June to August: This is the warmest time of year in Portland, with average temperatures ranging from 70 to 85 degrees Fahrenheit (21 to 29 Centigrade). It's also the driest time of year, with an average of only 1.2 inches of rain per month. This is a good time to visit if you want to enjoy the city's outdoor activities. However, it's also the busiest time of year, so expect crowds and higher prices.
September to October: The weather is still warm and sunny during this time, with average temperatures ranging from 65 to 75 degrees Fahrenheit (18 to 24 Centigrade). There is also a slight decrease in rainfall, with an average of 2.7 inches of rain per month. This is a good time to visit if you're looking for a less crowded and more affordable option than the summer months.
November to March: The weather is cooler and rainier during this time, with average temperatures ranging from 45 to 60 degrees Fahrenheit (7 to 15 Centigrade) and an average of 4.5 inches of rain per month. However, there are also fewer crowds and lower prices during these months. This is a good time to visit if you're interested in experiencing the city's winter festivals, such as the Portland Winter Light Festival and the Snowshoeing at Mount Hood Meadows.
