Sanyōonoda weather in July

In July, Sanyōonoda sees average daytime highs of 28°C and overnight lows near 24°C, with 256 mm of rain across 14.5 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 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 Sanyōonoda's 11th-clearest and 11th-windiest month. For the whole year in context, see Sanyōonoda's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
24°
11th coldest
Rainfall
256 mm
14.5 wet days
Daylight
14 h 06 min
5:19 AM – 7:23 PM
Cloud cover
70%
11th clearest
Wind
11 km/h
11th windiest
Solar energy
5.01 kWh/m²
Travel score
5.1
out of 10

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 Sanyōonoda reaches about 28°C in the afternoon and slips back to 24°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°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)
12622
22623
32723
42723
52723
62723
72723
82723
92723
102824
112824
122824
132824
142824
152824
162824
172924
182924
192925
202925
212925
222925
232925
242925
253025
263025
273025
283025
293025
303025
313026

How July really feels in Sanyōonoda

Once humidity and wind are folded in, July averages 14 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
14
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.

Sanyōonoda 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
Jan / 7310.81.3101.8
Feb10° / 8110.41.110.72.1
Mar13° / 13311.50.211.73.4
Apr17° / 12°14710.7012.85.3
May21° / 16°16610.2013.76.5
Jun25° / 20°26914.1014.25.9
Jul28° / 24°25614.50145.1
Aug30° / 25°14111.9013.34.9
Sep27° / 22°16211.4012.26.2
Oct22° / 17°1007.8011.17.1
Nov17° / 12°868.4010.25.5
Dec12° / 74110.39.82.9

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 (%)
11981
21981
32080
42080
52080
62278
72377
82476
92575
102674
112872
122872
132971
143169
153268
163466
173466
183664
193862
203961
214159
224159
234456
244555
254654
264753
275050
285050
295149
305248
315248

Chance of precipitation in July

Any precipitation

Sanyōonoda gets around 256 mm of rain over 14.5 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
261
361
460
560
659
758
857
955
1054
1153
1251
1350
1448
1546
1645
1744
1842
1941
2040
2139
2238
2337
2436
2536
2635
2735
2835
2934
3034
3134

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 56% 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 (%)
11637533
21635544
31533574
40432595
50430606
60329617
70327619
803266110
902256211
1002236213
1102226214
1202206216
1302196118
1402176120
1502166022
1602155924
1702145826
1802135728
1901125730
2001115632
2101105534
220195436
230185338
240185140
250175141
260165043
270164944
280154945
290154846
300154847
310144848

Wind in July

Winds average 11 km/h in July.

Across July, daily wind ranges from about 11 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
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:11 AM to 5:29 AM, and sunset from 7:26 PM to 7:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:117:26
214.25:127:26
314.25:127:26
414.25:137:26
514.25:137:26
614.25:147:26
714.25:147:25
814.25:157:25
914.25:157:25
1014.25:167:25
1114.15:167:25
1214.15:177:24
1314.15:177:24
1414.15:187:24
1514.15:187:23
1614.15:197:23
1714.05:207:22
1814.05:207:22
1914.05:217:21
2014.05:227:21
2114.05:227:20
2213.95:237:20
2313.95:247:19
2413.95:247:19
2513.95:257:18
2613.95:267:17
2713.85:267:17
2813.85:277:16
2913.85:287:15
3013.85:297:14
3113.75:297:14

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.01 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.52 kWh/m² in May across the year — July's 5.01 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.4Bright
44.4Bright
54.5Bright
64.5Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.9Bright
144.9Bright
155.0Bright
165.0Bright
175.1Bright
185.2Bright
195.2Bright
205.2Bright
215.3Bright
225.3Bright
235.3Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Sanyōonoda

In seasonPeak

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

Sanyōonoda 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 Sanyōonoda?

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

5.1
Sightseeing
7th-best month of the year
6.0
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Sanyōonoda for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Sanyōonoda in July

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

In July, Sanyōonoda sees daytime highs around 28°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Sanyōonoda in July

The nearest coast averages about 25°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in August at about 27°C and coldest in February near 12°C.

It's comfortable for a long swim from Jun 6 to Nov 10 — about 5.2 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb12Bracing
Mar12Bracing
Apr14Bracing
May17Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov19Cool
Dec16Cool

UV index in Sanyōonoda in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks 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 Sanyōonoda peaks around June 20 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 20UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr8Very high
May8Very high
Jun10Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Sanyōonoda 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 Sanyōonoda is worst in March — around 27 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2026 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar27Moderate
Apr24Moderate
May21Moderate
Jun18Moderate
Jul16Moderate
Aug19Moderate
Sep13Moderate
Oct12Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Sanyōonoda?

Sanyōonoda sits at 34.0°N, 131.2°E, 33 m above sea level, in Japan. The nearest listed city is Onoda, 4.0 km away.

Topography around Sanyōonoda

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

Within 3 km, the terrain around Sanyōonoda has only modest variations in elevation — a maximum elevation change of 147 m around an average of 30 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 475 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,205 m.

The land around Sanyōonoda is covered by trees (55%) and artificial surfaces (20%) within 3 km, trees (51%) and water (30%) within 16 km, and water (49%) and trees (42%) within 80 km.

3 km
147 m
16 km
475 m
80 km
1,205 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Onoda 4.0 km · Ube 13 km · Mine 18 km · Shimonoseki 22 km · Ogōri-shimogō 23 km · Kanda 32 km · Yamaguchi 33 km · Kitakyushu 35 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 Sanyōonoda (34.0325°, 131.1603°, elevation 33 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).