Sasebo

City · Nagasaki Prefecture, 🇯🇵 Japan

Population 242,664

Area 420 km²

Time zone Asia/Tokyo

Official website www.city.sasebo.lg.jp

Sasebo – Planning a Trip?

Build your day-by-day itinerary in the Tripomatic app.

Start Planning

Sasebo — Map

Climate & when to visit

Best time to visit: May, October

Select a month

Typical weather in January

Poor

9° (feels like 5°) · extremes 1°–15°
5° at night
10 rainy days
3 sunny days
3 hours of sunshine per day
Dry air
Light breeze
16°C · too cold to swim
UV index 2 · low

Typical weather in February

Poor

11° (feels like 6°) · extremes 1°–17°
5° at night
10 rainy days
6 sunny days
4 hours of sunshine per day
Dry air
Light breeze
15°C · too cold to swim
UV index 3 · moderate

Typical weather in March

Fair

14° (feels like 11°) · extremes 4°–19°
8° at night
11 rainy days
9 sunny days
5 hours of sunshine per day
Dry air
Light breeze
15°C · too cold to swim
UV index 5 · moderate

Typical weather in April

Good

18° (feels like 16°) · extremes 7°–23°
12° at night
11 rainy days
11 sunny days
6 hours of sunshine per day
Dry air
Light breeze
16°C · too cold to swim
UV index 6 · high

Typical weather in May

Great

23° (feels like 22°) · extremes 12°–26°
16° at night
10 rainy days
10 sunny days
6 hours of sunshine per day
Comfortable humidity
Calm winds
19°C · cool for a dip
UV index 7 · high

Typical weather in June

Good

26° (feels like 27°) · extremes 17°–29°
20° at night
16 rainy days
5 sunny days
5 hours of sunshine per day
Muggy, humid air
Calm winds
22°C · cool for a dip
UV index 6 · high

Typical weather in July

Poor

29° (feels like 32°) · extremes 21°–32°
24° at night
18 rainy days
10 sunny days
7 hours of sunshine per day
Oppressive humidity
Calm winds
25°C · warm for swimming
UV index 8 · very high

Typical weather in August

Poor

30° (feels like 34°) · extremes 23°–34°
25° at night
16 rainy days
14 sunny days
8 hours of sunshine per day
Oppressive humidity
Calm winds
27°C · warm for swimming
UV index 8 · very high

Typical weather in September

Good

27° (feels like 29°) · extremes 19°–31°
22° at night
13 rainy days
11 sunny days
6 hours of sunshine per day
Muggy, humid air
Calm winds
26°C · warm for swimming
UV index 7 · high

Typical weather in October

Great

23° (feels like 22°) · extremes 14°–27°
18° at night
7 rainy days
12 sunny days
6 hours of sunshine per day
Comfortable humidity
Light breeze
24°C · cool for a dip
UV index 5 · moderate

Typical weather in November

Good

17° (feels like 15°) · extremes 8°–22°
12° at night
8 rainy days
6 sunny days
4 hours of sunshine per day
Dry air
Light breeze
21°C · cool for a dip
UV index 3 · moderate

Typical weather in December

Fair

12° (feels like 8°) · extremes 3°–17°
7° at night
9 rainy days
3 sunny days
3 hours of sunshine per day
Dry air
Light breeze
18°C · too cold to swim
UV index 2 · low

Climate data: NASA POWER + Copernicus ERA5-Land and ERA5 · 1996–2025

Practical information

Currency: Japanese Yen JPY ¥ · Card payments · Commonly accepted
Emergency numbers: 118
Electricity: Type A / Type B
100 V · 60 Hz

Languages: Japanese
Tap water: Safe to drink
Driving side: Left
Calling code: +81

Learn more

Tours & Activities

Related destinations

Nagasaki Prefecture

Other Destinations

Shimabara

Sasebo

Sasebo — Map

Climate & when to visit

Typical weather in January

Typical weather in February

Typical weather in March

Typical weather in April

Typical weather in May

Typical weather in June

Typical weather in July

Typical weather in August

Typical weather in September

Typical weather in October

Typical weather in November

Typical weather in December

Practical information

Tours & Activities

Sasebo – Add to Your Trip

Related destinations

Other Destinations