January 0° · ☂ 20 February 1° · ☂ 20 March 5° · ☂ 16 April 12° · ☂ 10 May 18° · ☂ 9 ★ June22° · ☂ 8 ★ July26° · ☂ 7 August 27° · ☂ 10 ★ September23° · ☂ 9 October 17° · ☂ 12 November 9° · ☂ 16 December 2° · ☂ 20 Sapporo in August:comfortably warm, rain on many days Sapporo, Japan · Records from 2006 to 2025. Not a forecast.
Mean high 27° Hottest day 33.7° (2023)
Mean low 19° Coldest night 11.3° (2017)
Rain days 10 days 7-16 by year
Rainfall 120mm Daylight 14.5 → 13.3 h
Sapporo's 12 months i Best: June, July and September
1 2 3 4 5 6 7 8 9 10 11 12
Trip types Sightseeing on foot Finemild and muggy
Humidity 84% 17 muggy days
Clear days 1 day 15 overcast days
Mean wind 7 km/h Rarely windy
Sunrise / sunset (15th) 04:40 / 18:39 Daylight 14.5 → 13.3 h
Sapporo in August The warmest month of the year at midday. Wet days increase from July, so a folding umbrella is useful. Crowds gather around the Obon holiday and rooms can be hard to find.
August in Sapporo was on the warm side, averaging 27°C by day and 19°C at night. There were 10 rain days on average, roughly one day in three. Individual years ran between 7 and 16 rain days.
Daylight lasted 13.3 to 14.5 hours a day, so evenings stayed bright. About 4 days a month still climbed past 30°C, the ones where you looked for shade. Not every year was typical: 2023 ran 3.1°C warmer than the mean, with highs of 29.8°C.
Typhoons i 3 of the last 20 years had a tropical storm pass within 300 km this month.
Mindulle (2016), 133 km away tropical storm Chanthu (2016), 153 km away tropical storm Cimaron (2018), 201 km away tropical storm 1 2 3 4 5 6 7 3 8 3 9 2 10 11 12
Date by date i Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
August 1 Sunday 1 rain in 5 of 20 yrs 5/20 27° 20° August 2 Monday 2 rain in 4 of 20 yrs 4/20 28° 20° August 3 Tuesday 3 rain in 3 of 20 yrs 3/20 28° 20° August 4 Wednesday 4 rain in 6 of 20 yrs 6/20 27° 20° August 5 Thursday 5 rain in 5 of 20 yrs 5/20 28° 20° August 6 Friday 6 rain in 7 of 20 yrs 7/20 28° 21° August 7 Saturday 7 rain in 8 of 20 yrs 8/20 28° 21° 1-7 rain on 27% of days 28° 20°
August 8 Sunday 8 rain in 8 of 20 yrs 8/20 28° 20° August 9 Monday 9 rain in 11 of 20 yrs 11/20 27° 20° August 10 Tuesday 10 rain in 7 of 20 yrs 7/20 27° 20° August 11 Wednesday 11 rain in 7 of 20 yrs 7/20 28° 20° August 12 Thursday 12 rain in 4 of 20 yrs 4/20 27° 20° August 13 Friday 13 rain in 7 of 20 yrs 7/20 27° 20° August 14 Saturday 14 rain in 5 of 20 yrs 5/20 26° 20° 8-14 rain on 35% of days 27° 20°
August 15 Sunday 15 rain in 9 of 20 yrs 9/20 27° 20° August 16 Monday 16 rain in 9 of 20 yrs 9/20 26° 20° August 17 Tuesday 17 rain in 8 of 20 yrs 8/20 26° 19° August 18 Wednesday 18 rain in 4 of 20 yrs 4/20 25° 19° August 19 Thursday 19 rain in 7 of 20 yrs 7/20 27° 19° August 20 Friday 20 rain in 10 of 20 yrs 10/20 26° 19° August 21 Saturday 21 rain in 4 of 20 yrs 4/20 27° 19° 15-21 rain on 36% of days 26° 19°
August 22 Sunday 22 rain in 8 of 20 yrs 8/20 27° 19° August 23 Monday 23 rain in 11 of 20 yrs 11/20 26° 20° August 24 Tuesday 24 rain in 8 of 20 yrs 8/20 26° 19° August 25 Wednesday 25 rain in 4 of 20 yrs 4/20 26° 18° August 26 Thursday 26 rain in 3 of 20 yrs 3/20 26° 18° August 27 Friday 27 rain in 7 of 20 yrs 7/20 26° 18° August 28 Saturday 28 rain in 3 of 20 yrs 3/20 26° 18° 22-28 rain on 31% of days 26° 19°
August 29 Sunday 29 rain in 7 of 20 yrs 7/20 26° 18° August 30 Monday 30 rain in 6 of 20 yrs 6/20 26° 18° August 31 Tuesday 31 rain in 7 of 20 yrs 7/20 25° 18°
29-31 rain on 33% of days 26° 18°
1-7 rain on 27% of days 28° 20° 8-14 rain on 35% of days 27° 20° 15-21 rain on 36% of days 26° 19° 22-28 rain on 31% of days 26° 19° 29-31 rain on 33% of days 26° 18°
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Week
August 1 Tuesday 1 rain in 5 of 20 yrs 5/20 27° 20° August 2 Wednesday 2 rain in 4 of 20 yrs 4/20 28° 20° August 3 Thursday 3 rain in 3 of 20 yrs 3/20 28° 20° August 4 Friday 4 rain in 6 of 20 yrs 6/20 27° 20° August 5 Saturday 5 rain in 5 of 20 yrs 5/20 28° 20° 1-5 rain on 23% of days 28° 20°
August 6 Sunday 6 rain in 7 of 20 yrs 7/20 28° 21° August 7 Monday 7 rain in 8 of 20 yrs 8/20 28° 21° August 8 Tuesday 8 rain in 8 of 20 yrs 8/20 28° 20° August 9 Wednesday 9 rain in 11 of 20 yrs 11/20 27° 20° August 10 Thursday 10 rain in 7 of 20 yrs 7/20 27° 20° August 11 Friday 11 rain in 7 of 20 yrs 7/20 28° 20° August 12 Saturday 12 rain in 4 of 20 yrs 4/20 27° 20° 6-12 rain on 37% of days 28° 20°
August 13 Sunday 13 rain in 7 of 20 yrs 7/20 27° 20° August 14 Monday 14 rain in 5 of 20 yrs 5/20 26° 20° August 15 Tuesday 15 rain in 9 of 20 yrs 9/20 27° 20° August 16 Wednesday 16 rain in 9 of 20 yrs 9/20 26° 20° August 17 Thursday 17 rain in 8 of 20 yrs 8/20 26° 19° August 18 Friday 18 rain in 4 of 20 yrs 4/20 25° 19° August 19 Saturday 19 rain in 7 of 20 yrs 7/20 27° 19° 13-19 rain on 35% of days 26° 19°
August 20 Sunday 20 rain in 10 of 20 yrs 10/20 26° 19° August 21 Monday 21 rain in 4 of 20 yrs 4/20 27° 19° August 22 Tuesday 22 rain in 8 of 20 yrs 8/20 27° 19° August 23 Wednesday 23 rain in 11 of 20 yrs 11/20 26° 20° August 24 Thursday 24 rain in 8 of 20 yrs 8/20 26° 19° August 25 Friday 25 rain in 4 of 20 yrs 4/20 26° 18° August 26 Saturday 26 rain in 3 of 20 yrs 3/20 26° 18° 20-26 rain on 34% of days 26° 19°
August 27 Sunday 27 rain in 7 of 20 yrs 7/20 26° 18° August 28 Monday 28 rain in 3 of 20 yrs 3/20 26° 18° August 29 Tuesday 29 rain in 7 of 20 yrs 7/20 26° 18° August 30 Wednesday 30 rain in 6 of 20 yrs 6/20 26° 18° August 31 Thursday 31 rain in 7 of 20 yrs 7/20 25° 18°
27-31 rain on 30% of days 26° 18°
1-5 rain on 23% of days 28° 20° 6-12 rain on 37% of days 28° 20° 13-19 rain on 35% of days 26° 19° 20-26 rain on 34% of days 26° 19° 27-31 rain on 30% of days 26° 18°
Tap another date to change
2006 none
2007 21mm
2008 none
2009 none
2010 11mm
2011 none
2012 none
2013 32mm
2014 none
2015 none
2016 none
2017 3mm
2018 9mm
2019 13mm
2020 none
2021 9mm
2022 15mm
2023 5mm
2024 9mm
2025 3mm
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 17° 23° 29° 35° 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. 2006 had 7 rain days, 2013 had 16.
Common questions Does it rain a lot in Sapporo in August? Over the past 20 years August averaged 10 rain days (1 mm or more) out of 31. Individual years ran from 7 in the driest to 16 in the wettest.
What should I wear in Sapporo in August? Days averaged 27°C and nights 19°C. Pack a compact umbrella, T-shirts, a light layer for the evenings, sunscreen plus a hat, and insect repellent.
Is August a good time to visit Sapporo? On warmth and rain days alone, Sapporo's easiest months were June, July and September. August ranked 4 of 12.
Is Sapporo humid in August? Mean relative humidity was 84%, with about 17 muggy days (dew point of 20°C or more) in the month.
Previous month Sapporo in July Next month Sapporo in September Whole year Sapporo weather by month Where to go August By country Japan: all cities this month Compare Compare with Naha