Climate almanac
Iiyama
Nagano, JP · 36.85°, 138.37°
What is the climate like in Iiyama?
The best time to visit Iiyama is typically August, the year's most comfortable month (6.0/10). Iiyama is warmest in August, when daily highs average 83°F (29°C), and coolest in January, when lows fall to about 23°F (-5°C). The wettest month is typically July and the driest is November; the year sees roughly 80 in of precipitation.
- Best time to visitAugust — the year's comfort peak (6.0/10)
- Warmest monthAugust — average high 83°F (29°C)
- Coolest monthJanuary — average low 23°F (-5°C)
- Wettest monthJuly (11 in)
- Driest monthNovember (4.8 in)
- Annual precipitation80 in