Hamamatsu Weather in July
During July, Hamamatsu experiences very high daytime temperatures of 31°C (88°F) and cooler nights around 24°C (75°F). July sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Hamamatsu in July
Hamamatsu is in the rainy season in July, with rain on around 18 days and an average of 266 mm (10 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Hamamatsu in July
Expect highs of 31°C (88°F) in Hamamatsu in July, with nights dropping to around 24°C (75°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Hamamatsu in July
The month brings about 178 hours of sunlight, offering a comfortable mix of sun and rainy moments.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April typically offers the best weather for Hamamatsu.
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 Hamamatsu's climate page.
Hamamatsu Temperature in July
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hamamatsu typically rise from around 28°C (82°F) at the start of July to approximately 31°C (88°F) by the end. Nights are warm, with lows typically ranging from 21°C (70°F) to 25°C (77°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 Hamamatsu in July
Browse day-by-day weather records for Hamamatsu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hamamatsu historical weather extremes in July
According to our 49 years of weather records for Hamamatsu, the following extremes were recorded between 1976 and 2025.
- Hamamatsu recorded its highest July temperature of 38°C (100°F) on July 28, 2024.
- The lowest daytime temperature in July was 20°C (68°F), recorded on July 2, 1989.
- Nighttime temperatures dropped to 15°C (59°F) on July 3, 1976, marking the coldest July night on record.
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 →
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What to Wear in Hamamatsu in July
Warm temperatures in July make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Hamamatsu 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 Hamamatsu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Hamamatsu climate overview or explore weather in Japan.