Sapporo weather in July

In July, Sapporo sees average daytime highs of 23°C and overnight lows near 16°C, with 138 mm of rain across 13.9 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 21°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 06 min at the start of July to 14 h 24 min by month's end. Set against the rest of the year, July is Sapporo's 12th-clearest and 11th-windiest month. For the whole year in context, see Sapporo's year-round climate.

Daytime high
23°
2nd warmest
Overnight low
16°
11th coldest
Rainfall
138 mm
13.9 wet days
Daylight
14 h 54 min
4:14 AM – 7:07 PM
Cloud cover
73%
12th clearest
Wind
7 km/h
11th windiest
Solar energy
4.89 kWh/m²
Travel score
6.0
out of 10

Sapporo is city on Hokkaido, Japan.

Air quality
Moderate
PM2.5 14 µg/m³ · 2010
Density
1,760/km²
people per km²
Founded
1922

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 21°C in the first days to 24°C by the end.

A typical July day in Sapporo 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 19°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)
12114
22114
32114
42115
52115
62215
72215
82215
92215
102215
112216
122216
132216
142216
152216
162316
172316
182316
192317
202317
212317
222317
232317
242417
252417
262417
272418
282418
292418
302418
312418

How July really feels in Sapporo

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.

Sapporo 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-3° / -10°5110.316.39.20.0
Feb-2° / -9°469.814.110.20.0
Mar / -6°6412.112.811.60.0
Apr / 7311.95.413.11.8
May15° / 9312.60.414.44.3
Jun19° / 12°8911.9015.15.7
Jul23° / 16°13813.9014.96.0
Aug24° / 18°19114.2013.86.1
Sep20° / 13°15514.7012.35.5
Oct14° / 9913.60.710.83.8
Nov / -0°8814.49.29.50.7
Dec-1° / -6°7312.717.78.90.0

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 13% of July, with mostly cloudy or overcast conditions the remaining 72%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
22971
32971
42971
52872
62872
72872
82674
92674
102674
112773
122773
132773
142773
152773
162674
172773
182773
192773
202773
212674
222872
232872
242872
252872
262971
272971
283070
293070
303070
313070

Chance of precipitation in July

Any precipitation

Sapporo gets around 138 mm of rain over 13.9 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 44% and peaks near 46% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
139
240
341
442
543
643
744
845
945
1045
1146
1246
1346
1446
1546
1645
1745
1845
1945
2044
2144
2244
2344
2444
2543
2643
2743
2843
2944
3044
3144

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 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
128432540
227422650
325412850
424403060
522403170
620393280
719383390
8183735100
9163636110
10153537120
11143538130
12133439140
13123339150
14113240161
15113140171
16103041181
1792941191
1882841212
1982741222
2072641233
2172540254
2262440264
2362339275
2452239286
2552138297
2642037318
2741936329
28418353310
29318343411
30317333512
31317333513

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 7 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
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 06 min at the start of July to 14 h 24 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 4:04 AM to 4:28 AM, and sunset from 7:12 PM to 6:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.14:047:12
215.14:047:12
315.14:057:12
415.14:057:12
515.14:067:12
615.14:067:11
715.14:077:11
815.14:087:11
915.04:087:10
1015.04:097:10
1115.04:107:10
1215.04:107:09
1315.04:117:09
1414.94:127:08
1514.94:137:07
1614.94:147:07
1714.94:147:06
1814.84:157:06
1914.84:167:05
2014.84:177:04
2114.84:187:03
2214.74:197:02
2314.74:207:02
2414.74:217:01
2514.64:227:00
2614.64:236:59
2714.64:246:58
2814.54:256:57
2914.54:266:56
3014.54:276:55
3114.44:286:54

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.89 kWh/m².

For context, solar energy here swings from a low near 1.64 kWh/m² to a high of 5.5 kWh/m² in May across the year — July's 4.89 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in July

Hazard calendar for Sapporo

In seasonPeak

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

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

Sapporo's rainy season runs May–November, 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 July a good time to visit Sapporo?

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

6.0
Sightseeing
2nd-best month of the year
4.4
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Sapporo for sightseeing.

What to pack for Sapporo in July

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

In July, Sapporo 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 Sapporo 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 34 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 Sapporo in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sapporo peaks around August 18 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 18UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5High
May7Very high
Jun7High
Jul5Moderate
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Sapporo 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 Sapporo is worst in April — around 22 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 9 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Sapporo's WHO annual average of 14 µg/m³.

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1222 µg/m³Dec 159 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb16Moderate
Mar21Moderate
Apr22Moderate
May20Moderate
Jun14Moderate
Jul13Moderate
Aug11Good
Sep10Good
Oct12Good
Nov10Good
Dec9Good
Location & terrain

Where is Sapporo?

Sapporo sits at 43.1°N, 141.3°E, 26 m above sea level, in Japan. The nearest listed city is Ebetsu, 17 km away.

Topography around Sapporo

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

Within 3 km, the terrain around Sapporo has only modest variations in elevation — a maximum elevation change of 37 m around an average of 20 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,095 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,863 m.

The land around Sapporo is covered by artificial surfaces (90%) within 3 km, trees (44%) and artificial surfaces (36%) within 16 km, and trees (57%) and water (27%) within 80 km.

3 km
37 m
16 km
1,095 m
80 km
1,863 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Ebetsu 17 km · Ishikari 19 km · Kitahiroshima 20 km · Tōbetsu 22 km · Eniwa 27 km · Otaru 31 km · Iwamizawa 36 km · Chitose 37 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 Sapporo (43.0667°, 141.35°, elevation 26 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).