Kōka weather in July

In July, Kōka sees average daytime highs of 30°C and overnight lows near 23°C, with 214 mm of rain across 17.8 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 31°C by the end. The sky is clear or mostly clear about 15% 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 Kōka's 11th-clearest and 12th-windiest month. For the whole year in context, see Kōka's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
214 mm
17.8 wet days
Daylight
14 h 06 min
4:57 AM – 7:05 PM
Cloud cover
74%
11th clearest
Wind
7 km/h
12th windiest
Solar energy
5.06 kWh/m²
Travel score
4.2
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 Kōka 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 25°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)
12821
22821
32821
42821
52821
62822
72822
82922
92922
102922
112922
122922
132922
142922
152923
163023
173023
183023
193023
203023
213023
223023
233023
243123
253123
263123
273123
283124
293124
303124
313124

How July really feels in Kōka

Once humidity and wind are folded in, July averages 17 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
17
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.

Kōka 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 / 627.52.29.91.1
Feb / 688.52.310.71.5
Mar12° / 11612.10.611.73.1
Apr18° / 13311.4012.95.4
May22° / 13°15611.5013.86.4
Jun26° / 18°20314.8014.35.6
Jul30° / 23°21417.8014.14.2
Aug31° / 23°14815013.34.1
Sep27° / 20°20213.9012.25.7
Oct21° / 13°17710.6011.16.5
Nov16° / 847.4010.25.1
Dec10° / 607.119.72.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% 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 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21981
31981
42080
52179
62179
72278
82278
92377
102476
112476
122476
132575
142674
152773
162773
172872
182971
193070
203169
213169
223268
233466
243466
253664
263664
273763
283961
294060
304060
314258

Chance of precipitation in July

Any precipitation

Kōka gets around 214 mm of rain over 17.8 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 57% and peaks near 63% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
163
263
363
463
563
663
762
862
962
1061
1161
1260
1359
1458
1557
1656
1755
1854
1953
2053
2152
2252
2352
2451
2551
2651
2751
2851
2951
3051
3151

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 60% 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 (%)
141942350
241842370
331641400
421441420
521340440
611240470
711139491
811038501
91937521
100836551
110835561
120734581
130732601
140731611
150730621
160629641
170628642
180627652
190626662
200525682
210525682
220524692
230523693
240422713
250421723
260421714
270320734
280319744
290319735
300218755
310218755

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 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
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
318calm

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 4:49 AM to 5:07 AM, and sunset from 7:08 PM to 6:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:497:08
214.34:497:08
314.34:507:08
414.34:507:08
514.34:517:08
614.34:517:08
714.34:527:08
814.34:527:08
914.24:537:07
1014.24:537:07
1114.24:547:07
1214.24:547:07
1314.24:557:06
1414.24:567:06
1514.24:567:06
1614.14:577:05
1714.14:577:05
1814.14:587:04
1914.14:597:04
2014.14:597:03
2114.05:007:03
2214.05:017:02
2314.05:027:01
2414.05:027:01
2514.05:037:00
2613.95:046:59
2713.95:046:59
2813.95:056:58
2913.95:066:57
3013.85:076:56
3113.85:076:56

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.06 kWh/m².

For context, solar energy here swings from a low near 2.32 kWh/m² to a high of 5.48 kWh/m² in May across the year — July's 5.06 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.9Bright
124.9Bright
134.9Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.2Bright
205.2Bright
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 Kōka

In seasonPeak

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

Kōka 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 Kōka?

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

4.2
Sightseeing
7th-best month of the year
5.5
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Kōka for sightseeing.

What to pack for Kōka in July

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

In July, Kōka sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Kōka in July

The nearest coast averages about 26°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 44 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 May 31 to Nov 9 — about 5.4 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
Jun22Refreshing
Jul26Warm
Aug27Warm
Sep26Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Kōka 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 Kōka peaks around June 23 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 23UV 10Dec 23UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Kōka 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 Kōka is worst in April — around 26 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1125 µg/m³Aug 1817 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb20Moderate
Mar25Moderate
Apr26Moderate
May25Moderate
Jun21Moderate
Jul17Moderate
Aug17Moderate
Sep17Moderate
Oct18Moderate
Nov18Moderate
Dec16Moderate
Location & terrain

Where is Kōka?

Kōka sits at 35.0°N, 136.2°E, 170 m above sea level, in Japan. The nearest listed city is Minakuchichō-matoba, 2.0 km away.

Topography around Kōka

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

Within 3 km, the terrain around Kōka has only modest variations in elevation — a maximum elevation change of 185 m around an average of 177 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 782 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,422 m.

The land around Kōka is covered by trees (39%), artificial surfaces (34%) and cropland (22%) within 3 km, trees (61%) within 16 km, and trees (58%) within 80 km.

3 km
185 m
16 km
782 m
80 km
1,422 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Minakuchichō-matoba 2.0 km · Konan 6.0 km · Hino 9.0 km · Rittō 15 km · Youkaichi 16 km · Ōmihachiman 17 km · Kusatsu 18 km · Yasu 18 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 Kōka (34.9802°, 136.1575°, elevation 170 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).