Sunagawa weather in July

In July, Sunagawa sees average daytime highs of 23°C and overnight lows near 16°C, with 132 mm of rain across 13.5 wet days and about 14.9 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 22°C in the first days to 24°C by the end. The sky is clear or mostly clear about 14% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 h 12 min at the start of July to 14 h 30 min by month's end. Set against the rest of the year, July is Sunagawa's 12th-clearest and 11th-windiest month. For the whole year in context, see Sunagawa's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
16°
11th coldest
Rainfall
132 mm
13.5 wet days
Daylight
14 h 54 min
4:10 AM – 7:06 PM
Cloud cover
74%
12th clearest
Wind
7 km/h
11th windiest
Solar energy
4.7 kWh/m²
Travel score
6.1
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 22°C in the first days to 24°C by the end.

A typical July day in Sunagawa reaches about 23°C in the afternoon and slips back to 16°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°C. Set against its neighbours, July runs about 4°C warmer than June and about 1°C cooler than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42215
52215
62215
72215
82215
92215
102315
112315
122316
132316
142316
152316
162316
172316
182316
192317
202417
212417
222417
232417
242417
252417
262417
272418
282418
292418
302418
312518

How July really feels in Sunagawa

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.

Sunagawa weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -11°6115.820.59.10.0
Feb-3° / -10°5213.417.310.20.0
Mar / -6°6814.314.911.60.0
Apr10° / 7313.45.413.21.9
May16° / 8912.40.314.54.6
Jun20° / 12°7911.1015.25.9
Jul23° / 16°13213.5014.96.1
Aug24° / 17°17014.4013.86.0
Sep20° / 12°14014.5012.35.5
Oct14° / 11115.40.910.83.5
Nov / -1°10518.2129.50.6
Dec-1° / -8°8317.720.88.80.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in July, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 73%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13268
23169
33070
43070
52971
62872
72971
82773
92773
102773
112674
122674
132674
142674
152575
162575
172575
182575
192674
202674
212773
222674
232674
242674
252674
262674
272674
282773
292872
302872
312872

Chance of precipitation in July

Any precipitation

Sunagawa gets around 132 mm of rain over 13.5 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 43% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
138
239
339
440
540
641
741
842
942
1042
1142
1242
1342
1443
1543
1643
1743
1843
1944
2044
2144
2244
2344
2444
2544
2644
2744
2845
2945
3045
3145

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
131422340
229422450
327412650
426412860
524402970
622403180
721393280
819383390
9183735100
10173736110
11163637110
12153538120
13143439130
14133340140
15123240151
16123141161
17112941181
18102841191
1992741212
2092642222
2182441243
2272341253
2372241274
2462140285
2562039305
2651938316
2751838327
2851837338
2941736349
3041735359
31416353510

Wind in July

Winds average 7 km/h in July.

Across July, daily wind ranges from about 7 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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 12 min at the start of July to 14 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:00 AM to 4:25 AM, and sunset from 7:12 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.24:007:12
215.24:007:11
315.24:017:11
415.24:017:11
515.14:027:11
615.14:037:11
715.14:037:10
815.14:047:10
915.14:057:10
1015.14:057:09
1115.04:067:09
1215.04:077:08
1315.04:087:08
1415.04:087:07
1515.04:097:07
1614.94:107:06
1714.94:117:05
1814.94:127:05
1914.94:137:04
2014.84:147:03
2114.84:147:02
2214.84:157:01
2314.74:167:01
2414.74:177:00
2514.74:186:59
2614.64:196:58
2714.64:206:57
2814.64:216:56
2914.54:226:55
3014.54:246:54
3114.54:256:52

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.7 kWh/m².

For context, solar energy here swings from a low near 1.54 kWh/m² to a high of 5.3 kWh/m² in May across the year — July's 4.7 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
15.0Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in July

Hazard calendar for Sunagawa

In seasonPeak

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

Sunagawa 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 Sunagawa?

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

6.1
Sightseeing
1st-best month of the year
4.8
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Sunagawa for sightseeing.

What to pack for Sunagawa in July

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

In July, Sunagawa sees daytime highs around 23°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Sunagawa in July

The nearest coast averages about 19°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 45 km away) is warmest in August at about 22°C and coldest in February near 5°C.

It's comfortable for a long swim from Jul 31 to Sep 22 — about 1.8 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan7Bracing
Feb5Bracing
Mar5Bracing
Apr7Bracing
May10Bracing
Jun14Bracing
Jul19Cool
Aug22Refreshing
Sep21Refreshing
Oct17Cool
Nov13Bracing
Dec9Bracing

UV index in Sunagawa in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sunagawa peaks around August 17 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighVery highHighModerateLowAug 17UV 8Dec 20UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7Very high
Jun7High
Jul6High
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Sunagawa 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 Sunagawa is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.3× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1220 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar20Moderate
Apr21Moderate
May19Moderate
Jun14Moderate
Jul13Moderate
Aug11Good
Sep11Good
Oct12Good
Nov10Good
Dec9Good
Location & terrain

Where is Sunagawa?

Sunagawa sits at 43.5°N, 141.9°E, 33 m above sea level, in Japan. The nearest listed city is Takikawa, 7.0 km away.

Topography around Sunagawa

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

Within 3 km, the terrain around Sunagawa has only modest variations in elevation — a maximum elevation change of 198 m around an average of 37 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,086 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,253 m.

The land around Sunagawa is covered by cropland (43%) and trees (29%) within 3 km, trees (64%) and cropland (26%) within 16 km, and trees (62%) within 80 km.

3 km
198 m
16 km
1,086 m
80 km
2,253 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Takikawa 7.0 km · Bibai 18 km · Ashibetsu 23 km · Fukagawa 27 km · Iwamizawa 34 km · Furano 41 km · Shimo-furano 41 km · Tōbetsu 43 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 Sunagawa (43.4864°, 141.9056°, elevation 33 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).