Yachi weather in July

In July, Yachi sees average daytime highs of 26°C and overnight lows near 19°C, with 193 mm of rain across 17.1 wet days and about 14.4 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 11% of the time in July, and the air most often feels muggy.

Daylight stretches from about 14 h 36 min at the start of July to 14 hours by month's end. Set against the rest of the year, July is Yachi's 12th-clearest and 12th-windiest month. For the whole year in context, see Yachi's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
19°
11th coldest
Rainfall
193 mm
17.1 wet days
Daylight
14 h 24 min
4:31 AM – 6:57 PM
Cloud cover
78%
12th clearest
Wind
6 km/h
12th windiest
Solar energy
4.24 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 24°C in the first days to 27°C by the end.

A typical July day in Yachi reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 30°C. Set against its neighbours, July runs about 3°C warmer than June and about 2°C cooler than August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32417
42418
52418
62418
72518
82518
92518
102518
112518
122519
132519
142519
152519
162619
172619
182619
192619
202619
212620
222620
232720
242720
252720
262720
272720
282720
292720
302820
312820

How July really feels in Yachi

Once humidity and wind are folded in, July averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Yachi 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 / -4°13522.623.99.60.0
Feb / -4°9618.618.710.50.0
Mar / -1°11417.712.611.70.5
Apr13° / 9813.72.6133.3
May19° / 10°9912.3014.15.6
Jun22° / 15°12012.5014.66.0
Jul26° / 19°19317.1014.45.4
Aug27° / 20°15115.1013.55.6
Sep23° / 16°12813.3012.35.9
Oct17° / 12513.60115.0
Nov11° / 10916.949.92.2
Dec / -2°13621.4179.40.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31981
42080
51981
61981
71981
81981
91882
101882
111882
121882
131981
141981
152080
162080
172179
182179
192377
202377
212476
222575
232674
242773
252872
263070
273070
283169
293268
303367
313466

Chance of precipitation in July

Any precipitation

Yachi gets around 193 mm of rain over 17.1 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 55% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
155
256
357
458
558
659
760
860
960
1060
1160
1260
1359
1458
1558
1657
1756
1855
1955
2054
2153
2252
2351
2450
2549
2648
2747
2847
2946
3046
3146

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the muggy band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 61% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
142141312
232041333
331940354
421839364
521739375
611638386
711637397
811537408
901436419
10013354210
11013344311
12012334312
13011324413
14011314414
15010294515
1609284517
1709274618
1808264620
1907244721
2007234723
2106224725
2206214726
2306194628
2405184531
2505174433
2605164335
2705154237
2805144140
2904134042
3004133943
3104133845

Wind in July

Winds average 6 km/h in July, the calmest month.

Across July, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 36 min at the start of July to 14 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:23 AM to 4:43 AM, and sunset from 7:02 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.64:237:02
214.64:237:02
314.64:247:01
414.64:247:01
514.64:257:01
614.64:257:01
714.64:267:01
814.64:267:00
914.64:277:00
1014.54:277:00
1114.54:287:00
1214.54:296:59
1314.54:296:59
1414.54:306:58
1514.54:316:58
1614.44:316:57
1714.44:326:57
1814.44:336:56
1914.44:346:56
2014.34:346:55
2114.34:356:54
2214.34:366:54
2314.34:376:53
2414.24:376:52
2514.24:386:52
2614.24:396:51
2714.24:406:50
2814.14:416:49
2914.14:426:48
3014.14:436:47
3114.04:436:46

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.24 kWh/m².

For context, solar energy here swings from a low near 1.76 kWh/m² to a high of 5.26 kWh/m² in May across the year — July's 4.24 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.1Bright
144.1Bright
154.1Bright
164.1Bright
174.2Bright
184.2Bright
194.2Bright
204.3Bright
214.3Bright
224.3Bright
234.4Bright
244.4Bright
254.5Bright
264.5Bright
274.5Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in July

Hazard calendar for Yachi

In seasonPeak

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

Yachi 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 Yachi?

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
5.1
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Yachi for sightseeing.

What to pack for Yachi in July

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

In July, Yachi sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.

rain gearlight clothes

Sea temperature near Yachi 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 64 km away) is warmest in August at about 26°C and coldest in March near 9°C.

It's comfortable for a long swim from Jun 24 to Oct 27 — about 4.1 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan12Bracing
Feb10Bracing
Mar9Bracing
Apr10Bracing
May14Bracing
Jun19Cool
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct21Refreshing
Nov18Cool
Dec15Bracing

UV index in Yachi in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yachi peaks around August 15 at about 9 (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 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateAug 15UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Yachi 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 Yachi is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1622 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar21Moderate
Apr22Moderate
May21Moderate
Jun16Moderate
Jul14Moderate
Aug12Moderate
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Yachi?

Yachi sits at 38.4°N, 140.3°E, 89 m above sea level, in Japan. The nearest listed city is Sagae, 6.0 km away.

Topography around Yachi

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

Within 3 km, the terrain around Yachi has only modest variations in elevation — a maximum elevation change of 243 m around an average of 102 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,393 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,209 m.

The land around Yachi is covered by cropland (51%), trees (21%) and artificial surfaces (21%) within 3 km, trees (63%) and cropland (22%) within 16 km, and trees (73%) within 80 km.

3 km
243 m
16 km
1,393 m
80 km
2,209 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Sagae 6.0 km · Higashine 8.0 km · Tendō 9.0 km · Murayama 11 km · Yamagata 22 km · Obanazawa 22 km · Kaminoyama 30 km · Shinjō 37 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 Yachi (38.4219°, 140.3083°, elevation 89 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).