Matsushima weather in August

In August, Matsushima sees average daytime highs of 26°C and overnight lows near 22°C, with 162 mm of rain across 14.9 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 19% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 14 hours at the start of August to 12 h 54 min by month's end. Set against the rest of the year, August is Matsushima's 10th-clearest and 11th-windiest month. For the whole year in context, see Matsushima's year-round climate.

Daytime high
26°
1st warmest
Overnight low
22°
12th coldest
Rainfall
162 mm
14.9 wet days
Daylight
13 h 30 min
4:55 AM – 6:25 PM
Cloud cover
70%
10th clearest
Wind
10 km/h
11th windiest
Solar energy
4.34 kWh/m²
Travel score
5.8
out of 10

Matsushima is town in Miyagi district, Miyagi prefecture, Japan.

Density
306/km²
people per km²
Founded
1928

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 26°C through the month.

A typical August day in Matsushima reaches about 26°C in the afternoon and slips back to 22°C overnight — a 3°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 2°C warmer than July and about 2°C warmer than September.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62623
72623
82623
92623
102623
112623
122623
132623
142623
152623
162622
172622
182622
192622
202622
212622
222622
232622
242522
252522
262522
272522
282522
292522
302522
312522

How August really feels in Matsushima

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.

Matsushima weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 568.14.39.60.1
Feb / 477.43.710.50.3
Mar / 9110.62.511.71.6
Apr13° / 10010.50.4133.5
May17° / 12°11310.7014.15.3
Jun20° / 17°13413014.65.6
Jul24° / 21°18916.3014.45.6
Aug26° / 22°16214.9013.55.8
Sep23° / 19°17913.9012.36.0
Oct19° / 14°15911.20115.8
Nov13° / 677.909.94.0
Dec / 558.62.59.41.4

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 13% of August, with mostly cloudy or overcast conditions the remaining 68%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23367
33367
43367
53367
63367
73367
83268
93268
103169
113169
123070
133070
143070
153070
163070
172971
182971
193070
203070
213070
223070
233169
243169
253268
263367
273367
283466
293466
303565
313565

Chance of precipitation in August

Any precipitation

Matsushima gets around 162 mm of rain over 14.9 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 48% and peaks near 50% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
144
244
344
444
545
645
745
846
947
1047
1148
1248
1349
1449
1549
1649
1749
1849
1949
2049
2149
2250
2350
2450
2550
2650
2750
2850
2950
3050
3150

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 45% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
129225215
229215216
329215117
428205317
528205218
628215118
728215118
828215019
928224919
1028224919
1128234819
1228234819
1328244718
1428254618
1528264618
1629274517
1729284417
1829294317
1939304216
2039314216
2139324115
22310324014
23310334014
24311343913
25311353912
26312353911
27312363910
2831336389
2931437379
3031437378
3141537367

Wind in August

Winds average 10 km/h in August.

Across August, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2911calm
3011calm
3111calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 hours at the start of August to 12 h 54 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 4:41 AM to 5:08 AM, and sunset from 6:42 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:416:42
214.04:426:41
314.04:436:40
413.94:446:39
513.94:456:38
613.94:466:37
713.84:476:36
813.84:486:35
913.84:486:34
1013.74:496:32
1113.74:506:31
1213.64:516:30
1313.64:526:29
1413.64:536:28
1513.54:546:26
1613.54:556:25
1713.54:566:24
1813.44:576:22
1913.44:586:21
2013.44:586:19
2113.34:596:18
2213.35:006:17
2313.25:016:15
2413.25:026:14
2513.25:036:12
2613.15:046:11
2713.15:056:09
2813.05:066:08
2913.05:076:06
3013.05:076:05
3112.95:086:03

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.34 kWh/m².

For context, solar energy here swings from a low near 2.13 kWh/m² to a high of 5.38 kWh/m² in May across the year — August's 4.34 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.2Bright
204.2Bright
214.2Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.0Bright
274.0Bright
284.0Moderate
294.0Moderate
303.9Moderate
313.9Moderate
Planning a trip in August

Hazard calendar for Matsushima

In seasonPeak

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

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

Matsushima's rainy season runs March–October, 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 Matsushima?

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

5.8
Sightseeing
2nd-best month of the year
5.5
Beach & pool
1st-best month of the year

August is a reasonable time to visit Matsushima for sightseeing.

What to pack for Matsushima in August

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

In August, Matsushima sees daytime highs around 26°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Matsushima in August

The nearest coast averages about 23°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 27 km away) is warmest in August at about 23°C and coldest in March near 8°C.

It's comfortable for a long swim from Jul 10 to Oct 8 — about 3 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar8Bracing
Apr10Bracing
May13Bracing
Jun17Cool
Jul21Refreshing
Aug23Refreshing
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec14Bracing

UV index in Matsushima 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 Matsushima peaks around August 16 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateLowAug 16UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul8Very high
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Matsushima 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 Matsushima is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1621 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun14Moderate
Jul12Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Matsushima?

Matsushima sits at 38.4°N, 141.1°E, 20 m above sea level, in Japan. The nearest listed city is Shiogama, 7.0 km away.

Topography around Matsushima

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

Within 3 km, the terrain around Matsushima has only modest variations in elevation — a maximum elevation change of 180 m around an average of 34 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 216 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,840 m.

The land around Matsushima is covered by trees (52%) and water (29%) within 3 km, trees (33%) and water (29%) within 16 km, and trees (53%) and water (31%) within 80 km.

3 km
180 m
16 km
216 m
80 km
1,840 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Shiogama 7.0 km · Rifu 9.0 km · Tagajō-shi 10 km · Shōbudahama 10 km · Higashimatsushima 11 km · Yamoto 15 km · Tomiya 15 km · Yoshioka 18 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 Matsushima (38.3736°, 141.061°, 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).