Castro-Urdiales Weather in July

What's the weather like in Castro-Urdiales (Cantabria) in July 2025?

The climate in Castro-Urdiales during July can be summarized as warm and reasonably dry.

July is in the summer in Castro-Urdiales and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 24°C (74°F), whilst at night 14°C (58°F) is normal.

Castro-Urdiales weather averages (imperial / metric)
Daytime temperature 23.5°C 74.2°F
Nightly temperature 14.4°C 57.8°F
Average temperature 18.9°C 66°F
Daily sunshine 7 hrs
Avg rainfall 52 mm 2.1 ins
Rainy days 11 days
Sea temperature 20.4°C 68.8°F
Humidity 75%
Windspeed 11.2kph 7 mph

On average July is the driest month of the year in Castro-Urdiales with around 52mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

July temperatures in Castro-Urdiales

Castro-Urdiales average temperature in July

July rainfall

Castro-Urdiales average rain in July

July hourly sunshine

Castro-Urdiales average rain in July

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Castro-Urdiales in July 2025.

Other monthly averages

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Castro-Urdiales weather stats

Castro-Urdiales weather statistics
Hottest month: August 23.3°C 73.9°F
Driest month: July 52mm 2ins
Sunniest month: July 7hrs
Coldest month: January 11.5°C 52.7°F
Wettest month: November 153mm 6ins
Map showing location of Castro-Urdiales (43.38286, -3.22043) Castro-Urdiales map pin © Google

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