Kello, Finland — Weather in August 2026

Climate Overview

Kello, Finland in August has mild conditions, with highs averaging 18°C (64°F) and noticeably cooler mornings. Rain falls on about 14 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 (67°F) at the start to 16°C (61°F) by month's end.

August sees fairly even rainfall, totalling about 96 mm across the month.

Expect around 11.3h of sunshine at the start of August, decreasing to 10.1h by the end.

The warmest days tend to fall around the 1th, averaging 19.9°C (68°F).

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

Monthly August Averages

Temperature

18°C / 13°C

Feels Like

17°C / 11°C

Rain

14 days · 96 mm

Sunshine

10.9h / day

Humidity

78% — Humid

Wind

20 km/h

Wind Direction

SSW (196°)

Gusts

36 km/h

Daylight

16.5 h

Cloud Cover

65%

Clear Sky Days

1.3

UV Index

3.7 — Moderate

Sea Temperature

20°C

Dew Point

12°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 05:03

Daylight 16.7h

Sunset 21:46

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.

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 / -10°C	-11°C / -15°C	9days (35 mm) Wet	0.8h Poor	86% Very Muggy	0.2 Low	Poor	View Details
February	-5°C / -9°C	-10°C / -14°C	9days (38 mm) Wet	2.7h Poor	86% Very Muggy	0.8 Low	Poor	View Details
March	-2°C / -7°C	-7°C / -12°C	9days (31 mm) Wet	6.6h Fair	84% Humid	2 Low	Poor	View Details
April	3°C / -3°C	-1°C / -8°C	8days (37 mm) Wet	10.1h Excellent	81% Humid	3.1 Moderate	Poor	View Details
May	10°C / 4°C	7°C / 0°C	8days (43 mm) Wet	12.9h Excellent	74% Muggy	4.3 Moderate	Fair	View Details
June best	17°C / 11°C	15°C / 9°C	9days (60 mm) Wet	14.7h Excellent	70% Muggy	4.7 Moderate	Good	View Details
July best	20°C / 15°C	20°C / 13°C	12days (80 mm) Wet	13.5h Excellent	74% Muggy	4.5 Moderate	Excellent	View Details
August best	18°C / 13°C	17°C / 11°C	14days (96 mm) Wet	10.9h Excellent	78% Humid	3.7 Moderate	Good	View Details
September	13°C / 9°C	11°C / 6°C	12days (72 mm) Wet	6.6h Fair	83% Humid	2.3 Moderate	Fair	View Details
October	6°C / 3°C	2°C / -1°C	13days (77 mm) Wet	3.4h Poor	87% Very Muggy	1 Low	Poor	View Details
November	1°C / -2°C	-4°C / -7°C	11days (51 mm) Wet	0.9h Poor	89% Very Muggy	0.3 Low	Poor	View Details
December	-2°C / -6°C	-7°C / -11°C	11days (48 mm) Wet	0.5h Poor	89% Very Muggy	0.1 Low	Poor	View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

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

Packing List

UmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Kello?

August is typically good for visiting Kello, with average highs of 18°C (64°F) and around 14 rainy days. Kello, Finland in August has mild conditions, with highs averaging 18°C (64°F) and noticeably cooler mornings. Rain fall

Does it rain a lot in Kello in August?

Kello typically sees around 14 rainy days in August with 96 mm (3.8 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Kello in August?

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

What should I pack for Kello in August?

With highs of 18°C (64°F) and lows of 13°C (56°F) in August, we recommend: Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Kello in August?

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

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

Kello gets approximately 17 hours of daylight per day in August, with around 11 hours of sunshine.

Does it snow in Kello in August?

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

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