Nanyō in May
6.4out of 10
Possible, with caveats
Mild: highs around 18°C. Very wet: about 15 rainy days.
18°CAvg high
10°CAvg low
15Rainy days (115 mm)
14:03 hDaylight
04:34Sunrise · 18:38 Sunset
Why this score
- Mild: highs around 18°C
- Very wet: about 15 rainy days
What to wear and pack
- Layers you can add or remove
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.9 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -5°C | 190 mm | 25 | – | – | 2.2 |
| February | 1°C | -4°C | 138 mm | 20 | – | – | 2.3 |
| March | 5°C | -2°C | 144 mm | 19 | – | – | 3.2 |
| April | 11°C | 3°C | 117 mm | 15 | – | – | 5.2 |
| May | 18°C | 10°C | 115 mm | 15 | – | – | 6.4 |
| June | 22°C | 14°C | 159 mm | 16 | – | – | 6.5 |
| July | 25°C | 19°C | 237 mm | 20 | – | – | 6.1 |
| August | 26°C | 20°C | 183 mm | 17 | – | – | 6.3 |
| September | 22°C | 15°C | 156 mm | 16 | – | – | 6.6 |
| October | 16°C | 9°C | 138 mm | 15 | – | – | 6.0 |
| November | 10°C | 3°C | 132 mm | 17 | – | – | 4.5 |
| December | 3°C | -3°C | 182 mm | 23 | – | – | 2.7 |
Frequently asked questions
How hot is Nanyō in May?
Daytime highs average 18°C and nights about 10°C.
When is the best time to visit Nanyō?
The best months are September, June, May, August.