Castricum Weather in May

May in Castricum sees daytime temperatures around 16°C (61°F) and lows of 10°C (50°F) at night. With around 62 mm (2.4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Castricum in May

Looking at the last 30 years, the data shows about 14 days with rain, averaging 62 mm (2.4 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Castricum in May

May in Castricum brings moderate temperatures, with highs of 16°C (61°F) and nights around 10°C (50°F). Conditions are often most pleasant around the middle of the day. At 10°C (50°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Average water temperature in May

At 12°C (54°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

For Castricum itself, July generally stands out with 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.