Penzance weather in July 2025

Q: How hot is it in Penzance in July?

Daytime temperatures usually reach 19°C in Penzance in July, falling to 13°C at night.

Q: How sunny is it in Penzance in July?

There are normally 7 hours of bright sunshine each day in Penzance in July - that's 44% of daylight hours.

Q: How warm is the sea around Penzance in July?

The average sea temperature around Penzance in July is 15°C.

Q: Does it rain in Penzance in July?

There are usually 12 days with some rain in Penzance in July and the average monthly rainfall is 62mm.

Expect daytime maximum temperatures of 19°C in Penzance in July based on long-term weather averages. There are 7 hours of sunshine per day on average with 12 days with some rainfall and typically 62 mm of rainfall in the month.

19
19°C max day temperature
7
7 hours of sunshine per day
12
12 days with some rainfall
13
13°C min night temperature
16
16 hours of daylight per day
0
No heat & humidity
62
62 mm of monthly rainfall
7
7 (High) UV index
15
15°C sea temperature

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The July weather guide for England (Penzance) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm) | Imperial (°F / inches)