Averages for Albufeira in June. Weather lowdown. June is a great time to visit Albufeira, Portugal, if you’re in search of clear blue skies and plenty of sunshine. During this month, the average temperature is 20°C, the result of highs of up to 25°C and lows of 15°C.he summer event programme of Albufeira begins in June, when you’ll find a great selection of music concerts, parties and street entertainment on offer. Around the middle of the month, the Balloon Meeting is held, with more than 20 hot air balloons taking to the sky and flying across the resort.