Portsmouth Weather in July

Portsmouth in July sees very high daytime temperatures of 32°C (90°F) and nighttime lows of 22°C (72°F). Rainfall is fairly high this month at around 140 mm (5.5 in), so pack a rain jacket to stay dry.

Rainfall in Portsmouth in July

Historically, approximately 11 days this month are expected to have rain, averaging 140 mm (5.5 in). 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 Portsmouth in July

If you're visiting Portsmouth in July, expect highs of 32°C (90°F) and overnight lows around 22°C (72°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With lows of 22°C (72°F), the nights are warm and generally comfortable.

Keep in mind that while these are the average temperatures, there can be days that are even hotter. It's essential to be prepared for such heat. Wearing light, breathable fabrics and protecting yourself from the sun's intensity with hats or shades can make a difference. Hydration is key, so remember to drink plenty of water. Especially if you find yourself outdoors for a longer period.

Sunshine in Portsmouth in July

The month enjoys around 279 hours of sunshine, creating mostly sunny days with good weather conditions.

If you prefer enjoying temperate temperatures and rain-free days, April 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.