Nagano Weather in July
Thinking of visiting Nagano in July? Expect high temperatures reaching 27°C (81°F) during the day, dropping to 18°C (64°F) at night, and be prepared for the wettest month of the year.
Rainfall in Nagano in July
Nagano is in the rainy season in July, with rain on around 21 days and an average of 273 mm (11 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Nagano in July
Expect highs of 27°C (81°F) in Nagano in July, with nights dropping to around 18°C (64°F). July is a notable month of the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Nagano in July
The area enjoys a balanced 170 hours of sunlight, ensuring it's neither too rainy nor too sunny.July in Nagano has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Nagano's climate page.
Nagano Temperature in July
Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Chance of Rain
70%
Precipitation
273 mm (11 in)
Rainy days
21 days
Humidity
74%
Sunshine
170 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Nagano typically rise from around 27°C (81°F) at the start of July to approximately 31°C (88°F) by the end. Nights are warm, with lows typically ranging from 19°C (66°F) to 22°C (72°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Nagano in July
Browse day-by-day weather records for Nagano spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Nagano historical weather extremes in July
Based on weather observations in Nagano between 1976 and 2025, these are the recorded extremes during July.
- Nagano recorded its highest July temperature of 37°C (99°F) on July 26, 2014.
- The lowest daytime temperature in July was 20°C (68°F), recorded on July 18, 2006.
- Nighttime temperatures dropped to 12°C (54°F) on July 5, 1982, marking the coldest July night on record.
- The wettest day in July Nagano was on July 4, 2005 with 99 mm (3.9 in) of precipitation.
Best Places in Japan in July
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Nagano in July
Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Nagano in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Nagano's climate page.
Temperature Rainfall Sunshine Humidity
See the full Nagano climate overview or explore weather in Japan.
