Best time to go to Porto
The summer months are the best time of year to visit Porto if you’re looking for warm weather – you’ll see highs of 24°C in July, August and September. It’s chilliest in January, when the mercury hovers around the 10°C mark. For the driest months, you want to be planning a trip between June and August, and the average rainfall generally starts to ramp up from the start of October.