January 10° · ☂ 5 February 11° · ☂ 7 March 15° · ☂ 9 April 21° · ☂ 10 ★ May25° · ☂ 10 June 28° · ☂ 11 July 32° · ☂ 13 August 33° · ☂ 10 September 29° · ☂ 11 ★ October24° · ☂ 9 November 18° · ☂ 6 December 12° · ☂ 6 Nagoya in August:very hot, rain on many days Nagoya, Japan · Records from 2006 to 2025. Not a forecast.
Mean high 33° Hottest day 39.7° (2025)
Mean low 25° Coldest night 18.6° (2009)
Rain days 10 days 3-20 by year
Rainfall 170mm Daylight 13.9 → 13.0 h
Nagoya's 12 months i Best: May and October
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Sightseeing on foot Poorhot, muggy and storm risk
Humidity 73% 29 muggy days
Clear days 6 days 10 overcast days
Mean wind 7 km/h Rarely windy
Sunrise / sunset (15th) 05:12 / 18:42 Daylight 13.9 → 13.0 h
Nagoya in August Hot and humid midsummer. Nagoya Castle holds a summer festival from early to mid August with bon dancing each evening. Rest indoors at midday. Tropical cyclone news starts to matter.
Days averaged 33°C and nights 25°C. Midday was for air conditioning, a cold drink or a long lunch out of the sun. About 10 days a month saw rain, enough that a wet-weather plan was worth having. The average is 10, but individual years ran from 3 (2020) to 20 (2014).
With 27 days above 30°C on average, most of the month felt like high summer. August 2025 averaged 36.1°C by day, 2.7°C above the 20-year mean. Each rainy day brought about 17 mm, closer to downpours than drizzle.
Typhoons i 8 of the last 20 years had a tropical storm pass within 300 km this month.
Noru (2017), 55 km away typhoon strength Maria (2006), 156 km away tropical storm Meari (2022), 158 km away tropical storm 1 2 3 4 5 2 6 7 7 8 8 12 9 6 10 11 12
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
August 1 Sunday 1 rain in 3 of 20 yrs 3/20 34° 25° August 2 Monday 2 rain in 5 of 20 yrs 5/20 34° 25° August 3 Tuesday 3 rain in 4 of 20 yrs 4/20 34° 25° August 4 Wednesday 4 rain in 2 of 20 yrs 2/20 34° 25° August 5 Thursday 5 rain in 7 of 20 yrs 7/20 34° 26° August 6 Friday 6 rain in 6 of 20 yrs 6/20 34° 26° August 7 Saturday 7 rain in 9 of 20 yrs 9/20 34° 25° 1-7 rain on 26% of days 34° 25°
August 8 Sunday 8 rain in 4 of 20 yrs 4/20 34° 25° August 9 Monday 9 rain in 6 of 20 yrs 6/20 34° 25° August 10 Tuesday 10 rain in 5 of 20 yrs 5/20 34° 26° August 11 Wednesday 11 rain in 5 of 20 yrs 5/20 34° 25° August 12 Thursday 12 rain in 8 of 20 yrs 8/20 33° 25° August 13 Friday 13 rain in 5 of 20 yrs 5/20 34° 25° August 14 Saturday 14 rain in 5 of 20 yrs 5/20 33° 26° 8-14 rain on 27% of days 34° 25°
August 15 Sunday 15 rain in 9 of 20 yrs 9/20 33° 25° August 16 Monday 16 rain in 7 of 20 yrs 7/20 34° 26° August 17 Tuesday 17 rain in 8 of 20 yrs 8/20 33° 25° August 18 Wednesday 18 rain in 5 of 20 yrs 5/20 34° 25° August 19 Thursday 19 rain in 6 of 20 yrs 6/20 33° 25° August 20 Friday 20 rain in 9 of 20 yrs 9/20 33° 24° August 21 Saturday 21 rain in 4 of 20 yrs 4/20 33° 25° 15-21 rain on 34% of days 33° 25°
August 22 Sunday 22 rain in 7 of 20 yrs 7/20 34° 25° August 23 Monday 23 rain in 10 of 20 yrs 10/20 32° 25° August 24 Tuesday 24 rain in 9 of 20 yrs 9/20 33° 24° August 25 Wednesday 25 rain in 9 of 20 yrs 9/20 32° 24° August 26 Thursday 26 rain in 3 of 20 yrs 3/20 33° 23° August 27 Friday 27 rain in 4 of 20 yrs 4/20 32° 24° August 28 Saturday 28 rain in 9 of 20 yrs 9/20 32° 23° 22-28 rain on 36% of days 33° 24°
August 29 Sunday 29 rain in 7 of 20 yrs 7/20 32° 24° August 30 Monday 30 rain in 9 of 20 yrs 9/20 32° 24° August 31 Tuesday 31 rain in 6 of 20 yrs 6/20 33° 24°
29-31 rain on 37% of days 32° 24°
1-7 rain on 26% of days 34° 25° 8-14 rain on 27% of days 34° 25° 15-21 rain on 34% of days 33° 25° 22-28 rain on 36% of days 33° 24° 29-31 rain on 37% of days 32° 24°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
August 1 Tuesday 1 rain in 3 of 20 yrs 3/20 34° 25° August 2 Wednesday 2 rain in 5 of 20 yrs 5/20 34° 25° August 3 Thursday 3 rain in 4 of 20 yrs 4/20 34° 25° August 4 Friday 4 rain in 2 of 20 yrs 2/20 34° 25° August 5 Saturday 5 rain in 7 of 20 yrs 7/20 34° 26° 1-5 rain on 21% of days 34° 25°
August 6 Sunday 6 rain in 6 of 20 yrs 6/20 34° 26° August 7 Monday 7 rain in 9 of 20 yrs 9/20 34° 25° August 8 Tuesday 8 rain in 4 of 20 yrs 4/20 34° 25° August 9 Wednesday 9 rain in 6 of 20 yrs 6/20 34° 25° August 10 Thursday 10 rain in 5 of 20 yrs 5/20 34° 26° August 11 Friday 11 rain in 5 of 20 yrs 5/20 34° 25° August 12 Saturday 12 rain in 8 of 20 yrs 8/20 33° 25° 6-12 rain on 31% of days 34° 25°
August 13 Sunday 13 rain in 5 of 20 yrs 5/20 34° 25° August 14 Monday 14 rain in 5 of 20 yrs 5/20 33° 26° August 15 Tuesday 15 rain in 9 of 20 yrs 9/20 33° 25° August 16 Wednesday 16 rain in 7 of 20 yrs 7/20 34° 26° August 17 Thursday 17 rain in 8 of 20 yrs 8/20 33° 25° August 18 Friday 18 rain in 5 of 20 yrs 5/20 34° 25° August 19 Saturday 19 rain in 6 of 20 yrs 6/20 33° 25° 13-19 rain on 32% of days 33° 25°
August 20 Sunday 20 rain in 9 of 20 yrs 9/20 33° 24° August 21 Monday 21 rain in 4 of 20 yrs 4/20 33° 25° August 22 Tuesday 22 rain in 7 of 20 yrs 7/20 34° 25° August 23 Wednesday 23 rain in 10 of 20 yrs 10/20 32° 25° August 24 Thursday 24 rain in 9 of 20 yrs 9/20 33° 24° August 25 Friday 25 rain in 9 of 20 yrs 9/20 32° 24° August 26 Saturday 26 rain in 3 of 20 yrs 3/20 33° 23° 20-26 rain on 36% of days 33° 24°
August 27 Sunday 27 rain in 4 of 20 yrs 4/20 32° 24° August 28 Monday 28 rain in 9 of 20 yrs 9/20 32° 23° August 29 Tuesday 29 rain in 7 of 20 yrs 7/20 32° 24° August 30 Wednesday 30 rain in 9 of 20 yrs 9/20 32° 24° August 31 Thursday 31 rain in 6 of 20 yrs 6/20 33° 24°
27-31 rain on 35% of days 32° 24°
1-5 rain on 21% of days 34° 25° 6-12 rain on 31% of days 34° 25° 13-19 rain on 32% of days 33° 25° 20-26 rain on 36% of days 33° 24° 27-31 rain on 35% of days 32° 24°
Tap another date to change
2006 none
2007 3mm
2008 10mm
2009 none
2010 none
2011 13mm
2012 none
2013 none
2014 27mm
2015 none
2016 6mm
2017 none
2018 18mm
2019 62mm
2020 1mm
2021 9mm
2022 none
2023 5mm
2024 none
2025 none
Holidays in August (2027) August 11 Mountain DayAugust 13 to August 16 Obon 1 Local public holiday or break (busier, pricier)
Holidays in August (2028)
Day by day temperature i 22° 28° 35° 41° 1 8 15 22 29 31
Your trip dates, the past 20 years Trip dates August 1 (Sun) 2 (Mon) 3 (Tue) 4 (Wed) 5 (Thu) 6 (Fri) 7 (Sat) 8 (Sun) 9 (Mon) 10 (Tue) 11 (Wed) 12 (Thu) 13 (Fri) 14 (Sat) 15 (Sun) 16 (Mon) 17 (Tue) 18 (Wed) 19 (Thu) 20 (Fri) 21 (Sat) 22 (Sun) 23 (Mon) 24 (Tue) 25 (Wed) 26 (Thu) 27 (Fri) 28 (Sat) 29 (Sun) 30 (Mon) 31 (Tue) ~ August 1 (Sun) 2 (Mon) 3 (Tue) 4 (Wed) 5 (Thu) 6 (Fri) 7 (Sat) 8 (Sun) 9 (Mon) 10 (Tue) 11 (Wed) 12 (Thu) 13 (Fri) 14 (Sat) 15 (Sun) 16 (Mon) 17 (Tue) 18 (Wed) 19 (Thu) 20 (Fri) 21 (Sat) 22 (Sun) 23 (Mon) 24 (Tue) 25 (Wed) 26 (Thu) 27 (Fri) 28 (Sat) 29 (Sun) 30 (Mon) 31 (Tue) 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. 2020 had 3 rain days, 2014 had 20.
What to pack At 33°C by day and 25°C at night, drink water often and bring a spare top.
A packable rain jacket weighs almost nothing and covers 10 rain days. Leave the suede at home.
Common questions Does it rain a lot in Nagoya in August? Over the past 20 years August averaged 10 rain days (1 mm or more) out of 31. Individual years ran from 3 in the driest to 20 in the wettest.
What should I wear in Nagoya in August? Days averaged 33°C and nights 25°C. Pack a compact umbrella, T-shirts, sunscreen plus a hat, and insect repellent.
Is August a good time to visit Nagoya? On warmth and rain days alone, Nagoya's easiest months were May and October. August ranked 9 of 12.
Is Nagoya humid in August? Mean relative humidity was 73%, with about 29 muggy days (dew point of 20°C or more) in the month.
Previous month Nagoya in July Next month Nagoya in September Whole year Nagoya weather by month Where to go August By country Japan: all cities this month