Honjō weather in August

In August, Honjō sees average daytime highs of 30°C and overnight lows near 24°C, with 238 mm of rain across 17.8 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 25% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Honjō's 8th-clearest and 6th-windiest month. For the whole year in context, see Honjō's year-round climate.

Daytime high
30°
1st warmest
Overnight low
24°
12th coldest
Rainfall
238 mm
17.8 wet days
Daylight
13 h 12 min
5:43 AM – 6:54 PM
Cloud cover
65%
8th clearest
Wind
9 km/h
6th windiest
Solar energy
4.85 kWh/m²
Travel score
4.1
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical August day in Honjō reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°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 on par with July and about 3°C warmer than September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13024
23024
33024
43024
53024
63024
73024
83024
93024
103024
113024
123024
133024
143024
153024
163024
173024
183024
193024
203024
213023
223023
233023
243023
252923
262923
272923
282923
292923
302923
312923

How August really feels in Honjō

Once humidity and wind are folded in, August averages 30 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
30
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.

Honjō weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 78710.12.9
Feb12° / 978.110.83.4
Mar15° / 1551211.84.6
Apr20° / 11°1741212.85.9
May23° / 15°20712.713.66.2
Jun25° / 19°41619.814.14.9
Jul29° / 23°26918.613.94.2
Aug30° / 24°23817.813.24.1
Sep27° / 21°27516.512.25.3
Oct23° / 15°15810.511.26.8
Nov18° / 103810.46.1
Dec13° / 786.39.94.1

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 14% of August, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44060
54060
63961
73961
83961
93961
103862
113862
123862
133862
143862
153862
163862
173961
184060
194060
204159
214060
224159
234159
244060
254060
264060
273961
283961
293961
303961
314060

Chance of precipitation in August

Any precipitation

Honjō gets around 238 mm of rain over 17.8 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 58% and peaks near 60% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
160
260
360
460
560
659
759
859
959
1058
1158
1257
1357
1457
1556
1656
1756
1856
1956
2056
2156
2256
2357
2457
2558
2658
2759
2859
2960
3060
3160

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 77% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1048115
2048115
3048016
4048016
5047917
6047917
7047917
8047917
9047917
10047818
11047917
12047917
13057817
14057817
15057916
16067816
17167815
18177715
19177814
20187813
21197812
222107612
232117611
242117710
252127610
26313759
27315739
28316738
29417727
30418717
31420697

Wind in August

Winds average 9 km/h in August.

Across August, daily wind ranges from about 8 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
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 36 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:33 AM to 5:53 AM, and sunset from 7:08 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:337:08
213.65:347:07
313.55:357:07
413.55:357:06
513.55:367:05
613.55:377:04
713.45:377:03
813.45:387:02
913.45:397:01
1013.45:397:00
1113.35:406:59
1213.35:416:58
1313.35:416:57
1413.25:426:56
1513.25:436:55
1613.25:436:54
1713.25:446:53
1813.15:456:52
1913.15:456:51
2013.15:466:50
2113.05:476:49
2213.05:476:47
2313.05:486:46
2412.95:496:45
2512.95:496:44
2612.95:506:43
2712.85:516:41
2812.85:516:40
2912.85:526:39
3012.85:526:38
3112.75:536:36

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.85 kWh/m².

For context, solar energy here swings from a low near 2.71 kWh/m² to a high of 5.02 kWh/m² in May across the year — August's 4.85 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.6Bright
264.6Bright
274.6Bright
284.5Bright
294.5Bright
304.5Bright
314.4Bright
Planning a trip in August

Hazard calendar for Honjō

In seasonPeak

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

Honjō sits in the Pacific typhoon belt; the season peaks July–October.

Honjō's rainy season runs May–September, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Honjō?

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

4.1
Sightseeing
9th-best month of the year
5.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Honjō for sightseeing.

What to pack for Honjō in August

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

In August, Honjō sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 18 days see rain.

light clothesrain gearsun protection

Sea temperature near Honjō in August

The nearest coast averages about 28°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 30 km away) is warmest in August at about 28°C and coldest in February near 19°C.

It's comfortable for a long swim from Apr 14 to Jan 8 — about 8.9 months when the water holds above 20°C.

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan20Cool
Feb19Cool
Mar19Cool
Apr20Refreshing
May22Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct26Warm
Nov24Refreshing
Dec21Refreshing

UV index in Honjō in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August 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 Honjō peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Jan 1UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar7High
Apr8Very high
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Very high
Sep10Very high
Oct7High
Nov5Moderate
Dec3Moderate

Air quality in Honjō 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 Honjō is worst in March — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2025 µg/m³Jul 2214 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar26Moderate
Apr23Moderate
May22Moderate
Jun18Moderate
Jul14Moderate
Aug14Moderate
Sep14Moderate
Oct15Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Honjō?

Honjō sits at 32.0°N, 131.3°E, 20 m above sea level, in Japan. The nearest listed city is Miyazaki, 11 km away.

Topography around Honjō

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

Within 3 km, the terrain around Honjō has only modest variations in elevation — a maximum elevation change of 126 m around an average of 35 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 912 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,714 m.

The land around Honjō is covered by trees (49%) and cropland (29%) within 3 km, trees (62%) within 16 km, and trees (62%) and water (30%) within 80 km.

3 km
126 m
16 km
912 m
80 km
1,714 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Miyazaki 11 km · Saito 13 km · Tsuma 14 km · Shintomi 17 km · Takanabe 23 km · Kawaminami 28 km · Mochibaru 32 km · Kobayashi 33 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 Honjō (31.9833°, 131.3333°, elevation 20 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).