Ōami weather in July

In July, Ōami sees average daytime highs of 28°C and overnight lows near 23°C, with 135 mm of rain across 12.6 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 27°C in the first days to 29°C by the end. The sky is clear or mostly clear about 19% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Ōami's 11th-clearest and 5th-windiest month. For the whole year in context, see Ōami's year-round climate.

Daytime high
28°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
135 mm
12.6 wet days
Daylight
14 h 12 min
4:39 AM – 6:50 PM
Cloud cover
73%
11th clearest
Wind
13 km/h
5th windiest
Solar energy
5.15 kWh/m²
Travel score
5.4
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 29°C by the end.

A typical July day in Ōami reaches about 28°C in the afternoon and slips back to 23°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 24°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)
12622
22722
32722
42722
52722
62722
72722
82722
92723
102823
112823
122823
132823
142823
152823
162823
172823
182823
192824
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
303024
313025

How July really feels in Ōami

Once humidity and wind are folded in, July averages 9 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
9
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.

Ōami weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 838.10.69.92.2
Feb10° / 788.80.810.72.3
Mar13° / 13513.10.411.73.3
Apr17° / 11°11512.5012.95.1
May21° / 16°12711.2013.86.2
Jun24° / 20°16613.2014.45.9
Jul28° / 23°13512.6014.25.4
Aug30° / 25°10211.3013.35.0
Sep26° / 22°17514.3012.25.7
Oct21° / 17°21913.6011.16.0
Nov17° / 12°11211010.15.2
Dec12° / 758.509.63.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12179
22278
32377
42377
52476
62476
72575
82575
92476
102575
112674
122674
132674
142674
152674
162674
172773
182773
192773
202872
212872
222872
233169
243169
253367
263367
273664
283664
293862
303961
313961

Chance of precipitation in July

Any precipitation

Ōami gets around 135 mm of rain over 12.6 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 40% and peaks near 48% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
148
248
347
447
547
646
746
845
944
1043
1142
1241
1340
1439
1539
1638
1737
1837
1937
2036
2136
2236
2336
2435
2535
2635
2734
2834
2934
3033
3133

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
131341422
221239442
321137463
421136483
511034514
611033524
71931545
81930546
91829566
101827577
111826578
120825598
130824599
1408235910
1508225911
1607216012
1707206013
1807205815
1906195916
2006185818
2106175819
2205175721
2305165623
2405155624
2505155426
2604145329
2704135231
2804125133
2904125034
3004114936
3103104937

Wind in July

Winds average 13 km/h in July.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 24 min at the start of July to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:31 AM to 4:50 AM, and sunset from 6:53 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:316:53
214.44:316:53
314.44:326:53
414.34:326:53
514.34:336:53
614.34:336:53
714.34:346:53
814.34:346:52
914.34:356:52
1014.34:356:52
1114.34:366:52
1214.24:366:51
1314.24:376:51
1414.24:386:51
1514.24:386:50
1614.24:396:50
1714.24:406:49
1814.14:406:49
1914.14:416:48
2014.14:426:48
2114.14:426:47
2214.14:436:47
2314.04:446:46
2414.04:446:45
2514.04:456:45
2614.04:466:44
2713.94:476:43
2813.94:476:42
2913.94:486:42
3013.94:496:41
3113.84:506:40

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.15 kWh/m².

For context, solar energy here swings from a low near 2.28 kWh/m² to a high of 5.35 kWh/m² in May across the year — July's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Ōami

In seasonPeak

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

Ōami 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 Ōami?

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

5.4
Sightseeing
5th-best month of the year
6.2
Beach & pool
2nd-best month of the year

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

What to pack for Ōami in July

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

In July, Ōami sees daytime highs around 28°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

Sea temperature near Ōami in July

The nearest coast averages about 23°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 30 km away) is warmest in August at about 25°C and coldest in February near 15°C.

It's comfortable for a long swim from Jun 5 to Nov 22 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Bracing
Mar15Cool
Apr16Cool
May19Cool
Jun21Refreshing
Jul23Refreshing
Aug25Warm
Sep25Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Ōami in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ōami peaks around August 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateAug 12UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Ōami 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 Ōami is worst in April — around 22 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (September, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateApr 1322 µg/m³Sep 911 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul12Good
Aug11Good
Sep11Good
Oct14Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Ōami?

Ōami sits at 35.5°N, 140.3°E, 8 m above sea level, in Japan. The nearest listed city is Ōamishirasato, 3.0 km away.

Topography around Ōami

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

Within 3 km, the terrain around Ōami has only modest variations in elevation — a maximum elevation change of 108 m around an average of 19 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, large variations in elevation — a maximum elevation change of 755 m.

The land around Ōami is covered by cropland (38%), trees (35%) and artificial surfaces (23%) within 3 km, trees (41%) and cropland (24%) within 16 km, and water (43%), trees (22%) and artificial surfaces (21%) within 80 km.

3 km
108 m
16 km
186 m
80 km
755 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Ōamishirasato 3.0 km · Tōgane 6.0 km · Mobara 10 km · Narutō 13 km · Yachimata 15 km · Sanmu 15 km · Yotsukaidō 20 km · Chiba 20 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 Ōami (35.5167°, 140.3167°, elevation 8 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).