Nagano Weather in July

The climate in Nagano during July can be summarized as hot, humid and wet.

July is in the summer in Nagano and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 19°C (66°F) is normal.

On average July is the wettest month of the year in Nagano with around 169mm 6.6 inches of rain making it a wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.3 hours of sunshine per day.

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nagano in July 2024.