Ōmachi in May
4.9out of 10
Not the best time
Cool: highs only around 15°C. Very wet: about 17 rainy days.
15°CAvg high
6°CAvg low
17Rainy days (236 mm)
13:57 hDaylight
04:46Sunrise · 18:43 Sunset
Why this score
- Cool: highs only around 15°C
- Very wet: about 17 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 (±3.6 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 | -5°C | -11°C | 194 mm | 22 | – | – | 2.1 |
| February | -4°C | -10°C | 173 mm | 18 | – | – | 2.2 |
| March | 1°C | -6°C | 208 mm | 18 | – | – | 2.2 |
| April | 7°C | 0°C | 200 mm | 17 | – | – | 3.8 |
| May | 15°C | 6°C | 236 mm | 17 | – | – | 4.9 |
| June | 18°C | 11°C | 351 mm | 21 | – | – | 5.5 |
| July | 22°C | 16°C | 445 mm | 25 | – | – | 6.1 |
| August | 23°C | 16°C | 298 mm | 22 | – | – | 6.1 |
| September | 19°C | 12°C | 295 mm | 20 | – | – | 5.7 |
| October | 13°C | 5°C | 225 mm | 16 | – | – | 4.9 |
| November | 6°C | -2°C | 181 mm | 17 | – | – | 3.5 |
| December | -2°C | -8°C | 196 mm | 21 | – | – | 2.1 |
Frequently asked questions
How hot is Ōmachi in May?
Daytime highs average 15°C and nights about 6°C.
When is the best time to visit Ōmachi?
The best months are July, August, September, June.