Kópavogur, Iceland — Weather in August 2026

Climate Overview

Kópavogur, Iceland in August has mild conditions, with highs averaging 13.8°C (57°F) and noticeably cooler mornings. Rain falls on about 14 days this month. Sea temperature stays cool at 12.7°C (55°F).

This month falls at the end of Summer.

Temperatures remain fairly steady throughout August, with daily highs around 14°C (57°F).

August sees fairly even rainfall, totalling about 89 mm across the month.

Expect around 11.0h of sunshine at the start of August, decreasing to 8.1h by the end.

Wind speeds pick up through the month, from 16 km/h (10 mph) to 21 km/h (13 mph).

The warmest days tend to fall around the 5th, averaging 14.3°C (58°F).

Temperatures begin dropping heading into September.

Monthly August Averages

Temperature

14°C / 8°C

Feels Like

11°C / 6°C

Rain

14 days · 90 mm

Sunshine

9.5h / day

Humidity

82% — Very Humid

Wind

18 km/h

Wind Direction

NE (36°)

Gusts

40 km/h

Daylight

16.3 h

Cloud Cover

77%

Clear Sky Days

0.7

UV Index

3.2 — Moderate

Sea Temperature

13°C

Dew Point

8°C — Dry

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 05:20

Daylight 16.5h

Sunset 21:47

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	0°C / -4°C	-4°C / -10°C	18days (127 mm) Wet	1.4h Poor	82% Humid	0.2 Low	Wet	View Details
February	2°C / -3°C	-3°C / -8°C	18days (131 mm) Wet	3.5h Poor	83% Humid	0.8 Low	Wet	View Details
March	3°C / -2°C	-1°C / -7°C	18days (118 mm) Wet	6.6h Fair	79% Humid	1.8 Low	Wet	View Details
April	7°C / 1°C	3°C / -3°C	15days (109 mm) Wet	8.7h Good	79% Humid	3.2 Moderate	Poor	View Details
May	10°C / 4°C	7°C / 0°C	18days (109 mm) Wet	10.9h Excellent	78% Humid	3.9 Moderate	Wet	View Details
June best	12°C / 7°C	10°C / 4°C	15days (86 mm) Wet	10.8h Excellent	79% Humid	4.1 Moderate	Fair	View Details
July best	15°C / 9°C	13°C / 7°C	14days (73 mm) Wet	10.5h Excellent	81% Humid	3.9 Moderate	Fair	View Details
August best	14°C / 8°C	11°C / 6°C	14days (90 mm) Wet	9.5h Good	82% Humid	3.2 Moderate	Fair	View Details
September	11°C / 6°C	7°C / 2°C	18days (133 mm) Wet	7.2h Good	85% Humid	2.2 Moderate	Wet	View Details
October	7°C / 2°C	3°C / -2°C	17days (127 mm) Wet	4.5h Fair	86% Very Muggy	1 Low	Poor	View Details
November	3°C / -1°C	-1°C / -5°C	14days (102 mm) Wet	1.9h Poor	85% Humid	0.4 Low	Poor	View Details
December	1°C / -3°C	-4°C / -8°C	16days (110 mm) Wet	1.1h Poor	83% Humid	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

Layered clothingLight jacketUmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is August a good time to visit Kópavogur?

August is typically fair for visiting Kópavogur, with average highs of 14°C (57°F) and around 14 rainy days. Kópavogur, Iceland in August has mild conditions, with highs averaging 13.8°C (57°F) and noticeably cooler mornings. Rai

Does it rain a lot in Kópavogur in August?

Kópavogur typically sees around 14 rainy days in August with 90 mm (3.5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Kópavogur in August?

Nights in Kópavogur during August are cool at around 8°C (47°F). Bring a jacket or sweater for evenings.

What should I pack for Kópavogur in August?

With highs of 14°C (57°F) and lows of 8°C (47°F) in August, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Kópavogur in August?

The average UV index in Kópavogur during August is 3 (moderate). Sunscreen and sunglasses are recommended during midday hours.

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

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

Does it snow in Kópavogur in August?

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

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