Katō weather in July

In July, Katō sees average daytime highs of 30°C and overnight lows near 23°C, with 197 mm of rain across 14.7 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 32°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 18 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Katō's 11th-clearest and 8th-windiest month. For the whole year in context, see Katō's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
197 mm
14.7 wet days
Daylight
14 h 06 min
5:01 AM – 7:10 PM
Cloud cover
73%
11th clearest
Wind
9 km/h
8th windiest
Solar energy
5.09 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 32°C by the end.

A typical July day in Katō 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 26°C and 33°C. Set against its neighbours, July runs about 4°C warmer than June and about 2°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32822
42822
52822
62922
72922
82922
92922
102922
112923
122923
133023
143023
153023
163023
173023
183023
193023
203123
213124
223124
233124
243124
253124
263124
273124
283224
293224
303224
313224

How July really feels in Katō

Once humidity and wind are folded in, July averages 20 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
20
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.

Katō weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 506.51.29.91.6
Feb / 607.61.510.72.0
Mar13° / 10610.70.211.73.5
Apr18° / 11710.6012.95.7
May23° / 14°13810.5013.86.6
Jun26° / 19°16912.9014.35.8
Jul30° / 23°19714.7014.14.4
Aug32° / 24°12111.9013.34.0
Sep28° / 20°19411.9012.25.8
Oct22° / 13°1408.8011.16.9
Nov16° / 716.3010.25.6
Dec11° / 596.50.49.72.9

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 15% of July, with mostly cloudy or overcast conditions the remaining 70%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
22080
32080
42080
52080
62179
72179
82278
92377
102476
112476
122575
132674
142773
152872
162971
173070
183268
193268
203466
213565
223664
233862
243862
254060
264159
274159
284357
294456
304456
314555

Chance of precipitation in July

Any precipitation

Katō gets around 197 mm of rain over 14.7 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 47% and peaks near 55% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
254
354
454
553
653
752
851
951
1050
1149
1248
1348
1447
1546
1645
1745
1844
1944
2043
2143
2243
2343
2443
2542
2642
2742
2841
2941
3041
3141

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 63% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1141734431
2031534461
3031433491
4021232522
5021132532
6021031543
701930573
801830574
901829584
1001729594
1101628605
1201627615
1301626625
1401525636
1501525636
1601524637
1700523657
1800422677
1900421678
2000420688
2100419689
2200418699
23004176910
24004167010
25003157111
26003147112
27003147112
28003137113
29003137113
30003137014
31003137014

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 18 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 30 minutes over July. Sunrise moves from 4:54 AM to 5:12 AM, and sunset from 7:13 PM to 7:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:547:13
214.34:547:13
314.34:547:13
414.34:557:13
514.34:557:13
614.34:567:12
714.34:567:12
814.34:577:12
914.24:577:12
1014.24:587:12
1114.24:587:11
1214.24:597:11
1314.25:007:11
1414.25:007:10
1514.25:017:10
1614.15:017:10
1714.15:027:09
1814.15:037:09
1914.15:037:08
2014.15:047:08
2114.05:057:07
2214.05:057:06
2314.05:067:06
2414.05:077:05
2513.95:087:05
2613.95:087:04
2713.95:097:03
2813.95:107:02
2913.95:117:02
3013.85:117:01
3113.85:127:00

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.09 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.56 kWh/m² in May across the year — July's 5.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.9Bright
114.9Bright
124.9Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Katō

In seasonPeak

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

Katō 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 Katō?

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
3rd-best month of the year

July is a reasonable time to visit Katō for sightseeing.

What to pack for Katō in July

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

In July, Katō sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Katō 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 34 km away) is warmest in August at about 27°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 6 to Nov 12 — about 5.3 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Cool
Dec17Cool

UV index in Katō 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 Katō peaks around July 10 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 10UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug8Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Katō 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 Katō is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Oct 1811 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb16Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun18Moderate
Jul17Moderate
Aug17Moderate
Sep13Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Katō?

Katō sits at 34.9°N, 135.0°E, 125 m above sea level, in Japan. The nearest listed city is Yashiro, 5.0 km away.

Topography around Katō

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

Within 3 km, the terrain around Katō has significant variations in elevation — a maximum elevation change of 338 m around an average of 145 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 682 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,489 m.

The land around Katō is covered by trees (71%) within 3 km, trees (62%) within 16 km, and trees (60%) and water (21%) within 80 km.

3 km
338 m
16 km
682 m
80 km
1,489 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Yashiro 5.0 km · Nishiwaki 8.0 km · Ono 12 km · Miki 14 km · Kasai 16 km · Kajiya 19 km · Sandachō 19 km · Inami 22 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 Katō (34.9242°, 135.0261°, elevation 125 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).