Reykjavík weather
Our guide to the weather in Reykjavík during August
We've looked at the most up-to-date weather data for Reykjavík, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Reykjavík weather in August.
What's the temperature like in Reykjavík during August?
The temperature is extremely stable in August with average highs of 13℃ and lows just 4℃ lower at 9℃. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Reykjavík during August?
On average, there will be 8 rainy days during the month, amounting to 99.3mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Reykjavík during August?
You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during August. With moderate air temperatures, any breeze will feel cool.
Is it too cold to swim in the sea in Reykjavík during August?
The water around Reykjavík is a bracing 12℃ during August and is too cold for for swimming. Those who frequently swim in cold open water might want to take a very quick dip, but prolonged exposure could cause hypothermia. A winter wetsuit will allow longer exposure to the water.
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