Echigawa weather in August

In August, Echigawa sees average daytime highs of 30°C and overnight lows near 23°C, with 163 mm of rain across 15.6 wet days and about 13.3 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 31°C in the first days to 29°C by the end. The sky is clear or mostly clear about 26% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 48 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Echigawa's 6th-clearest and 11th-windiest month. For the whole year in context, see Echigawa's year-round climate.

Daytime high
30°
1st warmest
Overnight low
23°
12th coldest
Rainfall
163 mm
15.6 wet days
Daylight
13 h 18 min
5:19 AM – 6:39 PM
Cloud cover
63%
6th clearest
Wind
8 km/h
11th windiest
Solar energy
5.15 kWh/m²
Travel score
4.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 31°C in the first days to 29°C by the end.

A typical August day in Echigawa 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 27°C and 33°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143024
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
262923
272923
282922
292922
302922
312922

How August really feels in Echigawa

Once humidity and wind are folded in, August averages 26 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
26
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Echigawa weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7411.25.69.90.7
Feb / 7510.84.910.71.0
Mar11° / 12412.71.711.72.7
Apr17° / 140120.112.95.1
May22° / 13°17012.1013.86.2
Jun25° / 18°21614.9014.35.7
Jul29° / 22°25617.8014.14.4
Aug30° / 23°16315.6013.34.3
Sep26° / 20°21213.9012.25.8
Oct21° / 14°16610.8011.16.4
Nov15° / 868.6010.24.7
Dec / 7210.42.99.72.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 26% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 18% of August, with mostly cloudy or overcast conditions the remaining 56%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24456
34555
44555
54654
64555
74555
84555
94555
104555
114555
124555
134555
144555
154555
164555
174456
184456
194456
204555
214555
224555
234555
244357
254357
264357
274258
284258
294258
304258
314159

Chance of precipitation in August

Any precipitation

Echigawa gets around 163 mm of rain over 15.6 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 50% and peaks near 52% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
152
252
352
452
552
651
751
851
950
1050
1150
1250
1350
1450
1550
1650
1750
1850
1950
2050
2150
2250
2350
2450
2550
2650
2750
2850
2950
3050
3150

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the oppressive band about 65% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
10116749
20116749
301167310
401167310
501167310
601167211
701167211
801167211
901177012
1002176912
1102176912
1202176912
1312176812
1412186712
1512186712
1613196512
1713196512
1813206511
1913216411
2014226310
2114236210
221524619
231525618
241626598
251627597
261729576
271830556
281831555
291932544
301933534
3121034513

Wind in August

Winds average 8 km/h in August.

Across August, 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.

0246810151015202531
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 August

DaylightNight

Daylight runs from about 13 h 48 min at the start of August to 12 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over August. Sunrise moves from 5:08 AM to 5:31 AM, and sunset from 6:55 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.85:086:55
213.85:086:54
313.75:096:53
413.75:106:52
513.75:116:51
613.65:116:50
713.65:126:49
813.65:136:48
913.65:146:47
1013.55:156:46
1113.55:156:45
1213.55:166:44
1313.45:176:43
1413.45:186:42
1513.45:186:41
1613.35:196:39
1713.35:206:38
1813.35:216:37
1913.25:226:36
2013.25:226:34
2113.25:236:33
2213.15:246:32
2313.15:256:31
2413.15:256:29
2513.05:266:28
2613.05:276:27
2713.05:286:25
2812.95:296:24
2912.95:296:22
3012.85:306:21
3112.85:316:20

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.15 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 5.36 kWh/m² in May across the year — August's 5.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
234.9Bright
244.9Bright
254.9Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.6Bright
Planning a trip in August

Hazard calendar for Echigawa

In seasonPeak

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

Echigawa 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 August a good time to visit Echigawa?

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

4.3
Sightseeing
8th-best month of the year
5.9
Beach & pool
1st-best month of the year

August is a reasonable time to visit Echigawa for sightseeing.

What to pack for Echigawa in August

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

In August, Echigawa sees daytime highs around 30°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 Echigawa in August

The nearest coast averages about 27°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 50 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 Echigawa in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Echigawa peaks around July 14 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 highVery highModerateJul 14UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Echigawa in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Echigawa 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 Echigawa?

Echigawa sits at 35.2°N, 136.2°E, 108 m above sea level, in Japan. The nearest listed city is Youkaichi, 6.0 km away.

Topography around Echigawa

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

Within 3 km, the terrain around Echigawa has only modest variations in elevation — a maximum elevation change of 189 m around an average of 109 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 850 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,601 m.

The land around Echigawa is covered by cropland (40%) and artificial surfaces (40%) within 3 km, trees (33%), cropland (28%) and water (21%) within 16 km, and trees (57%) within 80 km.

3 km
189 m
16 km
850 m
80 km
1,601 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Youkaichi 6.0 km · Ōmihachiman 10 km · Hikone 10 km · Yasu 18 km · Maibara 18 km · Hino 19 km · Konan 21 km · Kōka 21 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 Echigawa (35.1667°, 136.2°, elevation 108 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).