Tokyo · Japan

Tokyo in August: every year compared

In August, Tokyo averages highs of 30.4 °C and lows of 24.3 °C, with 110 mm of precipitation. The warmest August was 2025 (29.8 °C), the coldest 1980 (23.2 °C).

Avg. highAvg. high 30.4 °C

Avg. lowAvg. low 24.3 °C

PrecipitationPrecipitation 110 mm

Rainy daysRainy days 11

Day by day through August

Normal high and low for each day of August in Tokyo.

Normal high and low, day by dayNormal 1991–2020

Every August in Tokyo, ranked

86 months of August since 1940. The last one, 2025, ranks 1 of 86 (+2.8 °C vs normal).

194019832025

2025 · 29.8 °C · +2.8 °C vs normal · rank 1 of 86

Warmest years

1202529.8 °C
2202329.5 °C
3202429.5 °C
4199529.1 °C
5202029.0 °C

Coldest years

1198023.2 °C
2199324.3 °C
3194024.4 °C
4197724.6 °C
5197624.6 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Hot days (30 °C+)	Rainy days
2025	29.8 °C	34.1 °C	26.7 °C	37 mm	28 days	8 days
2024	29.5 °C	33.1 °C	26.6 °C	122 mm	28 days	12 days
2023	29.5 °C	33.2 °C	26.6 °C	83 mm	31 days	12 days
2022	27.3 °C	30.5 °C	24.7 °C	158 mm	19 days	13 days
2021	27.2 °C	30.3 °C	24.6 °C	209 mm	21 days	11 days
2020	29.0 °C	33.2 °C	25.6 °C	19 mm	28 days	4 days
2019	28.3 °C	31.6 °C	25.7 °C	77 mm	23 days	16 days
2018	28.0 °C	31.6 °C	25.0 °C	80 mm	23 days	12 days
2017	26.4 °C	29.5 °C	23.8 °C	113 mm	15 days	13 days
2016	27.1 °C	30.3 °C	24.4 °C	266 mm	16 days	15 days
2015	26.6 °C	29.8 °C	24.2 °C	97 mm	18 days	11 days
2014	27.1 °C	30.3 °C	24.3 °C	89 mm	17 days	11 days
2013	28.3 °C	32.1 °C	25.2 °C	56 mm	23 days	6 days
2012	28.3 °C	32.0 °C	25.1 °C	47 mm	26 days	9 days
2011	26.8 °C	30.2 °C	24.1 °C	154 mm	14 days	14 days
2010	28.5 °C	31.9 °C	25.8 °C	83 mm	26 days	6 days
2009	25.5 °C	28.6 °C	23.1 °C	166 mm	6 days	10 days
2008	26.7 °C	30.2 °C	24.1 °C	106 mm	18 days	17 days
2007	28.2 °C	32.0 °C	25.2 °C	28 mm	24 days	5 days
2006	26.6 °C	29.9 °C	24.0 °C	128 mm	17 days	12 days
2005	26.9 °C	30.3 °C	24.4 °C	122 mm	19 days	10 days
2004	26.7 °C	30.3 °C	23.8 °C	76 mm	19 days	8 days
2003	25.1 °C	28.1 °C	22.8 °C	317 mm	11 days	15 days
2002	27.3 °C	31.1 °C	24.6 °C	106 mm	22 days	11 days
2001	26.1 °C	29.4 °C	23.8 °C	96 mm	14 days	14 days
2000	27.5 °C	31.1 °C	24.8 °C	43 mm	23 days	10 days
1999	27.6 °C	30.8 °C	25.1 °C	117 mm	23 days	12 days
1998	26.4 °C	29.5 °C	24.1 °C	166 mm	16 days	16 days
1997	26.1 °C	29.7 °C	23.3 °C	29 mm	17 days	6 days
1996	25.4 °C	29.0 °C	22.6 °C	50 mm	11 days	13 days
1995	29.1 °C	33.6 °C	25.9 °C	11 mm	29 days	5 days
1994	28.4 °C	32.4 °C	25.4 °C	149 mm	25 days	7 days
1993	24.3 °C	26.9 °C	22.0 °C	280 mm	1 day	15 days
1992	26.3 °C	29.7 °C	23.6 °C	39 mm	18 days	9 days
1991	25.0 °C	28.2 °C	22.4 °C	192 mm	5 days	12 days
1990	28.1 °C	31.8 °C	25.3 °C	115 mm	27 days	7 days
1989	26.2 °C	29.3 °C	23.8 °C	148 mm	12 days	9 days
1988	26.1 °C	29.1 °C	23.9 °C	179 mm	11 days	20 days
1987	26.4 °C	29.6 °C	23.9 °C	90 mm	15 days	10 days
1986	26.1 °C	29.5 °C	23.4 °C	151 mm	16 days	4 days
1985	26.9 °C	30.3 °C	24.2 °C	71 mm	20 days	6 days
1984	27.9 °C	31.5 °C	25.1 °C	10 mm	27 days	5 days
1983	26.5 °C	29.6 °C	23.8 °C	135 mm	16 days	9 days
1982	25.9 °C	28.8 °C	23.8 °C	158 mm	6 days	14 days
1981	25.4 °C	28.5 °C	22.8 °C	164 mm	9 days	15 days
1980	23.2 °C	25.9 °C	21.0 °C	179 mm	2 days	20 days
1979	26.2 °C	29.2 °C	23.6 °C	182 mm	14 days	16 days
1978	28.7 °C	32.8 °C	25.5 °C	23 mm	29 days	5 days
1977	24.6 °C	27.3 °C	22.4 °C	342 mm	7 days	18 days
1976	24.6 °C	27.7 °C	21.9 °C	189 mm	10 days	17 days
1975	26.2 °C	29.7 °C	23.3 °C	73 mm	13 days	8 days
1974	26.6 °C	29.7 °C	24.2 °C	118 mm	16 days	18 days
1973	28.1 °C	31.8 °C	25.3 °C	73 mm	27 days	7 days
1972	26.2 °C	29.5 °C	23.4 °C	146 mm	16 days	13 days
1971	26.2 °C	29.4 °C	23.6 °C	160 mm	19 days	13 days
1970	25.9 °C	29.5 °C	23.2 °C	108 mm	13 days	11 days
1969	26.5 °C	30.2 °C	23.8 °C	93 mm	18 days	17 days
1968	25.9 °C	29.1 °C	23.3 °C	217 mm	15 days	16 days
1967	27.3 °C	30.8 °C	24.2 °C	99 mm	21 days	14 days
1966	25.7 °C	29.1 °C	23.2 °C	71 mm	5 days	12 days
1965	25.5 °C	29.0 °C	23.1 °C	132 mm	9 days	12 days
1964	27.1 °C	30.5 °C	24.5 °C	259 mm	22 days	16 days
1963	26.5 °C	30.0 °C	23.7 °C	75 mm	18 days	11 days
1962	27.6 °C	31.8 °C	24.3 °C	87 mm	25 days	9 days
1961	26.6 °C	30.2 °C	23.8 °C	81 mm	17 days	15 days
1960	26.2 °C	29.4 °C	23.5 °C	206 mm	13 days	16 days
1959	26.3 °C	29.4 °C	23.7 °C	162 mm	17 days	15 days
1958	26.1 °C	29.6 °C	23.2 °C	59 mm	17 days	14 days
1957	26.7 °C	29.9 °C	24.3 °C	38 mm	14 days	12 days
1956	25.9 °C	29.5 °C	22.6 °C	110 mm	16 days	11 days
1955	26.1 °C	29.3 °C	23.4 °C	140 mm	10 days	15 days
1954	27.0 °C	30.5 °C	24.3 °C	89 mm	19 days	10 days
1953	24.8 °C	27.8 °C	22.6 °C	300 mm	8 days	23 days
1952	26.2 °C	29.7 °C	23.4 °C	42 mm	13 days	13 days
1951	26.4 °C	30.0 °C	23.6 °C	67 mm	15 days	13 days
1950	25.6 °C	28.6 °C	23.2 °C	205 mm	5 days	19 days
1949	25.8 °C	29.2 °C	23.3 °C	119 mm	10 days	19 days
1948	24.7 °C	27.6 °C	22.5 °C	164 mm	0 days	21 days
1947	26.9 °C	30.8 °C	24.1 °C	63 mm	20 days	10 days
1946	25.5 °C	28.9 °C	22.9 °C	80 mm	9 days	10 days
1945	25.5 °C	28.7 °C	23.1 °C	93 mm	8 days	18 days
1944	26.4 °C	30.1 °C	23.6 °C	68 mm	14 days	13 days
1943	26.1 °C	30.2 °C	23.0 °C	53 mm	15 days	15 days
1942	26.2 °C	29.7 °C	23.4 °C	65 mm	16 days	14 days
1941	25.0 °C	28.1 °C	22.7 °C	81 mm	3 days	21 days
1940	24.4 °C	27.5 °C	21.8 °C	153 mm	4 days	17 days

August records

Hottest day

37.6 °C

August 3, 1994 estimate

Nearby station: 39.1 °C on August 3, 1994 measured

Coldest night

17.6 °C

August 10, 1980 estimate

Nearby station: 15.9 °C on August 28, 1953 measured

Wettest day

173 mm

August 27, 1993 estimate

The weather on your birthday in Tokyo

Any day since 1940: high, low, rain, snow, and how warm it was compared with the same date in every other year.

Questions & answers

How warm is Tokyo in August?

Highs average 30.4 °C and lows 24.3 °C. A typical August brings 18 hot days (30 °C or more) and 0 frost days.

Does it rain a lot in Tokyo in August?

About 110 mm falls in August, over some 11 days with at least 1 mm. The wettest August was 1977 (342 mm), the driest 1984 (10 mm).

What was the warmest August in Tokyo?

2025, with a mean temperature of 29.8 °C. The coldest was 1980 (23.2 °C). The last one, 2025, ranks 1 of 86.