Plainsboro Weather in May

In Plainsboro, May brings high daytime temperatures around 23°C (73°F), with nights cooling to 10°C (50°F). Expect quite a bit of rainfall this month.

Rainfall in Plainsboro in May

Historically, May sees about 13 days of rain, with a monthly average of 104 mm (4.1 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Plainsboro in May

Temperatures in Plainsboro in May top out at 23°C (73°F) and drop to 10°C (50°F) overnight. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 10°C (50°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Plainsboro in May

The city usually sees around 248 hours of sunlight, indicating many sunny days , a great month for sightseeing.

For Plainsboro itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.