Iselin Weather in July

July in Iselin brings very high temperatures, with highs of 31°C (88°F) and nights dropping to 20°C (68°F). Rainfall is on the higher side this month, averaging around 111 mm (4.4 in), so keep a rain jacket handy.

Rainfall in Iselin in July

Typically, about 12 days will experience rainfall, with an average of 111 mm (4.4 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Iselin in July

July in Iselin brings typical temperatures with highs around 31°C (88°F) and lows of 20°C (68°F). It's usually most comfortable outside during the morning and later in the day. With overnight lows of 20°C (68°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. Although these are average temperatures, some days can be hotter. Wear cool, breathable clothing and protect yourself from the sun.

Sunshine in Iselin in July

There are approximately 271 hours of sunshine this month, resulting in mostly clear days.

If you prefer dry days with pleasant temperatures, September typically offers 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.