Tonami in May
6.4out of 10
Possible, with caveats
Mild: highs around 21°C. Very wet: about 15 rainy days.
21°CAvg high
11°CAvg low
15Rainy days (185 mm)
13:57 hDaylight
04:50Sunrise · 18:47 Sunset
Why this score
- Mild: highs around 21°C
- Very wet: about 15 rainy days
What to wear and pack
- Layers you can add or remove
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.2 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 | 3°C | -4°C | 231 mm | 24 | – | – | 2.6 |
| February | 4°C | -4°C | 183 mm | 20 | – | – | 2.8 |
| March | 8°C | 0°C | 204 mm | 20 | – | – | 3.7 |
| April | 15°C | 5°C | 176 mm | 16 | – | – | 5.4 |
| May | 21°C | 11°C | 185 mm | 15 | – | – | 6.4 |
| June | 24°C | 16°C | 252 mm | 19 | – | – | 6.1 |
| July | 28°C | 20°C | 328 mm | 22 | – | – | 6.1 |
| August | 29°C | 21°C | 249 mm | 21 | – | – | 6.1 |
| September | 24°C | 16°C | 292 mm | 19 | – | – | 6.1 |
| October | 19°C | 10°C | 221 mm | 17 | – | – | 5.7 |
| November | 13°C | 4°C | 197 mm | 19 | – | – | 4.6 |
| December | 6°C | -2°C | 238 mm | 23 | – | – | 3.2 |
Frequently asked questions
How hot is Tonami in May?
Daytime highs average 21°C and nights about 11°C.
When is the best time to visit Tonami?
The best months are May, June, July, August.