Hasuda weather in August

In August, Hasuda sees average daytime highs of 31°C and overnight lows near 24°C, with 118 mm of rain across 12.3 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 21% 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 Hasuda's 8th-clearest and 10th-windiest month. For the whole year in context, see Hasuda's year-round climate.

Daytime high
31°
1st warmest
Overnight low
24°
12th coldest
Rainfall
118 mm
12.3 wet days
Daylight
13 h 24 min
5:04 AM – 6:27 PM
Cloud cover
67%
8th clearest
Wind
9 km/h
10th windiest
Solar energy
4.55 kWh/m²
Travel score
4.0
out of 10

Hasuda is city in Saitama prefecture, Japan.

Density
2,256/km²
people per km²
Founded
1972

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical August day in Hasuda reaches about 31°C in the afternoon and slips back to 24°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 35°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33225
43225
53225
63225
73225
83225
93225
103225
113225
123225
133225
143225
153224
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273024
283024
293023
303023
313023

How August really feels in Hasuda

Once humidity and wind are folded in, August averages 31 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
31
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.

Hasuda 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 / 576.11.59.82.2
Feb10° / 546.81.610.62.5
Mar14° / 9910.80.811.73.9
Apr19° / 10511.10.112.95.8
May23° / 15°12812.2013.96.4
Jun26° / 19°15214.1014.45.6
Jul30° / 23°15914.7014.24.4
Aug31° / 24°11812.3013.44.0
Sep27° / 21°17213.7012.25.5
Oct22° / 14°19012.6011.16.2
Nov16° / 819.2010.15.4
Dec12° / 526.50.29.63.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 16% of August, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23862
33862
43961
53862
63862
73862
83961
93763
103763
113763
123664
133664
143664
153763
163664
173565
183565
193565
203664
213664
223664
233664
243664
253664
263763
273664
283664
293763
303763
313763

Chance of precipitation in August

Any precipitation

Hasuda gets around 118 mm of rain over 12.3 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 40% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
136
236
336
436
537
637
737
838
938
1039
1139
1240
1340
1441
1541
1641
1741
1842
1942
2042
2142
2242
2342
2442
2542
2642
2742
2842
2942
3043
3143

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 51% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
106124934
206124934
306114934
406124934
506124933
606124933
706125033
806125032
906125032
1006125131
1116125130
1216125229
1316135228
1416135228
1516135327
1616145326
1716145425
1826155324
1926165224
2027165223
2127175222
2227195121
2327205120
2427215119
2527225217
2627235216
2718255115
2818265114
2918275113
3019284913
3119304812

Wind in August

Winds average 9 km/h in August.

Across August, 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 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 4:52 AM to 5:16 AM, and sunset from 6:43 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:526:43
213.84:536:42
313.84:546:41
413.84:556:40
513.74:556:39
613.74:566:38
713.74:576:37
813.64:586:36
913.64:596:35
1013.64:596:34
1113.55:006:33
1213.55:016:32
1313.55:026:30
1413.45:036:29
1513.45:036:28
1613.45:046:27
1713.35:056:26
1813.35:066:24
1913.35:076:23
2013.25:076:22
2113.25:086:20
2213.25:096:19
2313.15:106:18
2413.15:116:16
2513.15:126:15
2613.05:126:14
2713.05:136:12
2812.95:146:11
2912.95:156:09
3012.95:166:08
3112.85:166:07

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.55 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.04 kWh/m² in May across the year — August's 4.55 kWh/m² sits near the top of that range.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.6Bright
164.5Bright
174.5Bright
184.5Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in August

Is August a good time to visit Hasuda?

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

4.0
Sightseeing
8th-best month of the year
6.1
Beach & pool
1st-best month of the year

August is a reasonable time to visit Hasuda for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Hasuda in August

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

In August, Hasuda sees daytime highs around 31°C and nights near 24°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.

light clothesrain gearsun protection

Sea temperature near Hasuda in August

The nearest coast averages about 26°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 44 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 Hasuda 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 Hasuda 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 Hasuda 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 Hasuda 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 Hasuda?

Hasuda sits at 36.0°N, 139.6°E, 13 m above sea level, in Japan. The nearest listed city is Ageo, 3.0 km away.

Topography around Hasuda

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

Within 3 km, the terrain around Hasuda has only modest variations in elevation — a maximum elevation change of 27 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 48 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,279 m.

The land around Hasuda is covered by artificial surfaces (65%) within 3 km, artificial surfaces (56%) and cropland (29%) within 16 km, and trees (43%) and artificial surfaces (29%) within 80 km.

3 km
27 m
16 km
48 m
80 km
2,279 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Ageo 3.0 km · Shinden 4.0 km · Iwatsuki 4.0 km · Shiraoka 5.0 km · Saitama 7.0 km · Sashiōgi 9.0 km · Okegawa 9.0 km · Kasukabe 9.0 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 Hasuda (35.9711°, 139.6491°, elevation 13 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).