Plainsboro Weather in July

Plainsboro in July averages 31°C (88°F) during the day and 18°C (64°F) at night. This is the wettest month of the year.

Rainfall in Plainsboro in July

Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. Expect around 12 days of rain based on historical data, with 139 mm (5.5 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Plainsboro in July

If you're visiting Plainsboro in July, expect highs of 31°C (88°F) and overnight lows around 18°C (64°F). Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. Typical temperatures can be misleading; some days will be hotter. Prepare with light clothing and plenty of hydration to stay cool.

Sunshine in Plainsboro in July

With approximately 269 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Should you favor a climate that's both dry and comfortably warm, September typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.