Tokushima climate

Name: Tokushima
Address: JP

Tokushima is warmest in August, with average highs of 29 °C, and coldest in January, when nights average 4.8 °C. September is the wettest month (274 mm) and January the driest (70 mm). Figures are 1991–2020 climate normals.

Across a full year Tokushima averages 2,011 mm of rain, 92 days above 25 °C and 2 days below freezing.

Japan · population 267,345 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month August 29 °C
Coldest month January 4.8 °C
Driest month January 70 mm
Wettest month September 274 mm
Least cloud December 47 % cloud
Hottest on record August 36 °C
Coldest on record February -5.0 °C
Warmest sea August 27 °C

What to expectTokushima through the year

Tokushima has a clear annual cycle: average daily highs run from 9.6 °C in January to 29 °C in August, a swing of 20 °C in mean temperature across the year.

Counted across a normal year, 92 days a year reach 25 °C, 13 of them reach 30 °C, 2 nights drop below freezing. The warmest reading in the 1991–2020 record is 36 °C, in August.

Rain is strongly seasonal. September averages 274 mm against 70 mm in January — 3.9 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Tokushima is warmest in August at 27 °C and coldest in February at 14 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	9.6 °C	70 mm	52 %
February	10.3 °C	81 mm	55 %
March	13.3 °C	127 mm	58 %
April	17.5 °C	149 mm	58 %
May	21.3 °C	189 mm	65 %
June	24.2 °C	270 mm	78 %
July	27.7 °C	245 mm	70 %
August	29.0 °C	194 mm	59 %
September	26.1 °C	274 mm	62 %
October	21.4 °C	228 mm	54 %
November	16.7 °C	102 mm	50 %
December	11.8 °C	81 mm	47 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C	Days below 0 °C
January	9.6 °C	4.8 °C	7.0 °C	18.1 °C	-3.4 °C	0	0	1
February	10.3 °C	5.0 °C	7.5 °C	19.7 °C	-5.0 °C	0	0	1
March	13.3 °C	7.4 °C	10.2 °C	21.7 °C	0.4 °C	0	0	0
April	17.5 °C	11.7 °C	14.6 °C	25.4 °C	2.6 °C	0	0	0
May	21.3 °C	16.0 °C	18.6 °C	29.8 °C	7.5 °C	1	0	0
June	24.2 °C	20.0 °C	22.0 °C	32.7 °C	13.9 °C	9	0	0
July	27.7 °C	24.0 °C	25.7 °C	35.5 °C	18.5 °C	28	3	0
August	29.0 °C	25.0 °C	26.9 °C	36.3 °C	19.5 °C	31	9	0
September	26.1 °C	22.1 °C	24.0 °C	33.9 °C	14.1 °C	20	1	0
October	21.4 °C	17.1 °C	19.1 °C	28.3 °C	8.4 °C	2	0	0
November	16.7 °C	11.9 °C	14.2 °C	25.7 °C	3.6 °C	0	0	0
December	11.8 °C	7.0 °C	9.2 °C	24.2 °C	-1.0 °C	0	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	70 mm	7	10 h/day	52 %	66 %	21 km/h	15.0 °C
February	81 mm	9	11 h/day	55 %	66 %	21 km/h	13.7 °C
March	127 mm	12	12 h/day	58 %	68 %	21 km/h	14.0 °C
April	149 mm	11	13 h/day	58 %	72 %	20 km/h	15.5 °C
May	189 mm	13	14 h/day	65 %	77 %	17 km/h	17.9 °C
June	270 mm	17	14 h/day	78 %	84 %	15 km/h	21.3 °C
July	245 mm	17	14 h/day	70 %	86 %	15 km/h	24.6 °C
August	194 mm	16	13 h/day	59 %	82 %	16 km/h	26.8 °C
September	274 mm	15	12 h/day	62 %	79 %	17 km/h	26.1 °C
October	228 mm	12	11 h/day	54 %	73 %	18 km/h	23.6 °C
November	102 mm	9	10 h/day	50 %	70 %	18 km/h	20.3 °C
December	81 mm	7	9.9 h/day	47 %	67 %	21 km/h	17.3 °C

How Tokushima compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Tokushima	29 °C	4.8 °C	2,011 mm	92
Takamatsu · Japan	30 °C	3.6 °C	1,444 mm	95
Minato · Japan	30 °C	3.4 °C	1,657 mm	96
Akashi · Japan	30 °C	2.2 °C	1,438 mm	98

Planning a trip? See the best time to visit Tokushima.

QuestionsCommon questions about Tokushima’s climate

When is the best time to visit Tokushima?

That depends on what you want, so the honest answer is a comparison rather than a single month. May, June, October sit closest to 20 °C on average, August is the warmest month and January the driest. The month-by-month table above has the full picture.

How hot does Tokushima get?

In August, the warmest month, daily highs average 29 °C. About 13 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 4.8 °C in January, the coldest month. A normal year has 2 nights below freezing.

Which month is wettest in Tokushima?

September, averaging 274 mm over 15 days with rain. The driest month is January with 70 mm. The year as a whole averages 2,011 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Tokushima rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 34.067°, 134.567° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.