Average Weather during August in Grindavík (Reykjanes), Iceland

The average minimum temperature (usually the minimum temperature is noted during the night) in Grindavík in August is 8.2°C (46.76°F). The amount of rain in August is normal with an average of 62mm (2.4in). Be prepared August is also the hottest month. The average maximum temperature lies around 13.7°C (56.66°F). With a water temperature of around 11.0°C (51.8°F), this is not the best month to swim. You will see the sun occasionally during this month, it has 154 hours of sun.

So what to wear in August? Bring a rain jacket just in case since it will be raining a few days during this period. Plan on bringing some warm cloths, but also take a few t-shirts just in case it gets warmer. Since climate change is one of the main problems the world faces these days we recommend to buy sustainable or second hand cloths. We made a deal with our partner praNa which means this month you get 70% off the original price of Women’s Dresses + Free shipping with code DRESS70.

No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.

For other monthly average weather and what to do in August look at the numbers below.

Monthly Averages

Show in Fahrenheit

Min Temperature 8 °C
Max Temperature 13 °C
Water Temperature 11 °C
Chance of Rain 40%
Precipitation 62mm
Rainy Days 12
Sunshine Hours 154

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in .

Swimming
5/10
Cycling
6/10
Walking
6/10
Camping
4/10
Outdoor sports
10/10

More Climate Information For Grindavík

Weather and Climate offers all the information you need to know about the climate in Grindavík.

We collected past weather data from many thousand weather stations around the world. So find on this website the historical weather averages in other cities in Iceland and climate and forecast data for all other countries in the world.