Hamamatsu Weather in June
During June, Hamamatsu experiences high daytime temperatures of 27°C (81°F) and cooler nights around 20°C (68°F). As the wettest month of the year, expect frequent rainfall.
Rainfall in Hamamatsu in June
As part of the rainy season, Hamamatsu sees around 18 days of rain in June, with an average of 276 mm (11 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Hamamatsu in June
June in Hamamatsu sees highs of 27°C (81°F) and lows of 20°C (68°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. At 20°C (68°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Hamamatsu in June
The area enjoys a balanced 151 hours of sunlight, ensuring it's neither too rainy nor too sunny.June in Hamamatsu has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations 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 Hamamatsu's climate page.
Hamamatsu Temperature in June
Min Temperature
20°C (68°F)
Max Temperature
27°C (81°F)
Chance of Rain
60%
Precipitation
276 mm (11 in)
Rainy days
18 days
Humidity
77%
Sunshine
151 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hamamatsu typically stay consistent throughout June, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 21°C (70°F).
Average temperatures in June
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 June
Historical weather for Hamamatsu in June
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 June
Our historical data for Hamamatsu spans 1976 to 2026, revealing these weather extremes.
- The hottest June day on record in Hamamatsu reached 36°C (97°F) (June 29, 2011).
- Hamamatsu experienced its chilliest June day on June 1, 2011, reaching only 16°C (61°F).
- The lowest overnight temperature recorded in June was 12°C (54°F) (June 3, 1981).
Best Places in Japan in June
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in June →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hamamatsu in June
Warm but pleasant conditions in Hamamatsu in June. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Hamamatsu in June
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.
