30YearWeather
Reykjavik, August 11
Reykjavik street view during August
Historical Weather Analysis

Reykjavik Weather on August 11 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

14.4°C

High

8.9°C

Low

31%

Rain

🌤️ Feels like 14.2°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

August 11 is generally a great time to visit Reykjavik. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 14°C weather. Expect a bustling atmosphere in Reykjavik right now—this is when the city truly comes alive with visitors.

Currency

ISK

kr Icelandic króna

Language

Icelandic

Driving

Right side

Safety

Very High Safety

GPI: 1.107

Reykjavik Weather Forecast for August 11

"Mild & Comfortable. Expect average highs of 14.4°C. 31% chance of rain."

What to Wear in Reykjavik in August

Based on historical data for August 11, Reykjavik typically experiences temperatures between 8.9°C and 14.4°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Reykjavik

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

14.4°C

Daytime Peak

Average Low

extreme-cold

8.9°C

Nighttime Low

Feels Like

partly-cloudy-day

14.2°C

🌤️ Feels accurate

Rain Chance

rain

31%

Avg 2.4mm if it rains

Cloud Cover

cloudy

76%

Overcast

Pressure

pressure

1008.2 hPa

Medium volatility

Reykjavik Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

68%Reliable

Based on 10 years of data

Temperature
±2.2°CStable
Precipitation
16-90%Unpredictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

1.8Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 44 min to burn

Type III-IV

🟡 66 min to burn

Type V-VI

🟢 110 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

64Moderate
TemperatureCool
HumidityMuggy
WindBreezy

Dew Point

11.4°C

Pleasant

Heat Stress

Low

No heat warning

😐 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
12.9°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
0.83m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Iceland

Flight Traffic

High

95/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~105

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Reykjavik

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:07

☀️ Noon

13:34

🌇 Sunset

22:01

⏱️ Daylight

16h 54m

Golden Hour
Morning05:07 - 06:20
20:48 - 22:01Evening

Wind Speed

wind

17.8 km/h

Gentle breeze

Sunshine

clear-day

9.4 hrs

Direct Sun (Cloud-free)

Humidity

humidity

82%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Reykjavik

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Reykjavik

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

75/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

55Score
Atmospheric Pressure1008.2 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskHigh

Low pressure & humidity may aggravate joints.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
33AQI
Good
PM2.5 Concentration2 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):190
In Aug (30y):12
Last in Aug:2023-08-13
💡 Earthquake risk elevated. Download a seismic alert app.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Reykjavik on August 11 averages 14.4°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 87/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Reykjavik Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2023
19.7°C
Coldest
2025
4.3°C
Rainiest
2020
17.4mm

Compare Other Cities

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📍 Is Reykjavik Worth Visiting on August 11?

Planning a trip to Reykjavik on August 11? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year offers a bracing seasonal atmosphere averaging 14.4°C with a 31% historical precipitation risk.

✈️ Travel Logistics: Approximately 105 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Iceland, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 12.9°C (polar plunge). Wave conditions are generally fun waves with heights around 0.83m.

📊 Historical Extremes: The hottest August 11 recorded in the last 30 years saw temperatures hit 19.7°C in 2023, while the coldest dropped to 4.3°C in 2025.

Reykjavik Weather FAQ