Ageo weather in July

In July, Ageo sees average daytime highs of 30°C and overnight lows near 23°C, with 170 mm of rain across 14.7 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 28°C in the first days to 31°C by the end. The sky is clear or mostly clear about 14% 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 Ageo's 11th-clearest and 12th-windiest month. For the whole year in context, see Ageo's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
170 mm
14.7 wet days
Daylight
14 h 12 min
4:41 AM – 6:54 PM
Cloud cover
76%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
4.38 kWh/m²
Travel score
4.4
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 31°C by the end.

A typical July day in Ageo reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°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°40°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32822
42822
52822
62822
72922
82922
92922
102922
112923
122923
132923
142923
153023
163023
173023
183023
193023
203023
213024
223024
233124
243124
253124
263124
273124
283124
293124
303124
313124

How July really feels in Ageo

Once humidity and wind are folded in, July averages 18 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
18
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.

Ageo 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 / 5761.89.82.1
Feb10° / 536.4210.62.5
Mar14° / 9711.2111.73.8
Apr19° / 10610.70.212.95.8
May23° / 15°12712.2013.96.4
Jun26° / 19°16214.2014.45.6
Jul30° / 23°17014.7014.24.4
Aug31° / 24°12812.3013.44.1
Sep27° / 21°18614.1012.25.5
Oct21° / 14°19612.4011.16.2
Nov16° / 768.6010.15.4
Dec11° / 506.50.29.63.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% 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 (%)
12080
22179
32179
42179
52278
62377
72377
82377
92377
102377
112377
122377
132377
142476
152476
162476
172575
182575
192575
202575
212674
222773
232872
242971
253070
263268
273367
283466
293466
303763
313763

Chance of precipitation in July

Any precipitation

Ageo gets around 170 mm of rain over 14.7 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 54% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
153
253
353
453
554
654
753
853
953
1052
1151
1251
1350
1449
1548
1647
1746
1845
1944
2044
2143
2242
2341
2440
2539
2638
2737
2837
2936
3036
3136

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 48% of days. Sticky, muggy-or-worse air turns up on roughly 89% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
141741362
231739382
331638403
431537423
521536434
621435454
711334465
811333476
911232486
1011232497
1111131498
1211130509
13111295010
14110295011
15110285012
1619275013
1719265014
1808255215
1908245117
2007235218
2107225219
2207215121
2307205122
2406195223
2506185125
2606165226
2706155227
2806145228
2905135230
3005125330
3105115331

Wind in July

Winds average 7 km/h in July, the calmest month.

Across July, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

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 4:32 AM to 4:52 AM, and sunset from 6:57 PM to 6:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:326:57
214.44:336:57
314.44:336:57
414.44:346:57
514.44:346:57
614.44:356:57
714.44:356:57
814.34:366:56
914.34:366:56
1014.34:376:56
1114.34:376:56
1214.34:386:55
1314.34:396:55
1414.34:396:55
1514.24:406:54
1614.24:416:54
1714.24:416:53
1814.24:426:53
1914.24:436:52
2014.14:436:52
2114.14:446:51
2214.14:456:51
2314.14:456:50
2414.14:466:49
2514.04:476:49
2614.04:486:48
2714.04:486:47
2814.04:496:46
2913.94:506:45
3013.94:516:45
3113.94:526:44

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.38 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.05 kWh/m² in May across the year — July's 4.38 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.5Bright
214.5Bright
224.5Bright
234.6Bright
244.6Bright
254.6Bright
264.7Bright
274.7Bright
284.7Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Is July a good time to visit Ageo?

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

4.4
Sightseeing
7th-best month of the year
5.9
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Ageo for sightseeing.

What to pack for Ageo in July

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

In July, Ageo sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 15 days see rain.

light clothesrain gear

Sea temperature near Ageo 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 45 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 Ageo 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 Ageo peaks around July 16 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 16UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Ageo 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 Ageo 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 Ageo?

Ageo sits at 36.0°N, 139.6°E, 17 m above sea level, in Japan. The nearest listed city is Hasuda, 3.0 km away.

Topography around Ageo

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

Within 3 km, the terrain around Ageo has only modest variations in elevation — a maximum elevation change of 32 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 47 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,475 m.

The land around Ageo is covered by artificial surfaces (76%) within 3 km, artificial surfaces (56%) and cropland (28%) within 16 km, and trees (44%) and artificial surfaces (29%) within 80 km.

3 km
32 m
16 km
47 m
80 km
2,475 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Hasuda 3.0 km · Shinden 3.0 km · Okegawa 6.0 km · Shiraoka 7.0 km · Sashiōgi 7.0 km · Iwatsuki 7.0 km · Saitama 8.0 km · Kitamoto 10 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 Ageo (35.9714°, 139.6138°, elevation 17 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. 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).