Nagasaki weather by month
The best time to visit Nagasaki, Japan is October. Pick a month for full climate normals and a verdict.
- Januarycool, a little rain, clean air69tier C
- Februarycool, rainy, clean air71tier B
- Marchcool, rainy75tier B
- Aprilnice, rainy84tier A
- Maynice, soaked, very humid78tier B
- Junewarm, soaked, very humid63tier C
- Julywarm, soaked, clean air51tier D
- Augusthot, soaked, clean air53tier D
- Septemberwarm, soaked, clean air65tier C
- Octobernice, a little rain, clean air89tier A
- Novembernice, rainy, clean air83tier A
- Decembercool, a little rain, clean air72tier B