Sukumo weather in July

In July, Sukumo sees average daytime highs of 29°C and overnight lows near 24°C, with 252 mm of rain across 15.8 wet days and about 14 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 30°C by the end. The sky is clear or mostly clear about 21% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 06 min at the start of July to 13 h 42 min by month's end. Set against the rest of the year, July is Sukumo's 11th-clearest and 12th-windiest month. For the whole year in context, see Sukumo's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
252 mm
15.8 wet days
Daylight
14 hours
5:15 AM – 7:14 PM
Cloud cover
72%
11th clearest
Wind
11 km/h
12th windiest
Solar energy
5.27 kWh/m²
Travel score
4.6
out of 10

Sukumo is city in Kōchi Prefecture, Japan.

Density
67/km²
people per km²
Founded
1954

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 27°C in the first days to 30°C by the end.

A typical July day in Sukumo reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 32°C. Set against its neighbours, July runs about 4°C warmer than June and about 1°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12723
22723
32723
42823
52823
62823
72823
82823
92824
102824
112924
122924
132924
142924
152924
162924
172924
182924
193024
203024
213024
223025
233025
243025
253025
263025
273025
283025
293025
303025
313025

How July really feels in Sukumo

Once humidity and wind are folded in, July averages 21 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
21
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Sukumo weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 666.310.12.8
Feb12° / 848.210.83.1
Mar15° / 13611.311.74.4
Apr19° / 12°1601112.86.0
May23° / 16°1891213.76.4
Jun25° / 20°32816.614.15.4
Jul29° / 24°25215.8144.6
Aug30° / 25°19215.413.24.4
Sep28° / 22°23914.912.25.4
Oct23° / 17°18310.111.27.0
Nov18° / 12°1088.710.36.1
Dec13° / 806.79.94.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
22080
32080
42179
52278
62377
72377
82476
92575
102674
112674
122872
132872
142971
153070
163070
173169
183268
193367
203466
213565
223664
233763
243961
254060
264060
274258
284357
294357
304456
314456

Chance of precipitation in July

Any precipitation

Sukumo gets around 252 mm of rain over 15.8 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 51% and peaks near 62% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
162
261
360
459
558
657
756
855
954
1053
1152
1251
1350
1449
1548
1648
1747
1847
1947
2047
2147
2247
2347
2447
2547
2647
2748
2848
2948
3048
3149

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 57% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15295412
24275613
33255715
43235816
52215918
62205919
71196020
81186021
91175923
100166024
110156025
120155926
130145927
140145828
150135928
160135829
170125830
180115831
190115732
200105733
210105634
22095635
23085636
24075637
25065638
26055639
27055540
28045541
29045442
30035443
31035443

Wind in July

Winds average 11 km/h in July, the calmest month.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 06 min at the start of July to 13 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over July. Sunrise moves from 5:08 AM to 5:25 AM, and sunset from 7:17 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.15:087:17
214.15:087:17
314.15:097:17
414.15:097:17
514.15:107:17
614.15:107:17
714.15:117:16
814.15:117:16
914.15:127:16
1014.15:127:16
1114.15:137:16
1214.05:137:15
1314.05:147:15
1414.05:147:15
1514.05:157:14
1614.05:157:14
1714.05:167:14
1813.95:177:13
1913.95:177:13
2013.95:187:12
2113.95:187:12
2213.95:197:11
2313.85:207:11
2413.85:207:10
2513.85:217:09
2613.85:227:09
2713.85:227:08
2813.75:237:07
2913.75:247:07
3013.75:247:06
3113.75:257:05

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.27 kWh/m².

For context, solar energy here swings from a low near 2.56 kWh/m² to a high of 5.46 kWh/m² in May across the year — July's 5.27 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.7Bright
34.7Bright
44.8Bright
54.8Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.1Bright
115.2Bright
125.2Bright
135.3Bright
145.3Bright
155.3Bright
165.4Bright
175.4Bright
185.4Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Sukumo

In seasonPeak

In July, Sukumo sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

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

Sukumo's rainy season runs April–October, when most of the year's rain falls.

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

Is July a good time to visit Sukumo?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.6
Sightseeing
7th-best month of the year
5.8
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Sukumo for sightseeing.

What to pack for Sukumo in July

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

In July, Sukumo sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Sukumo in July

The nearest coast averages about 26°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from May 1 to Dec 23 — about 7.8 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr19Cool
May21Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in Sukumo in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sukumo peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 23UV 11Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr7Very high
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sukumo in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Sukumo is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1420 µg/m³Oct 1410 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb15Moderate
Mar19Moderate
Apr20Moderate
May18Moderate
Jun15Moderate
Jul11Good
Aug11Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Sukumo?

Sukumo sits at 32.9°N, 132.7°E, 12 m above sea level, in Japan. The nearest listed city is Mishōhirajō, 16 km away.

Topography around Sukumo

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

Within 3 km, the terrain around Sukumo has significant variations in elevation — a maximum elevation change of 454 m around an average of 116 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,052 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,528 m.

The land around Sukumo is covered by trees (76%) within 3 km, trees (79%) within 16 km, and water (62%) and trees (36%) within 80 km.

3 km
454 m
16 km
1,052 m
80 km
1,528 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Mishōhirajō 16 km · Nakamura 19 km · Shimoda 24 km · Uwajima 36 km · Uwa 52 km · Yawatahama 65 km · Ōzu 65 km · Uchiko 69 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 Sukumo (32.9333°, 132.7333°, elevation 12 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).