Iceland Weather March 2025. The weather in reykjavik in march is very cold with temperatures between 30°f and 37°f, warm clothes are a must. What is the weather like in iceland in march?

Be sure to pack warm clothes, including a jacket and a warm sweater. Get the monthly weather forecast for reykjavik, greater reykjavik, iceland, including daily high/low, historical averages, to help you plan ahead.