Castleton Weather in May

With daytime temperatures of 14°C (57°F) and nighttime lows of 8°C (46°F), May in Castleton brings moderate temperatures during the day. Some rainfall is to be expected during the month.

Rainfall in Castleton in May

Rain is expected on roughly 16 days, totalling around 57 mm (2.2 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Castleton in May

In May, expect moderate temperatures in Castleton, with highs of 14°C (57°F) and lows of 8°C (46°F) at night. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Castleton in May

The days are predominantly sunny, with an estimated total of around 212 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Average water temperature in May

With water temperatures around 10°C (50°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.