Mashiko weather in July

In July, Mashiko sees average daytime highs of 29°C and overnight lows near 22°C, with 174 mm of rain across 16.4 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 31°C by the end. The sky is clear or mostly clear about 11% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 30 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Mashiko's 11th-clearest and 10th-windiest month. For the whole year in context, see Mashiko's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
174 mm
16.4 wet days
Daylight
14 h 18 min
4:37 AM – 6:53 PM
Cloud cover
78%
11th clearest
Wind
6 km/h
10th windiest
Solar energy
4.32 kWh/m²
Travel score
4.4
out of 10

Mashiko is town in Haga district, Tochigi prefecture, Japan.

Density
291/km²
people per km²
Founded
1894

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 28°C in the first days to 31°C by the end.

A typical July day in Mashiko reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 34°C. Set against its neighbours, July runs about 4°C warmer than June and about 1°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12720
22820
32820
42821
52821
62821
72821
82821
92821
102921
112921
122922
132922
142922
152922
162922
172922
182922
193022
203022
213022
223023
233023
243023
253023
263023
273123
283123
293123
303123
313123

How July really feels in Mashiko

Once humidity and wind are folded in, July averages 13 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
13
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in July is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mashiko weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°526.11.49.81.8
Feb10° / 516.61.810.62.2
Mar13° / 9711.41.111.73.6
Apr18° / 10911.70.212.95.5
May23° / 13°13412.4013.96.3
Jun26° / 18°14415.1014.45.5
Jul29° / 22°17416.4014.24.4
Aug30° / 23°12813.8013.44.2
Sep27° / 19°16514.1012.25.6
Oct21° / 13°16412011.16.2
Nov16° / 768.1010.15.2
Dec11° / 496.40.39.63.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 12% of July, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11783
21882
31882
41981
51981
61981
72080
82080
92179
102179
112179
122179
132179
142179
152179
162278
172278
182179
192179
202377
212476
222476
232476
242674
252773
262872
273070
283070
293169
303268
313367

Chance of precipitation in July

Any precipitation

Mashiko gets around 174 mm of rain over 16.4 wet days in July, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 53% and peaks near 60% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
160
260
360
460
560
660
760
860
959
1059
1158
1257
1356
1455
1554
1653
1753
1852
1951
2050
2149
2248
2347
2446
2545
2645
2744
2844
2944
3043
3143

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the oppressive band about 48% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1152245271
2052144291
3042044311
4041943331
5031842352
6031741372
7031640392
8021639402
9021538423
10021437433
11021436453
12021435464
13021333474
14021332485
15021231495
16021230506
17021128527
18021127537
19021026548
20021025549
2102924569
22029235610
23028225711
24018225712
25017215813
26017205814
27017195815
28017185915
29017175916
30016166017
31006156217

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 6 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
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 30 min at the start of July to 13 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over July. Sunrise moves from 4:29 AM to 4:49 AM, and sunset from 6:57 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:296:57
214.54:306:57
314.44:306:57
414.44:306:57
514.44:316:56
614.44:316:56
714.44:326:56
814.44:326:56
914.44:336:56
1014.44:346:55
1114.34:346:55
1214.34:356:55
1314.34:356:54
1414.34:366:54
1514.34:376:54
1614.34:376:53
1714.24:386:53
1814.24:396:52
1914.24:396:52
2014.24:406:51
2114.24:416:50
2214.14:426:50
2314.14:426:49
2414.14:436:48
2514.14:446:48
2614.04:456:47
2714.04:456:46
2814.04:466:45
2914.04:476:45
3013.94:486:44
3113.94:496:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.32 kWh/m².

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 5.08 kWh/m² in May across the year — July's 4.32 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.1Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.3Bright
164.3Bright
174.3Bright
184.3Bright
194.3Bright
204.4Bright
214.4Bright
224.4Bright
234.5Bright
244.5Bright
254.5Bright
264.6Bright
274.6Bright
284.6Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in July

Hazard calendar for Mashiko

In seasonPeak

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

Mashiko 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 Mashiko?

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

4.4
Sightseeing
7th-best month of the year
5.6
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Mashiko for sightseeing.

What to pack for Mashiko in July

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

In July, Mashiko sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 16 days see rain.

light clothesrain gear

Sea temperature near Mashiko in July

The nearest coast averages about 22°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 48 km away) is warmest in August at about 24°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 24 to Oct 28 — about 4.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan15Bracing
Feb13Bracing
Mar13Bracing
Apr15Bracing
May17Cool
Jun19Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Mashiko in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Mashiko peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 17UV 9Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Mashiko 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 Mashiko is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1821 µg/m³Dec 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul14Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov10Good
Dec9Good
Location & terrain

Where is Mashiko?

Mashiko sits at 36.5°N, 140.1°E, 79 m above sea level, in Japan. The nearest listed city is Mooka, 8.0 km away.

Topography around Mashiko

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

Within 3 km, the terrain around Mashiko has only modest variations in elevation — a maximum elevation change of 237 m around an average of 107 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 491 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,553 m.

The land around Mashiko is covered by trees (54%) and cropland (25%) within 3 km, trees (54%) and cropland (28%) within 16 km, and trees (49%) and cropland (20%) within 80 km.

3 km
237 m
16 km
491 m
80 km
2,553 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Mooka 8.0 km · Iwase 13 km · Kaminokawa 17 km · Kasama 18 km · Chikusei 20 km · Karasuyama 21 km · Hōshakuji 21 km · Shimodate 21 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 Mashiko (36.4667°, 140.1°, elevation 79 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).