Espoo, Finland — Weather in August 2026

Climate Overview

Espoo, Finland in August has mild conditions, with highs averaging 19.5°C (67°F) and noticeably cooler mornings. Rain falls on about 13 days this month. Sea temperature stays cool at 19.7°C (67°F).

This month falls at the end of Summer.

Daily highs in August gradually drop from around 20°C (69°F) at the start to 18°C (64°F) by month's end.

August sees fairly even rainfall, totalling about 79 mm across the month.

Expect around 12.0h of sunshine at the start of August, decreasing to 8.5h by the end.

The warmest days tend to fall around the 7th, averaging 20.4°C (69°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

20°C / 14°C

Feels Like

19°C / 13°C

Rain

13 days · 79 mm

Sunshine

11h / day

Humidity

79% — Humid

Wind

18 km/h

Wind Direction

SW (222°)

Gusts

38 km/h

Daylight

15.6 h

Cloud Cover

65%

Clear Sky Days

1.2

UV Index

4.3 — Moderate

Sea Temperature

20°C

Dew Point

13°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 05:35

Daylight 15.7h

Sunset 21:19

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	-1°C / -5°C	-6°C / -10°C	13days (63 mm) Wet	1.2h Poor	88% Very Muggy	0.4 Low	Poor	View Details
February	-1°C / -5°C	-6°C / -10°C	10days (53 mm) Wet	3.5h Poor	87% Very Muggy	1.1 Low	Poor	View Details
March	2°C / -3°C	-3°C / -8°C	9days (38 mm) Wet	6.7h Fair	83% Humid	2.3 Moderate	Poor	View Details
April	7°C / 1°C	3°C / -4°C	9days (44 mm) Wet	10.2h Excellent	76% Humid	3.4 Moderate	Poor	View Details
May	14°C / 7°C	11°C / 3°C	8days (43 mm) Wet	13.1h Excellent	68% Muggy	5.2 High	Fair	View Details
June best	19°C / 12°C	18°C / 10°C	10days (59 mm) Wet	14.2h Excellent	69% Muggy	5.5 High	Good	View Details
July best	21°C / 15°C	20°C / 14°C	13days (80 mm) Wet	13.3h Excellent	75% Muggy	5.3 High	Excellent	View Details
August best	20°C / 14°C	19°C / 13°C	13days (79 mm) Wet	11h Excellent	79% Humid	4.3 Moderate	Excellent	View Details
September best	15°C / 11°C	13°C / 9°C	10days (66 mm) Wet	7.9h Good	81% Humid	3.1 Moderate	Good	View Details
October	9°C / 5°C	6°C / 2°C	13days (66 mm) Wet	4.3h Fair	85% Humid	1.4 Low	Poor	View Details
November	4°C / 1°C	0°C / -3°C	14days (60 mm) Wet	1.6h Poor	88% Very Muggy	0.5 Low	Poor	View Details
December	1°C / -2°C	-4°C / -7°C	13days (61 mm) Wet	0.8h Poor	88% 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 jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Espoo?

August is typically excellent for visiting Espoo, with average highs of 20°C (67°F) and around 13 rainy days. Espoo, Finland in August has mild conditions, with highs averaging 19.5°C (67°F) and noticeably cooler mornings. Rain fa

Does it rain a lot in Espoo in August?

Espoo typically sees around 13 rainy days in August with 79 mm (3.1 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Espoo in August?

Evenings in Espoo during August are mild at 14°C (58°F). A light cardigan is usually enough.

What should I pack for Espoo in August?

With highs of 20°C (67°F) and lows of 14°C (58°F) in August, we recommend: Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Espoo in August?

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

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

Espoo gets approximately 16 hours of daylight per day in August, with around 11 hours of sunshine.

Does it snow in Espoo in August?

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

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