Ōshū in May
6.6out of 10
Possible, with caveats
Mild: highs around 18°C. Frequent rain: about 13 rainy days.
18°CAvg high
10°CAvg low
13Rainy days (109 mm)
14:09 hDaylight
04:27Sunrise · 18:36 Sunset
Why this score
- Mild: highs around 18°C
- Frequent rain: about 13 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 (±3.5 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 | 1°C | -6°C | 58 mm | 11 | – | – | 3.7 |
| February | 2°C | -6°C | 54 mm | 10 | – | – | 4.0 |
| March | 6°C | -2°C | 91 mm | 13 | – | – | 4.4 |
| April | 13°C | 4°C | 99 mm | 13 | – | – | 5.8 |
| May | 18°C | 10°C | 109 mm | 13 | – | – | 6.6 |
| June | 22°C | 14°C | 124 mm | 13 | – | – | 7.0 |
| July | 25°C | 18°C | 165 mm | 17 | – | – | 6.4 |
| August | 26°C | 19°C | 153 mm | 15 | – | – | 6.7 |
| September | 23°C | 15°C | 153 mm | 14 | – | – | 6.9 |
| October | 17°C | 8°C | 118 mm | 11 | – | – | 6.5 |
| November | 10°C | 2°C | 73 mm | 11 | – | – | 5.6 |
| December | 4°C | -3°C | 69 mm | 13 | – | – | 4.1 |
Frequently asked questions
How hot is Ōshū in May?
Daytime highs average 18°C and nights about 10°C.
When is the best time to visit Ōshū?
The best months are June, September, August, May.