer 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 Ayer in August?

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

Does it snow in Ayer in August?

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

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