Climate almanac
Johnston
Rhode Island, United States · 41.82°, -71.51°
What is the weather like in Johnston in May?
In May, Johnston is typically 68°F (20°C) during the day and 51°F (11°C) at night. The month brings about 4.0 in (100 mm) of precipitation in total.
- Average high68°F (20°C)
- Average low51°F (11°C)
- Precipitation4.0 in (100 mm)
- Clear or mostly clear days7
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)