Nagasaki Weather in April

April in Nagasaki sees daytime temperatures around 18°C (64°F) and lows of 13°C (55°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.

Rainfall in Nagasaki in April

Nagasaki is in the rainy season in April, with rain on around 17 days and an average of 175 mm (6.9 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.

Temperature in Nagasaki in April

April in Nagasaki sees highs of 18°C (64°F) and lows of 13°C (55°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 13°C (55°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.

Sunshine in Nagasaki in April

The area enjoys a balanced 180 hours of sunlight, ensuring it's neither too rainy nor too sunny.

Wind Speed in Nagasaki in April

Wind speeds average 2 m/s (4 knots) during April. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.

Average water temperature in April

The water temperature is 17°C (63°F), chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

If you prefer enjoying temperate temperatures and rain-free days, October typically offers 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.