Tokyo · Japan

Tokyo in May: every year compared

In May, Tokyo averages highs of 22.2 °C and lows of 15.1 °C, with 129 mm of precipitation. The warmest May was 2015 (20.5 °C), the coldest 1947 (16.1 °C).

Avg. highAvg. high 22.2 °C

Avg. lowAvg. low 15.1 °C

PrecipitationPrecipitation 129 mm

Rainy daysRainy days 12

Day by day through May

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

Normal high and low, day by dayNormal 1991–2020

Every May in Tokyo, ranked

86 months of May since 1940. The last one, 2025, ranks 21 of 86 (+0.1 °C vs normal).

194019832025

2025 · 18.6 °C · +0.1 °C vs normal · rank 21 of 86

Warmest years

1201520.5 °C
2199819.7 °C
3201619.7 °C
4201719.7 °C
5201919.7 °C

Coldest years

1194716.1 °C
2194516.2 °C
3194616.4 °C
4199216.6 °C
5198416.6 °C

All 86 years in a table

Year	Mean temperature	Daytime highs	Night lows	Precipitation	Hot days (30 °C+)	Rainy days
2025	18.6 °C	22.1 °C	15.3 °C	181 mm	0 days	15 days
2024	19.6 °C	23.2 °C	15.7 °C	210 mm	0 days	12 days
2023	18.6 °C	22.6 °C	14.8 °C	148 mm	1 day	14 days
2022	18.6 °C	22.4 °C	15.1 °C	118 mm	0 days	14 days
2021	19.6 °C	23.0 °C	16.1 °C	96 mm	0 days	13 days
2020	19.3 °C	22.8 °C	15.9 °C	97 mm	0 days	13 days
2019	19.7 °C	23.9 °C	15.5 °C	92 mm	2 days	8 days
2018	19.5 °C	23.5 °C	15.5 °C	164 mm	0 days	13 days
2017	19.7 °C	23.6 °C	16.0 °C	72 mm	0 days	7 days
2016	19.7 °C	23.8 °C	15.7 °C	100 mm	0 days	7 days
2015	20.5 °C	24.9 °C	16.5 °C	72 mm	0 days	9 days
2014	19.3 °C	23.4 °C	15.2 °C	89 mm	0 days	9 days
2013	18.7 °C	22.7 °C	15.0 °C	60 mm	0 days	10 days
2012	18.4 °C	21.9 °C	14.9 °C	175 mm	0 days	13 days
2011	17.9 °C	21.4 °C	14.5 °C	225 mm	0 days	15 days
2010	17.9 °C	21.4 °C	14.5 °C	112 mm	0 days	9 days
2009	19.1 °C	22.4 °C	15.9 °C	161 mm	0 days	14 days
2008	17.7 °C	21.0 °C	14.8 °C	232 mm	0 days	14 days
2007	18.4 °C	22.3 °C	14.7 °C	116 mm	0 days	9 days
2006	18.0 °C	21.2 °C	14.9 °C	148 mm	0 days	15 days
2005	17.4 °C	21.7 °C	13.8 °C	113 mm	0 days	12 days
2004	18.9 °C	22.5 °C	15.7 °C	181 mm	0 days	15 days
2003	17.9 °C	21.1 °C	14.9 °C	150 mm	0 days	10 days
2002	17.6 °C	21.0 °C	14.6 °C	85 mm	0 days	11 days
2001	18.7 °C	21.9 °C	15.8 °C	130 mm	0 days	16 days
2000	18.8 °C	22.5 °C	15.8 °C	119 mm	0 days	13 days
1999	18.7 °C	22.4 °C	15.4 °C	116 mm	0 days	9 days
1998	19.7 °C	22.9 °C	16.6 °C	189 mm	0 days	17 days
1997	18.3 °C	21.8 °C	15.1 °C	161 mm	0 days	14 days
1996	17.1 °C	20.7 °C	13.8 °C	113 mm	0 days	9 days
1995	18.2 °C	21.5 °C	15.3 °C	161 mm	0 days	15 days
1994	18.8 °C	22.5 °C	15.2 °C	119 mm	0 days	10 days
1993	17.3 °C	21.5 °C	13.5 °C	84 mm	0 days	11 days
1992	16.6 °C	20.2 °C	13.2 °C	146 mm	0 days	15 days
1991	18.1 °C	21.9 °C	14.7 °C	82 mm	0 days	11 days
1990	18.3 °C	21.8 °C	15.1 °C	71 mm	0 days	12 days
1989	16.9 °C	20.3 °C	13.7 °C	170 mm	0 days	16 days
1988	17.5 °C	21.0 °C	14.0 °C	119 mm	0 days	12 days
1987	18.6 °C	22.3 °C	15.1 °C	111 mm	0 days	8 days
1986	17.1 °C	20.5 °C	13.8 °C	261 mm	0 days	13 days
1985	18.4 °C	21.9 °C	15.2 °C	76 mm	0 days	10 days
1984	16.6 °C	20.3 °C	13.4 °C	71 mm	0 days	10 days
1983	18.6 °C	22.5 °C	15.1 °C	118 mm	0 days	11 days
1982	19.5 °C	23.6 °C	15.9 °C	87 mm	0 days	7 days
1981	17.0 °C	20.3 °C	13.8 °C	174 mm	0 days	14 days
1980	18.2 °C	21.9 °C	14.7 °C	188 mm	0 days	15 days
1979	17.3 °C	21.1 °C	13.6 °C	128 mm	0 days	11 days
1978	18.3 °C	21.7 °C	15.3 °C	125 mm	0 days	11 days
1977	17.7 °C	21.5 °C	13.9 °C	126 mm	0 days	10 days
1976	17.2 °C	20.7 °C	14.0 °C	201 mm	0 days	20 days
1975	17.7 °C	21.2 °C	14.4 °C	88 mm	0 days	9 days
1974	18.4 °C	22.2 °C	15.0 °C	88 mm	0 days	11 days
1973	17.4 °C	21.3 °C	13.9 °C	147 mm	0 days	14 days
1972	18.2 °C	21.7 °C	14.8 °C	144 mm	0 days	16 days
1971	17.1 °C	20.6 °C	14.0 °C	101 mm	0 days	15 days
1970	18.4 °C	22.1 °C	15.0 °C	106 mm	0 days	11 days
1969	18.5 °C	22.4 °C	15.0 °C	111 mm	0 days	12 days
1968	16.8 °C	20.3 °C	13.6 °C	144 mm	0 days	13 days
1967	18.7 °C	22.9 °C	14.8 °C	57 mm	0 days	12 days
1966	16.6 °C	20.6 °C	12.4 °C	143 mm	0 days	11 days
1965	16.7 °C	20.4 °C	13.7 °C	265 mm	0 days	15 days
1964	18.3 °C	22.3 °C	14.4 °C	144 mm	0 days	10 days
1963	18.0 °C	21.2 °C	14.7 °C	205 mm	0 days	16 days
1962	18.1 °C	21.9 °C	14.6 °C	179 mm	0 days	14 days
1961	19.2 °C	22.7 °C	15.6 °C	58 mm	0 days	8 days
1960	17.5 °C	21.1 °C	14.2 °C	166 mm	0 days	15 days
1959	17.9 °C	21.7 °C	14.4 °C	164 mm	0 days	11 days
1958	17.6 °C	21.5 °C	13.6 °C	150 mm	0 days	14 days
1957	16.7 °C	20.4 °C	13.1 °C	159 mm	0 days	15 days
1956	17.4 °C	20.9 °C	13.8 °C	182 mm	0 days	15 days
1955	17.8 °C	21.2 °C	14.2 °C	169 mm	0 days	11 days
1954	17.5 °C	21.3 °C	13.9 °C	100 mm	0 days	9 days
1953	17.3 °C	20.9 °C	13.8 °C	159 mm	0 days	14 days
1952	16.7 °C	20.6 °C	12.8 °C	126 mm	0 days	12 days
1951	17.5 °C	21.8 °C	13.6 °C	73 mm	0 days	11 days
1950	18.5 °C	22.6 °C	14.9 °C	69 mm	0 days	11 days
1949	17.6 °C	21.7 °C	13.8 °C	76 mm	0 days	12 days
1948	17.7 °C	21.2 °C	14.6 °C	90 mm	0 days	12 days
1947	16.1 °C	20.1 °C	12.5 °C	171 mm	0 days	15 days
1946	16.4 °C	20.4 °C	12.6 °C	72 mm	0 days	10 days
1945	16.2 °C	20.3 °C	12.0 °C	141 mm	0 days	13 days
1944	18.4 °C	22.4 °C	14.9 °C	41 mm	0 days	8 days
1943	17.9 °C	22.1 °C	14.1 °C	54 mm	0 days	7 days
1942	17.3 °C	21.2 °C	13.3 °C	102 mm	0 days	10 days
1941	17.1 °C	20.9 °C	13.8 °C	154 mm	0 days	14 days
1940	17.4 °C	22.0 °C	13.2 °C	45 mm	0 days	4 days

May records

Hottest day

31.0 °C

May 18, 2023 estimate

Nearby station: 32.6 °C on May 26, 2019 measured

Coldest night

4.4 °C

May 3, 1953 estimate

Nearby station: 4.0 °C on May 3, 1953 measured

Wettest day

78 mm

May 3, 2012 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 May?

Highs average 22.2 °C and lows 15.1 °C. A typical May brings 0 hot days (30 °C or more) and 0 frost days.

Does it rain a lot in Tokyo in May?

About 129 mm falls in May, over some 12 days with at least 1 mm. The wettest May was 1965 (265 mm), the driest 1944 (41 mm).

What was the warmest May in Tokyo?

2015, with a mean temperature of 20.5 °C. The coldest was 1947 (16.1 °C). The last one, 2025, ranks 21 of 86.