Climate almanac
Portland
Connecticut, United States · 41.57°, -72.64°
What is the weather like in Portland in May?
In May, Portland is typically 69°F (21°C) during the day and 52°F (11°C) at night. The month brings about 4.3 in (108 mm) of precipitation in total.
- Average high69°F (21°C)
- Average low52°F (11°C)
- Precipitation4.3 in (108 mm)
- Clear or mostly clear days8
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)