Weather in Nagasaki for May 2026
In general, the average temperature in Nagasaki at the beginning of May is 19.3 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 21.4 °C by the end of May.
The climate of Nagasaki in May is notably wet, with an average of 15 rainy days, and a total of 302.4 mm of precipitation.
Is May a good time to visit Nagasaki? check out the best time to travel to Nagasaki page.
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Nagasaki Weather May
Temperatures trend during May in Nagasaki
May weather in Nagasaki day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy light drizzle | 19° /14° | 19.6 mm | 4 | |
| 2 May |  Overcast | 17° /12° | 0.2 mm | 5 | |
| 3 May |  Partly cloudy | 20° /13° | 0.2 mm | 5 | |
| 4 May | Partly cloudy | 21° /14° | 0 mm | 6 | |
| 5 May |  Patchy rain possible | 20° /14° | 0.6 mm | 5 | |
| 6 May |  Moderate or heavy rain shower | 19° /15° | 31.1 mm | 5 | |
| 7 May | Patchy rain possible | 19° /14° | 0.1 mm | 5 | |
| 8 May | Patchy rain possible | 19° /12° | 0.4 mm | 5 | |
| 9 May |  Sunny | 20° /13° | 28.6 mm | 6 | |
| 10 May | Sunny | 19° /14° | 0.4 mm | 5 | |
| 11 May | Overcast | 19° /14° | 0.2 mm | 5 | |
| 12 May | Light rain shower | 19° /15° | 41.3 mm | 5 | |
| 13 May | Overcast | 21° /13° | 0.2 mm | 6 | |
| 14 May | Sunny | 21° /13° | 0 mm | 6 | |
| 15 May | Overcast | 21° /15° | 0 mm | 5 | |
| 16 May | Sunny | 21° /16° | 11.5 mm | 5 | |
| 17 May |  Cloudy | 21° /16° | 7.7 mm | 5 | |
| 18 May | Overcast | 22° /16° | 0.8 mm | 5 | |
| 19 May | Partly cloudy | 21° /16° | 0 mm | 6 | |
| 20 May | Overcast | 23° /17° | 0.3 mm | 5 | |
| 21 May | Overcast | 22° /18° | 61.5 mm | 5 | |
| 22 May | Partly cloudy | 24° /17° | 2.5 mm | 6 | |
| 23 May | Light drizzle | 21° /17° | 0.6 mm | 5 | |
| 24 May | Overcast | 22° /17° | 33.3 mm | 5 | |
| 25 May | Sunny | 23° /16° | 0.1 mm | 6 | |
| 26 May |  Moderate rain | 22° /16° | 14.7 mm | 5 | |
| 27 May | Light rain shower | 21° /15° | 6.8 mm | 6 | |
| 28 May | Moderate rain | 21° /16° | 31.2 mm | 5 | |
| 29 May | Cloudy | 22° /15° | 2.1 mm | 5 | |
| 30 May | Overcast | 20° /15° | 3.2 mm | 5 | |
| 31 May | Light rain | 21° /15° | 3 mm | 6 | |
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Nagasaki weather in May vs April vs June
| April | May | June | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 18°/13° | 20°/15° | 23°/20° |
| Rainfall | 162 mm | 302 mm | 455 mm |
| Wind | 18.3 km/h | 18.7 km/h | 16.4 km/h |
| Humidity | 75% | 75% | 85% |
| Rainy days | 19 days | 15 days | 23 days |
| Dry days | 11 days | 16 days | 7 days |
Planning a trip to Nagasaki? Discover the best time to visit
Nagasaki in May - FAQ
What to pack to Nagasaki in May?
As you prepare for your trip to Nagasaki in May, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Nagasaki, during May, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Umbrellas/Raincoats: For rainy days
May rainfall patterns in Nagasaki
UV exposure in Nagasaki during May
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Where is Nagasaki?Get accurate weather forecasts for Nagasaki, located at latitude 32.75 and longitude 129.883. Stay updated with localized weather information tailored for Nagasaki.