What is the weather like in Reykjavik in August?

Expect temperatures between 9°C and 14°C with 35% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Reykjavik in August?

Reykjavik in August scores 62/100 based on 30 years of climate data. A reasonable choice for your trip.

Who should visit Reykjavik in August?

August in Reykjavik is ideal for: Cultural tourists, Business travelers.

Reykjavik Weather in August | 30-Year Forecast

Avg High

14°C

Hottest around day 1

Avg Low

9°C

Coolest around day 29

Rainy Days

31days

35% avg rain chance

Sunshine

8hrs/day

Summer season

Sea Temperature in August

Atlantic Ocean(Atlantshafið)

12.6°C

Monthly Average

Water Feel

🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating

❄️Cold water hazard

Based on average sea surface temperature

Body of Water

Atlantic Ocean

Atlantshafið

Reykjavik coastline

Essential Travel Info for Reykjavik

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

Currency

ISK

kr Icelandic króna

Language

Icelandic

Driving

Right side

Safety

Very High Safety

GPI: 1.107

Travel Intelligence

Exclusive flight analytics & health data for Reykjavik

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate

41/ 100

Traffic Index

Balanced traffic

Peak Daily Arrivals

slots per day

Peak

Jul

Low

Sep

Monthly Traffic Distribution

Jan

Feb

Mar

Apr

May

Jun

110

Jul

105

Aug

Sep

Oct

Nov

Dec

Traffic Level

Low Season

Key Connections

Copenhagen Kastrup (CPH)

London Heathrow (LHR)

Manchester (MAN)

Amsterdam Schiphol (AMS)

Helsinki Vantaa (HEL)

Health & Safety Advisory

CDC travel health recommendations

6 Recommendations

COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers of all ages traveling to Iceland.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Iceland.If rabies exposures occur while in Iceland, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Yellow Fever

CDC recommendations:Vaccine isnotrecommended.Country entry requirements:Vaccine isnotrequired.Updated April 23, 2025

Source: CDC Travelers' Health

View Complete Health Guide

Is August a Good Time to Visit Reykjavik?

👌A reasonable choice for your trip(62/100)

Short Answer

Don't expect beach weather in Reykjavik's August: 12.6°C cold seas despite 14°C air temps. Coastal scenery remains beautiful, just pack warm layers.

Decision Factors

Vaccinations required

Yellow Fever

Seismically active region

12 earthquakes recorded in this month (30-year data)

Very high humidity

83% average humidity

Peak tourist season

95% of annual peak - expect crowds and peak prices

Cold sea - swimming challenging

12.6°C sea temperature - Polar Plunge

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Tuberculosis (TB)

Good For

🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 12.6°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere
👴
Elderly travelers
83% humidity creates difficult conditions
📸
Photographers
76% cloud cover limits natural light opportunities

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Reykjavik in August averages 14°C with 35% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Reykjavik in August

What are the temperatures in Reykjavik in August?

Daytime highs average 14°C, nights drop to 9°C. Temperatures remain fairly consistent.

How many rainy days in Reykjavik in August?

Expect around 31 days with measurable rainfall. An umbrella is advisable.

What to wear in Reykjavik in August?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is August peak season in Reykjavik?

This is shoulder season—moderate prices and manageable crowds.

Reykjavik Weather in August

Sea Temperature in August

Reykjavik August Weather Calendar

Essential Travel Info for Reykjavik

Travel Intelligence

Smart Flight Estimator

Flight Connectivity Analysis

Monthly Traffic Distribution

Key Connections

Health & Safety Advisory

COVID-19

Hepatitis A

Hepatitis B

Measles

Rabies

Yellow Fever

Is August a Good Time to Visit Reykjavik?

Decision Factors

Good For

Who Should Avoid

Related Guides

Frequently Asked Questions: Reykjavik in August

What are the temperatures in Reykjavik in August?

How many rainy days in Reykjavik in August?

What to wear in Reykjavik in August?

Is August peak season in Reykjavik?