January 11° · ☂ 5 February 13° · ☂ 8 March 17° · ☂ 11 April 22° · ☂ 10 May 26° · ☂ 10 June 28° · ☂ 15 July 32° · ☂ 13 August 34° · ☂ 12 September 31° · ☂ 9 ★ October26° · ☂ 6 November 19° · ☂ 7 December 13° · ☂ 7 Kumamoto in July:seriously hot, frequent rain Kumamoto, Japan · Records from 2006 to 2025. Not a forecast.
Mean high 32° Hottest day 38.2° (2025)
Mean low 25° Coldest night 18.3° (2020)
Rain days 13 days 6-19 by year
Rainfall 392mm Daylight 14.3 → 13.8 h
Kumamoto's 12 months i Best: October
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Sightseeing on foot Poorhot, frequent rain, muggy and storm risk
Humidity 82% 31 muggy days
Clear days 4 days 16 overcast days
Mean wind 8 km/h Rarely windy
Sunrise / sunset (15th) 05:19 / 19:27 Daylight 14.3 → 13.8 h
Kumamoto in July The second-wettest month after June. The rainy season usually ends in mid-July, and heavy downpours around that time in some years can disrupt travel. Once it lifts, hot summer begins at once.
Kumamoto in July ran hot: 32°C by day and 25°C at night. By midday the shade was the best seat in town. With 13 rain days on average, a wet day was rarely more than a few days away. It varied a lot from year to year. July 2008 had 6 rain days; 2020 had 19.
24 days past 30°C made it a month for early starts and a long lunch indoors. The warmest year was 2025, with highs averaging 34.8°C, 2.7°C above normal. Wet days did not mess around: about 30 mm each, the kind of rain that drives you into a doorway.
Typhoons i 6 of the last 20 years had a tropical storm pass within 300 km this month.
Nanmadol (2017), 29 km away tropical storm Neoguri (2014), 78 km away tropical storm Man-Yi (2007), 131 km away typhoon strength 1 2 3 4 1 5 6 6 7 12 8 13 9 4 10 11 12
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
July 1 Thursday 1 rain in 12 of 20 yrs 12/20 30° 23° July 2 Friday 2 rain in 12 of 20 yrs 12/20 30° 23° July 3 Saturday 3 rain in 16 of 20 yrs 16/20 30° 24° 1-3 rain on 67% of days 30° 24°
July 4 Sunday 4 rain in 13 of 20 yrs 13/20 30° 24° July 5 Monday 5 rain in 12 of 20 yrs 12/20 30° 24° July 6 Tuesday 6 rain in 11 of 20 yrs 11/20 30° 24° July 7 Wednesday 7 rain in 12 of 20 yrs 12/20 31° 24° July 8 Thursday 8 rain in 11 of 20 yrs 11/20 31° 24° July 9 Friday 9 rain in 9 of 20 yrs 9/20 32° 25° July 10 Saturday 10 rain in 10 of 20 yrs 10/20 32° 25° 4-10 rain on 56% of days 31° 24°
July 11 Sunday 11 rain in 11 of 20 yrs 11/20 31° 25° July 12 Monday 12 rain in 13 of 20 yrs 13/20 32° 25° July 13 Tuesday 13 rain in 12 of 20 yrs 12/20 32° 25° July 14 Wednesday 14 rain in 12 of 20 yrs 12/20 31° 24° July 15 Thursday 15 rain in 8 of 20 yrs 8/20 32° 24° July 16 Friday 16 rain in 5 of 20 yrs 5/20 32° 24° July 17 Saturday 17 rain in 6 of 20 yrs 6/20 32° 24° 11-17 rain on 48% of days 32° 24°
July 18 Sunday 18 rain in 7 of 20 yrs 7/20 32° 25° July 19 Monday 19 rain in 8 of 20 yrs 8/20 33° 25° July 20 Tuesday 20 rain in 9 of 20 yrs 9/20 32° 25° July 21 Wednesday 21 rain in 8 of 20 yrs 8/20 32° 25° July 22 Thursday 22 rain in 5 of 20 yrs 5/20 33° 25° July 23 Friday 23 rain in 4 of 20 yrs 4/20 33° 25° July 24 Saturday 24 rain in 6 of 20 yrs 6/20 33° 25° 18-24 rain on 34% of days 33° 25°
July 25 Sunday 25 rain in 5 of 20 yrs 5/20 34° 25° July 26 Monday 26 rain in 5 of 20 yrs 5/20 34° 25° July 27 Tuesday 27 rain in 5 of 20 yrs 5/20 34° 25° July 28 Wednesday 28 rain in 2 of 20 yrs 2/20 34° 25° July 29 Thursday 29 rain in 4 of 20 yrs 4/20 34° 25° July 30 Friday 30 rain in 4 of 20 yrs 4/20 34° 25° July 31 Saturday 31 rain in 4 of 20 yrs 4/20 34° 25° 25-31 rain on 21% of days 34° 25°
1-3 rain on 67% of days 30° 24° 4-10 rain on 56% of days 31° 24° 11-17 rain on 48% of days 32° 24° 18-24 rain on 34% of days 33° 25° 25-31 rain on 21% of days 34° 25°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
July 1 Saturday 1 rain in 12 of 20 yrs 12/20 30° 23° July 1 rain on 60% of days 30° 23°
July 2 Sunday 2 rain in 12 of 20 yrs 12/20 30° 23° July 3 Monday 3 rain in 16 of 20 yrs 16/20 30° 24° July 4 Tuesday 4 rain in 13 of 20 yrs 13/20 30° 24° July 5 Wednesday 5 rain in 12 of 20 yrs 12/20 30° 24° July 6 Thursday 6 rain in 11 of 20 yrs 11/20 30° 24° July 7 Friday 7 rain in 12 of 20 yrs 12/20 31° 24° July 8 Saturday 8 rain in 11 of 20 yrs 11/20 31° 24° 2-8 rain on 62% of days 30° 24°
July 9 Sunday 9 rain in 9 of 20 yrs 9/20 32° 25° July 10 Monday 10 rain in 10 of 20 yrs 10/20 32° 25° July 11 Tuesday 11 rain in 11 of 20 yrs 11/20 31° 25° July 12 Wednesday 12 rain in 13 of 20 yrs 13/20 32° 25° July 13 Thursday 13 rain in 12 of 20 yrs 12/20 32° 25° July 14 Friday 14 rain in 12 of 20 yrs 12/20 31° 24° July 15 Saturday 15 rain in 8 of 20 yrs 8/20 32° 24° 9-15 rain on 54% of days 32° 24°
July 16 Sunday 16 rain in 5 of 20 yrs 5/20 32° 24° July 17 Monday 17 rain in 6 of 20 yrs 6/20 32° 24° July 18 Tuesday 18 rain in 7 of 20 yrs 7/20 32° 25° July 19 Wednesday 19 rain in 8 of 20 yrs 8/20 33° 25° July 20 Thursday 20 rain in 9 of 20 yrs 9/20 32° 25° July 21 Friday 21 rain in 8 of 20 yrs 8/20 32° 25° July 22 Saturday 22 rain in 5 of 20 yrs 5/20 33° 25° 16-22 rain on 34% of days 33° 25°
July 23 Sunday 23 rain in 4 of 20 yrs 4/20 33° 25° July 24 Monday 24 rain in 6 of 20 yrs 6/20 33° 25° July 25 Tuesday 25 rain in 5 of 20 yrs 5/20 34° 25° July 26 Wednesday 26 rain in 5 of 20 yrs 5/20 34° 25° July 27 Thursday 27 rain in 5 of 20 yrs 5/20 34° 25° July 28 Friday 28 rain in 2 of 20 yrs 2/20 34° 25° July 29 Saturday 29 rain in 4 of 20 yrs 4/20 34° 25° 23-29 rain on 22% of days 34° 25°
July 30 Sunday 30 rain in 4 of 20 yrs 4/20 34° 25° July 31 Monday 31 rain in 4 of 20 yrs 4/20 34° 25°
30-31 rain on 20% of days 34° 25°
July 1 rain on 60% of days 30° 23° 2-8 rain on 62% of days 30° 24° 9-15 rain on 54% of days 32° 24° 16-22 rain on 34% of days 33° 25° 23-29 rain on 22% of days 34° 25° 30-31 rain on 20% of days 34° 25°
Tap another date to change
2006 101mm
2007 111mm
2008 17mm
2009 1mm
2010 67mm
2011 2mm
2012 62mm
2013 54mm
2014 65mm
2015 none
2016 7mm
2017 none
2018 58mm
2019 252mm
2020 93mm
2021 6mm
2022 5mm
2023 101mm
2024 none
2025 none
Holidays in July (2027) July 19 Marine DayJuly 3 to July 5 Independence Day weekend 1 Local public holiday or break (busier, pricier)1 US holidays (flights fill up)
Day by day temperature i 22° 28° 34° 40° 1 8 15 22 29 31
Your trip dates, the past 20 years Trip dates July 1 (Thu) 2 (Fri) 3 (Sat) 4 (Sun) 5 (Mon) 6 (Tue) 7 (Wed) 8 (Thu) 9 (Fri) 10 (Sat) 11 (Sun) 12 (Mon) 13 (Tue) 14 (Wed) 15 (Thu) 16 (Fri) 17 (Sat) 18 (Sun) 19 (Mon) 20 (Tue) 21 (Wed) 22 (Thu) 23 (Fri) 24 (Sat) 25 (Sun) 26 (Mon) 27 (Tue) 28 (Wed) 29 (Thu) 30 (Fri) 31 (Sat) ~ July 1 (Thu) 2 (Fri) 3 (Sat) 4 (Sun) 5 (Mon) 6 (Tue) 7 (Wed) 8 (Thu) 9 (Fri) 10 (Sat) 11 (Sun) 12 (Mon) 13 (Tue) 14 (Wed) 15 (Thu) 16 (Fri) 17 (Sat) 18 (Sun) 19 (Mon) 20 (Tue) 21 (Wed) 22 (Thu) 23 (Fri) 24 (Sat) 25 (Sun) 26 (Mon) 27 (Tue) 28 (Wed) 29 (Thu) 30 (Fri) 31 (Sat) 1-7 8-14 15-21 22-end Whole month
You can also click two dates on the axis. Hover a cell to see that day's rain. By year Driest trips first
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Trip rain days Month rain days Tap a date to start, tap another to end. Each cell is that date in one year. '06 '07 '08 '09 '10 '11 '12 '13 '14 '15 '16 '17 '18 '19 '20 '21 '22 '23 '24 '25
of 20 Dates outside your trip are dimmed.
One row per year, one cell per day. 2008 had 6 rain days, 2020 had 19.
Kumamoto through the year What to pack Loose linen or quick-dry cotton, a wide-brimmed hat and sunscreen were the basics. A water bottle stayed in the bag, and midday plans moved indoors.
Rainy days were mixed in often enough that shoes you cannot get wet are a bad bet.
Common questions Does it rain a lot in Kumamoto in July? Over the past 20 years July averaged 13 rain days (1 mm or more) out of 31. Individual years ran from 6 in the driest to 19 in the wettest.
What should I wear in Kumamoto in July? Days averaged 32°C and nights 25°C. Pack an umbrella, sandals that can get wet, T-shirts, sunscreen plus a hat, and insect repellent.
Is July a good time to visit Kumamoto? On warmth and rain days alone, Kumamoto's easiest month was October. July ranked 11 of 12.
Is Kumamoto humid in July? Mean relative humidity was 82%, with about 31 muggy days (dew point of 20°C or more) in the month.
Previous month Kumamoto in June Next month Kumamoto in August Whole year Kumamoto weather by month Where to go July By country Japan: all cities this month