Furukawa weather in August

In August, Furukawa sees average daytime highs of 26°C and overnight lows near 18°C, with 179 mm of rain across 18.8 wet days and about 13.4 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 25°C by the end. The sky is clear or mostly clear about 21% of the time in August, and the air most often feels muggy.

Daylight stretches from about 13 h 54 min at the start of August to 12 h 48 min by month's end. Set against the rest of the year, August is Furukawa's 4th-clearest and 12th-windiest month. For the whole year in context, see Furukawa's year-round climate.

Daytime high
26°
1st warmest
Overnight low
18°
12th coldest
Rainfall
179 mm
18.8 wet days
Daylight
13 h 24 min
5:14 AM – 6:37 PM
Cloud cover
66%
4th clearest
Wind
5 km/h
12th windiest
Solar energy
4.93 kWh/m²
Travel score
5.3
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 26°C in the first days to 25°C by the end.

A typical August day in Furukawa reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 29°C. Set against its neighbours, August runs about 1°C warmer than July and about 4°C warmer than September.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12619
22619
32619
42619
52619
62619
72619
82619
92619
102619
112619
122619
132619
142618
152618
162618
172618
182618
192618
202618
212518
222518
232518
242518
252518
262517
272517
282517
292517
302517
312417

How August really feels in Furukawa

Once humidity and wind are folded in, August 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

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

Furukawa weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -7°15521.422.19.80.0
Feb / -6°13317.917.210.60.0
Mar / -3°17217.813.311.70.3
Apr12° / 15815.53.812.92.8
May18° / 16314.80.213.95.0
Jun21° / 13°22017.7014.45.0
Jul25° / 18°27821.1014.25.0
Aug26° / 18°17918.8013.45.3
Sep22° / 14°21616012.25.5
Oct16° / 18214.50.211.14.6
Nov10° / 14115.94.810.11.9
Dec / -4°15920.616.79.60.1

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 17% of August, with mostly cloudy or overcast conditions the remaining 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
34060
44060
54060
63961
73961
83961
93961
103862
113862
123862
133763
143763
153763
163763
173763
183763
193862
203862
213862
223862
233862
243862
253862
263763
273862
283961
293862
303763
313763

Chance of precipitation in August

Any precipitation

Furukawa gets around 179 mm of rain over 18.8 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 61% and peaks near 62% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
162
262
362
461
561
661
761
861
961
1061
1161
1261
1361
1461
1561
1661
1761
1861
1961
2061
2161
2261
2361
2461
2561
2661
2760
2860
2960
3060
3160

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the muggy band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 45% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1044551
2044452
3044353
4044254
5044254
6034156
7034156
8034057
9044056
10044056
11144055
12144055
13144055
14154153
15154153
16164152
17174249
18284348
19294346
202104444
212114542
222124640
232144737
242154835
252164933
262174931
273195029
283205027
293215125
304225123
314225222

Wind in August

Winds average 5 km/h in August, the calmest month.

Across August, daily wind ranges from about 5 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
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 54 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 66 minutes over August. Sunrise moves from 5:01 AM to 5:26 AM, and sunset from 6:53 PM to 6:17 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.95:016:53
213.85:026:52
313.85:036:51
413.85:046:50
513.75:056:49
613.75:056:48
713.75:066:47
813.75:076:46
913.65:086:45
1013.65:096:44
1113.65:106:43
1213.55:106:42
1313.55:116:41
1413.55:126:39
1513.45:136:38
1613.45:146:37
1713.45:156:36
1813.35:156:35
1913.35:166:33
2013.25:176:32
2113.25:186:31
2213.25:196:29
2313.15:196:28
2413.15:206:27
2513.15:216:25
2613.05:226:24
2713.05:236:22
2813.05:246:21
2912.95:246:20
3012.95:256:18
3112.85:266:17

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.93 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 5.58 kWh/m² in May across the year — August's 4.93 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.6Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in August

Is August a good time to visit Furukawa?

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

5.3
Sightseeing
2nd-best month of the year
5.0
Beach & pool
1st-best month of the year

August is a reasonable time to visit Furukawa for sightseeing.

What to pack for Furukawa in August

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

In August, Furukawa sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 19 days see rain.

rain gearlight clothessun protection

Sea temperature near Furukawa 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 66 km away) is warmest in August at about 27°C and coldest in March near 11°C.

It's comfortable for a long swim from Jun 17 to Nov 3 — about 4.6 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar11Bracing
Apr12Bracing
May16Cool
Jun20Cool
Jul24Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Furukawa 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 Furukawa peaks around July 17 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highExtremeVery highModerateJul 17UV 10Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec3Moderate

Air quality in Furukawa 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 Furukawa is worst in April — around 19 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1719 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar18Moderate
Apr19Moderate
May18Moderate
Jun16Moderate
Jul13Moderate
Aug12Good
Sep11Good
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Furukawa?

Furukawa sits at 36.2°N, 137.2°E, 491 m above sea level, in Japan. The nearest listed city is Hida, 2.0 km away.

Topography around Furukawa

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

Within 3 km, the terrain around Furukawa has significant variations in elevation — a maximum elevation change of 552 m around an average of 625 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,179 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,123 m.

The land around Furukawa is covered by trees (67%) within 3 km, trees (90%) within 16 km, and trees (80%) within 80 km.

3 km
552 m
16 km
1,179 m
80 km
3,123 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Hida 2.0 km · Takayama 13 km · Yatsuomachi-higashikumisaka 37 km · Nanto 40 km · Nanto-shi 45 km · Fukumitsu 46 km · Tonami 48 km · Gero 48 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 Furukawa (36.2333°, 137.1833°, elevation 491 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).