Shirahama weather in July

In July, Shirahama sees average daytime highs of 27°C and overnight lows near 24°C, with 246 mm of rain across 14.4 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 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 22% of the time in July, and the air most often feels oppressive.

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

Daytime high
27°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
246 mm
14.4 wet days
Daylight
14 hours
5:03 AM – 7:05 PM
Cloud cover
69%
11th clearest
Wind
14 km/h
12th windiest
Solar energy
5.42 kWh/m²
Travel score
5.7
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 28°C by the end.

A typical July day in Shirahama reaches about 27°C in the afternoon and slips back to 24°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C cooler than August.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12523
22523
32623
42623
52623
62623
72624
82624
92624
102624
112624
122724
132724
142724
152724
162724
172725
182725
192725
202725
212725
222725
232825
242825
252825
262825
272825
282825
292825
302825
312825

How July really feels in Shirahama

Once humidity and wind are folded in, July averages 1 day 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
1
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.

Shirahama 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 daysSnow daysDaylight (hours)Travel score
Jan10° / 9511.60.5102.3
Feb11° / 10411.10.510.72.4
Mar13° / 15112.3011.73.7
Apr17° / 13°15811.1012.85.4
May21° / 17°17711013.76.2
Jun24° / 21°29315.4014.25.6
Jul27° / 24°24614.40145.7
Aug28° / 25°14613.3013.35.6
Sep26° / 23°21513.3012.26.1
Oct22° / 18°21711.2011.26.6
Nov17° / 14°1278.8010.35.8
Dec13° / 9710.10.19.83.6

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 13% of July, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22278
32278
42377
52377
62476
72674
82674
92773
102872
112971
122971
133070
143169
153268
163367
173466
183664
193664
203862
213961
224060
234258
244258
254456
264654
274753
284951
295050
305050
315248

Chance of precipitation in July

Any precipitation

Shirahama gets around 246 mm of rain over 14.4 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 46% and peaks near 61% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
161
260
359
458
557
656
755
854
953
1052
1150
1249
1347
1446
1544
1643
1742
1841
1940
2040
2139
2239
2339
2438
2538
2638
2738
2839
2939
3039
3139

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 53% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11630549
205285611
305265712
404245814
504225816
603215917
703195919
803185821
902175823
1002165725
1102155627
1202145628
1301135630
1401125631
1501115632
1601115434
1701105435
1801105237
190195238
200185239
210185041
220175042
230174943
240164944
250164845
260154846
270154747
280144748
290144649
300134650
310134650

Wind in July

Winds average 14 km/h in July, the calmest month.

Across July, daily wind ranges from about 14 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 12 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 30 minutes over July. Sunrise moves from 4:56 AM to 5:13 AM, and sunset from 7:08 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.24:567:08
214.24:567:08
314.24:567:08
414.24:577:08
514.24:577:08
614.24:587:08
714.24:587:08
814.14:597:08
914.14:597:07
1014.15:007:07
1114.15:007:07
1214.15:017:07
1314.15:017:06
1414.15:027:06
1514.15:037:06
1614.05:037:05
1714.05:047:05
1814.05:047:04
1914.05:057:04
2014.05:067:03
2113.95:067:03
2213.95:077:02
2313.95:087:02
2413.95:087:01
2513.95:097:01
2613.85:107:00
2713.85:106:59
2813.85:116:58
2913.85:126:58
3013.75:136:57
3113.75:136:56

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.42 kWh/m².

For context, solar energy here swings from a low near 2.44 kWh/m² to a high of 5.6 kWh/m² in May across the year — July's 5.42 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
45.0Bright
55.0Bright
65.0Bright
75.1Bright
85.1Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.4Bright
145.4Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in July

Hazard calendar for Shirahama

In seasonPeak

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

Shirahama 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 July a good time to visit Shirahama?

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

5.7
Sightseeing
5th-best month of the year
5.8
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Shirahama for sightseeing.

What to pack for Shirahama in July

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

In July, Shirahama sees daytime highs around 27°C and nights near 24°C. Pack rain gear. Worth having: light clothes and sun protection. About 14 days see rain.

rain gearlight clothessun protection

Sea temperature near Shirahama 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 17°C.

It's comfortable for a long swim from May 4 to Dec 22 — about 7.7 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan18Cool
Feb17Cool
Mar18Cool
Apr19Cool
May21Refreshing
Jun23Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec20Refreshing

UV index in Shirahama 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 Shirahama peaks around July 11 at about 11 (extreme) — 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 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJul 11UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr7Very high
May9Very high
Jun10Extreme
Jul11Extreme
Aug9Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Shirahama 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 Shirahama is worst in April — around 19 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1319 µg/m³Dec 1310 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar19Moderate
Apr19Moderate
May17Moderate
Jun14Moderate
Jul10Good
Aug10Good
Sep10Good
Oct10Good
Nov11Good
Dec10Good
Location & terrain

Where is Shirahama?

Shirahama sits at 33.7°N, 135.3°E, 13 m above sea level, in Japan. The nearest listed city is Tanabe, 6.0 km away.

Topography around Shirahama

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

Within 3 km, the terrain around Shirahama has only modest variations in elevation — a maximum elevation change of 148 m around an average of 22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 789 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,877 m.

The land around Shirahama is covered by water (57%) and trees (26%) within 3 km, water (53%) and trees (41%) within 16 km, and water (54%) and trees (43%) within 80 km.

3 km
148 m
16 km
789 m
80 km
1,877 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Tanabe 6.0 km · Asso 6.0 km · Gobō 28 km · Itogawa 39 km · Kushimoto 46 km · Arida 49 km · Kainan 54 km · Shingū 59 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 Shirahama (33.6833°, 135.35°, elevation 13 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).