Nagano weather by month
Nagano has warm summers, cold winters and plenty of rain. The most pleasant month is May.
Month by month
Average daytime high, night low, rain or snow, how the air feels and how strong the sun is, 1991–2020. Best months are highlighted.
| Month | High | Low | Rain | Air | Sun |
|---|---|---|---|---|---|
| January | 41°F 5°C | 25°F -4°C | 3.2 in 81 mm | Dry | Weak sun |
| February | 43°F 6°C | 26°F -4°C | 2.6 in 66 mm | Dry | Moderate sun |
| March | 51°F 11°C | 31°F -1°C | 3.0 in 77 mm | Dry | Moderate sun |
| April | 65°F 18°C | 42°F 6°C | 2.8 in 71 mm | Dry | Sunny |
| May | 74°F 24°C | 52°F 11°C | 3.1 in 79 mm | Comfortable | Sunny |
| June | 79°F 26°C | 61°F 16°C | 4.3 in 108 mm | A little humid | Sunny |
| July | 86°F 30°C | 69°F 20°C | 5.4 in 137 mm | Humid | Sunny |
| August | 89°F 31°C | 70°F 21°C | 3.5 in 90 mm | Humid | Sunny |
| September | 79°F 26°C | 63°F 17°C | 4.7 in 120 mm | A little humid | Moderate sun |
| October | 68°F 20°C | 51°F 10°C | 4.5 in 115 mm | Comfortable | Moderate sun |
| November | 57°F 14°C | 39°F 4°C | 2.6 in 66 mm | Dry | Moderate sun |
| December | 46°F 8°C | 30°F -1°C | 2.8 in 71 mm | Dry | Weak sun |
Cities with a climate like Nagano
Whole-year match out of 100, one city per country, seasons lined up across the equator.