Castro Valley Weather in April

Castro Valley in April sees pleasant temperatures, with highs around 19°C (66°F) and overnight lows of 8°C (46°F). Around 51 mm (2 in) of rainfall is typical, so a light rain jacket is a sensible addition to your bag.

Rainfall in Castro Valley in April

Past climate data indicates that roughly 8 days will see rain, totalling around 51 mm (2 in) for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Castro Valley in April

If you're visiting Castro Valley in April, expect highs of 19°C (66°F) and overnight lows around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Castro Valley in April

There are approximately 310 hours of sunshine this month, resulting in mostly clear days.

If you prefer enjoying temperate temperatures and rain-free days, May, June, July, August, September and October typically offer 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.