Västerås, Sweden — Weather in August 2026

Climate Overview

Västerås, Sweden in August has warm conditions, with highs averaging 20.9°C (70°F). Rain falls on about 12 days this month.

This month falls at the end of Summer.

Daily highs in August gradually drop from around 22°C (71°F) at the start to 19°C (67°F) by month's end.

August sees fairly even rainfall, totalling about 86 mm across the month.

Expect around 11.5h of sunshine at the start of August, decreasing to 8.1h by the end.

The warmest days tend to fall around the 14th, averaging 22.2°C (72°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

21°C / 13°C

Feels Like

20°C / 12°C

Rain

12 days · 86 mm

Sunshine

10.4h / day

Humidity

75% — Humid

Wind

15 km/h

Wind Direction

SW (229°)

Gusts

36 km/h

Daylight

15.5 h

Cloud Cover

66%

Clear Sky Days

1.2

UV Index

4.3 — Moderate

Dew Point

13°C — Comfortable

Moon Phase

Waxing Crescent · 3%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:10

Daylight 15.6h

Sunset 20:45

What to Expect

Daytime temperatures around 21°C (70°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	0°C / -4°C	-4°C / -9°C	9days (42 mm) Wet	2h Poor	87% Very Muggy	0.5 Low	Poor	View Details
February	2°C / -4°C	-2°C / -8°C	8days (32 mm) Wet	4.3h Fair	83% Humid	1.1 Low	Poor	View Details
March	5°C / -2°C	1°C / -6°C	7days (31 mm) Good	6.7h Fair	76% Humid	2.4 Moderate	Poor	View Details
April	10°C / 1°C	7°C / -3°C	8days (34 mm) Wet	9.8h Good	68% Muggy	3.3 Moderate	Poor	View Details
May best	17°C / 7°C	14°C / 4°C	9days (51 mm) Wet	12h Excellent	63% Muggy	4.9 Moderate	Fair	View Details
June best	22°C / 12°C	20°C / 11°C	10days (58 mm) Wet	13.3h Excellent	64% Muggy	5.5 High	Excellent	View Details
July best	22°C / 14°C	22°C / 13°C	11days (76 mm) Wet	12.8h Excellent	69% Muggy	5.2 High	Excellent	View Details
August best	21°C / 13°C	20°C / 12°C	12days (86 mm) Wet	10.4h Excellent	75% Muggy	4.3 Moderate	Excellent	View Details
September best	17°C / 10°C	15°C / 8°C	9days (52 mm) Wet	7.5h Good	80% Humid	3.1 Moderate	Good	View Details
October	10°C / 5°C	7°C / 2°C	10days (60 mm) Wet	4.4h Fair	85% Humid	1.5 Low	Poor	View Details
November	5°C / 1°C	1°C / -3°C	9days (45 mm) Wet	2.1h Poor	90% Very Muggy	0.6 Low	Poor	View Details
December	2°C / -2°C	-2°C / -6°C	11days (48 mm) Wet	1.2h Poor	89% Very Muggy	0.3 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 jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Västerås?

August is typically excellent for visiting Västerås, with average highs of 21°C (70°F) and around 12 rainy days. Västerås, Sweden in August has warm conditions, with highs averaging 20.9°C (70°F). Rain falls on about 12 days this mon

Does it rain a lot in Västerås in August?

Västerås typically sees around 12 rainy days in August with 86 mm (3.4 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Västerås in August?

Evenings in Västerås during August are mild at 13°C (56°F). A light cardigan is usually enough.

What should I pack for Västerås in August?

With highs of 21°C (70°F) and lows of 13°C (56°F) in August, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Västerås in August?

The average UV index in Västerås during August is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Västerås in August?

Västerås gets approximately 16 hours of daylight per day in August, with around 10 hours of sunshine.

Does it snow in Västerås in August?

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

Last updated: