Ōizumi-gakuenchō weather in July

In July, Ōizumi-gakuenchō sees average daytime highs of 29°C and overnight lows near 23°C, with 182 mm of rain across 16.4 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 3rd-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 16% 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 54 min by month's end. Set against the rest of the year, July is Ōizumi-gakuenchō's 11th-clearest and 9th-windiest month. For the whole year in context, see Ōizumi-gakuenchō's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
182 mm
16.4 wet days
Daylight
14 h 12 min
4:41 AM – 6:53 PM
Cloud cover
76%
11th clearest
Wind
8 km/h
9th windiest
Solar energy
4.51 kWh/m²
Travel score
4.6
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 Ōizumi-gakuenchō reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 33°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)
12721
22721
32721
42821
52822
62822
72822
82822
92822
102822
112822
122922
132922
142923
152923
162923
172923
182923
192923
202923
213023
223023
233023
243023
253024
263024
273024
283024
293024
303024
313124

How July really feels in Ōizumi-gakuenchō

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.

Ōizumi-gakuenchō weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°697.52.59.91.9
Feb10° / 658.42.510.62.2
Mar13° / 12013.21.511.73.4
Apr18° / 12312.80.312.95.3
May22° / 14°13913.2013.96.1
Jun25° / 19°17715.4014.45.5
Jul29° / 23°18216.4014.24.6
Aug30° / 24°14215.5013.44.2
Sep26° / 20°20414.9012.25.5
Oct21° / 14°21513.7011.15.9
Nov16° / 9210.2010.15.0
Dec11° / 617.40.49.63.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 74%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
22080
32179
42179
52179
62278
72278
82377
92476
102476
112476
122476
132476
142476
152476
162476
172575
182575
192575
202674
212773
222872
232872
243070
253070
263169
273268
283466
293565
303664
313763

Chance of precipitation in July

Any precipitation

Ōizumi-gakuenchō gets around 182 mm of rain over 16.4 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 52% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
159
259
359
459
558
658
758
857
957
1056
1155
1254
1353
1453
1552
1651
1751
1850
1950
2049
2149
2248
2348
2448
2547
2647
2747
2847
2947
3047
3147

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 90% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
141643362
231541382
331440412
421439423
521338443
621336464
711235474
811134485
911133505
1011132506
1111031526
1211030527
1311029537
1411028538
151927549
1619265410
1719255411
1818245512
1918225712
2017215813
2117205814
2217195815
2317185717
2416175818
2516165819
2616155820
2706145921
2806135922
2905126023
3005116024
3105116024

Wind in July

Winds average 8 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 24 min at the start of July to 13 h 54 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 4:33 AM to 4:52 AM, and sunset from 6:57 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:336:57
214.44:346:57
314.44:346:57
414.44:346:57
514.44:356:57
614.44:356:56
714.34:366:56
814.34:366:56
914.34:376:56
1014.34:376:56
1114.34:386:55
1214.34:396:55
1314.34:396:55
1414.24:406:54
1514.24:416:54
1614.24:416:53
1714.24:426:53
1814.24:426:52
1914.14:436:52
2014.14:446:51
2114.14:456:51
2214.14:456:50
2314.14:466:50
2414.04:476:49
2514.04:476:48
2614.04:486:47
2714.04:496:47
2813.94:506:46
2913.94:506:45
3013.94:516:44
3113.94:526:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.51 kWh/m².

For context, solar energy here swings from a low near 2.34 kWh/m² to a high of 5.03 kWh/m² in May across the year — July's 4.51 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.3Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.4Bright
124.4Bright
134.4Bright
144.4Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.6Bright
204.6Bright
214.6Bright
224.7Bright
234.7Bright
244.7Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.9Bright
314.9Bright
Planning a trip in July

Hazard calendar for Ōizumi-gakuenchō

In seasonPeak

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

Ōizumi-gakuenchō 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 Ōizumi-gakuenchō?

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
5.7
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Ōizumi-gakuenchō for sightseeing.

What to pack for Ōizumi-gakuenchō in July

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

In July, Ōizumi-gakuenchō sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Ōizumi-gakuenchō 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 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Ōizumi-gakuenchō 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 Ōizumi-gakuenchō peaks around July 20 at about 10 (very high) — 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 highModerateJul 20UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr7High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Ōizumi-gakuenchō 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 Ōizumi-gakuenchō is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Ōizumi-gakuenchō?

Ōizumi-gakuenchō sits at 35.8°N, 139.6°E, 46 m above sea level, in Japan. The nearest listed city is Ōizumimachi, 1.0 km away.

Topography around Ōizumi-gakuenchō

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

Within 3 km, the terrain around Ōizumi-gakuenchō has only modest variations in elevation — a maximum elevation change of 48 m around an average of 44 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 162 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,475 m.

The land around Ōizumi-gakuenchō is covered by artificial surfaces (84%) within 3 km, artificial surfaces (81%) within 16 km, and trees (41%) and artificial surfaces (28%) within 80 km.

3 km
48 m
16 km
162 m
80 km
2,475 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Ōizumimachi 1.0 km · Hikarigaoka 4.0 km · Wako 4.0 km · Narimasu 4.0 km · Asaka 5.0 km · Nukui 5.0 km · Sekimachi-minami 5.0 km · Igusa 5.0 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 Ōizumi-gakuenchō (35.7653°, 139.5888°, elevation 46 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).