Shimo-tsuma weather in July

In July, Shimo-tsuma sees average daytime highs of 30°C and overnight lows near 22°C, with 165 mm of rain across 15.9 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 2nd-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 13% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 24 min at the start of July to 13 h 54 min by month's end. Set against the rest of the year, July is Shimo-tsuma's 11th-clearest and 8th-windiest month. For the whole year in context, see Shimo-tsuma's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
165 mm
15.9 wet days
Daylight
14 h 12 min
4:39 AM – 6:53 PM
Cloud cover
77%
11th clearest
Wind
8 km/h
8th windiest
Solar energy
4.45 kWh/m²
Travel score
4.4
out of 10

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 Shimo-tsuma reaches about 30°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°40°151015202531
Avg high (°C)Avg low (°C)
12821
22821
32821
42821
52821
62821
72921
82922
92922
102922
112922
122922
132922
142922
152922
163022
173022
183023
193023
203023
213023
223023
233023
243023
253123
263123
273123
283123
293124
303124
313124

How July really feels in Shimo-tsuma

Once humidity and wind are folded in, July averages 17 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
17
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.

Shimo-tsuma weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°556.11.39.81.9
Feb10° / 546.71.810.62.3
Mar13° / 10011.50.811.73.7
Apr18° / 10711.10.112.95.6
May23° / 14°13412.5013.96.3
Jun26° / 18°14714.6014.45.5
Jul30° / 22°16515.9014.24.4
Aug31° / 23°12313.7013.44.1
Sep27° / 20°16414.2012.25.5
Oct21° / 14°17612.3011.16.2
Nov16° / 808.7010.15.2
Dec11° / 526.50.29.63.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 10% of July, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21981
32080
42080
52179
62179
72179
82179
92179
102179
112179
122179
132278
142179
152179
162179
172179
182179
192278
202377
212377
222476
232674
242674
252773
262971
273070
283169
293367
303367
313466

Chance of precipitation in July

Any precipitation

Shimo-tsuma gets around 165 mm of rain over 15.9 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 50% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
158
258
358
458
558
658
758
857
957
1056
1155
1253
1352
1451
1550
1649
1748
1847
1946
2046
2145
2245
2344
2444
2543
2643
2743
2843
2943
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 49% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
142044311
241943322
331842342
431841362
531740382
621638403
721637423
821536434
921535454
1021433465
1121432475
1211331486
1311330496
1411329507
1511227528
1611226538
1711125549
18111245410
19110235511
20110225512
2119215613
2219205614
2318205615
2418195616
2517185717
2617185618
2717175619
2817165620
2916155721
3016155721
3106145822

Wind in July

Winds average 8 km/h in July.

Across July, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 24 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 30 minutes over July. Sunrise moves from 4:30 AM to 4:50 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)
114.44:306:57
214.44:316:56
314.44:316:56
414.44:326:56
514.44:326:56
614.44:336:56
714.44:336:56
814.44:346:56
914.44:346:55
1014.34:356:55
1114.34:356:55
1214.34:366:55
1314.34:376:54
1414.34:376:54
1514.34:386:53
1614.24:396:53
1714.24:396:52
1814.24:406:52
1914.24:416:51
2014.24:416:51
2114.14:426:50
2214.14:436:50
2314.14:446:49
2414.14:446:48
2514.04:456:48
2614.04:466:47
2714.04:476:46
2814.04:476:45
2913.94:486:45
3013.94:496:44
3113.94:506:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.45 kWh/m².

For context, solar energy here swings from a low near 2.38 kWh/m² to a high of 5.09 kWh/m² in May across the year — July's 4.45 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.3Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.6Bright
234.6Bright
244.6Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in July

Hazard calendar for Shimo-tsuma

In seasonPeak

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

Shimo-tsuma 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 Shimo-tsuma?

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
5.7
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Shimo-tsuma for sightseeing.

What to pack for Shimo-tsuma in July

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

In July, Shimo-tsuma sees daytime highs around 30°C and nights near 22°C. Pack light clothes and rain gear. About 16 days see rain.

light clothesrain gear

Sea temperature near Shimo-tsuma 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 59 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 23 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
Jun20Cool
Jul22Refreshing
Aug24Warm
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec16Cool

UV index in Shimo-tsuma 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 Shimo-tsuma peaks around July 21 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 23 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 21UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Shimo-tsuma 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 Shimo-tsuma is worst in March — around 25 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2425 µg/m³Dec 1914 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb18Moderate
Mar25Moderate
Apr25Moderate
May24Moderate
Jun19Moderate
Jul16Moderate
Aug15Moderate
Sep15Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Shimo-tsuma?

Shimo-tsuma sits at 36.2°N, 140.0°E, 28 m above sea level, in Japan. The nearest listed city is Yachiyo, 7.0 km away.

Topography around Shimo-tsuma

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

Within 3 km, the terrain around Shimo-tsuma has only modest variations in elevation — a maximum elevation change of 27 m around an average of 22 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 856 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,458 m.

The land around Shimo-tsuma is covered by cropland (48%) and artificial surfaces (32%) within 3 km, cropland (48%), trees (23%) and artificial surfaces (23%) within 16 km, and trees (39%), artificial surfaces (26%) and cropland (22%) within 80 km.

3 km
27 m
16 km
856 m
80 km
2,458 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Yachiyo 7.0 km · Ishige 7.0 km · Shimodate 13 km · Chikusei 15 km · Yūki 15 km · Makabe 15 km · Sakuragawa 15 km · Bandō 15 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 Shimo-tsuma (36.1833°, 139.9667°, elevation 28 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).