Hamamatsu Weather in October
October in Hamamatsu sees daytime temperatures around 24°C (75°F) and lows of 16°C (61°F) at night. With around 224 mm (8.8 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Hamamatsu in October
Climate statistics over the past 30 years suggest around 15 days of rain, with 224 mm (8.8 in) average for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Hamamatsu in October
Hamamatsu in October gets highs of 24°C (75°F) during the day and drops to 16°C (61°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Hamamatsu in October
The month experiences a moderate amount of sunlight, with 165 hours of sunshine. This provides a nice balance between sunshine and clouds.If you prefer enjoying temperate temperatures and rain-free days, April typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 October
Min Temperature
16°C (61°F)
Max Temperature
24°C (75°F)
Chance of Rain
50%
Precipitation
224 mm (8.8 in)
Rainy days
15 days
Humidity
72%
Sunshine
165 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hamamatsu typically drop from around 25°C (77°F) at the start of October to approximately 21°C (70°F) by the end. Nights are pleasant, with lows typically ranging from 12°C (54°F) to 19°C (66°F).
Average temperatures in October
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 October
Historical weather for Hamamatsu in October
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 October
Our historical data for Hamamatsu spans 1976 to 2025, revealing these weather extremes.
- The warmest day in October was on October 13, 2025, with a maximum of 31°C (88°F).
- Hamamatsu experienced its chilliest October day on October 31, 1980, reaching only 14°C (57°F).
- The coldest night in October in Hamamatsu was on October 20, 1986, with a minimum of 5°C (41°F).
Best Places in Japan in October
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Hamamatsu in October
Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Hamamatsu in October
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.
