Portsmouth weather in July 2024

Expect 31°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Portsmouth in July. Check more long-term weather averages for Portsmouth in July before you book your next holiday to Dominica in 2024/2025.

  • 31°C maximum daytime temperature in July in Portsmouth31
    31°C max day temperature
  • 8 hours of sunshine per day
  • 20 days with some rainfall in July in Portsmouth20
    20 days with some rainfall
  • 24°C minimum night-time temperature in July in Portsmouth24
    24°C min night temperature
  • 13 hours of daylight per day in July in Portsmouth13
    13 hours of daylight per day
  • High heat & humidity in July in PortsmouthH
    High heat & humidity
  • 156 mm monthly rainfall in July in Portsmouth156
    156 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in July in Portsmouth11
    11+ (Extreme) UV index
  • 28°C sea temperature in July in Portsmouth28
    28°C sea temperature

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