Takamatsu in Summer

In summer (June, July and August), Takamatsu sees average daytime highs around 27°C and overnight lows near 23°C, with 512 mm of rain over about 39 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Over the season highs climb from about 23°C in early June to 29°C by late August. The sky is clear or mostly clear about 24% of the time across summer, and the air most often feels oppressive.

Summer is Takamatsu's 2nd-best season to visit on our travel score. For the whole year in context, see Takamatsu's year-round climate.

Avg daytime high
27°C
warmest season of the year
Avg overnight low
23°C
Rainfall
512 mm
39 wet days
Avg wind
8 km/h
Travel score
5.4
2nd-best season
Months
Jun · Jul · Aug

Temperature in Takamatsu in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 23°C in early June to 29°C by late August.

A typical summer day in Takamatsu reaches about 27°C and drops to 23°C overnight. The warmest of the three months is August, the coolest June.

15°20°25°30°35°JunJulAug

How summer really feels in Takamatsu

Once humidity and wind are folded in, summer brings about 36 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
36
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Takamatsu weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6210.11.8101.6
Feb / 669.71.710.71.9
Mar13° / 10411.70.311.73.3
Apr17° / 11°11310.8012.85.4
May21° / 15°13310.4013.86.5
Jun25° / 20°20213.7014.25.9
Jul28° / 24°18913.9014.15.2
Aug30° / 25°12111.2013.35.0
Sep26° / 21°18412.6012.26.1
Oct21° / 16°1479.8011.16.7
Nov16° / 10°718.6010.25.2
Dec11° / 6710.50.79.72.7

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Takamatsu gets around 512 mm of rain over 39 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 8 km/h across summer.

051015JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 06 min in early June to 12 h 48 min by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.1 kWh/m².

0246JunJulAug
Planning a trip in summer

Hazard calendar for Takamatsu

In seasonPeak

In summer, Takamatsu overlaps its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Takamatsu sits in the Pacific typhoon belt; the season peaks July–October.

Pacific typhoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is summer a good time to visit Takamatsu?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

5.4
Sightseeing
2nd-best month of the year
6.0
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Takamatsu for sightseeing.

What to pack for Takamatsu in Summer

From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In summer, Takamatsu sees daytime highs around 27°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 39 days see rain.

light clothesrain gearsun protection

Sea temperature near Takamatsu in Summer

The nearest coast averages about 24°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 13 — about 5.3 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov20Cool
Dec17Cool

UV index in Takamatsu in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Takamatsu peaks around June 22 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJun 22UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Takamatsu in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Takamatsu is worst in April — around 23 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1422 µg/m³Oct 1613 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb17Moderate
Mar21Moderate
Apr23Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Takamatsu?

Takamatsu sits at 34.3°N, 134.1°E, 17 m above sea level, in Japan. The nearest listed city is Hiragi, 10 km away.

Topography around Takamatsu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Takamatsu.

Within 3 km, the terrain around Takamatsu has only modest variations in elevation — a maximum elevation change of 241 m around an average of 21 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 532 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,946 m.

The land around Takamatsu is covered by artificial surfaces (70%) within 3 km, water (36%), trees (32%) and artificial surfaces (20%) within 16 km, and trees (55%) and water (33%) within 80 km.

3 km
241 m
16 km
532 m
80 km
1,946 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Hiragi 10 km · Shido 11 km · Naoshima 15 km · Takinomiya 15 km · Sakaidechō 20 km · Utazu 22 km · Tamano 23 km · Marugame 25 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Takamatsu (34.3333°, 134.05°, elevation 17 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.