Numazu weather in July

In July, Numazu sees average daytime highs of 26°C and overnight lows near 23°C, with 294 mm of rain across 16.5 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 24°C in the first days to 27°C by the end. The sky is clear or mostly clear about 20% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 14 h 18 min at the start of July to 13 h 48 min by month's end. Set against the rest of the year, July is Numazu's 11th-clearest and 10th-windiest month. For the whole year in context, see Numazu's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
23°
11th coldest
Rainfall
294 mm
16.5 wet days
Daylight
14 h 06 min
4:46 AM – 6:55 PM
Cloud cover
72%
11th clearest
Wind
9 km/h
10th windiest
Solar energy
5.14 kWh/m²
Travel score
5.6
out of 10

Numazu is city in Shizuoka Prefecture, Japan.

Founded
1923

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 24°C in the first days to 27°C by the end.

A typical July day in Numazu reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C cooler than August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12421
22421
32421
42421
52522
62522
72522
82522
92522
102522
112522
122522
132522
142622
152623
162623
172623
182623
192623
202623
212623
222623
232623
242623
252723
262723
272724
282724
292724
302724
312724

Numazu 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 / 968.50.79.92.0
Feb / 1179.10.910.72.1
Mar12° / 204140.511.72.9
Apr16° / 11°21513.1012.94.5
May19° / 15°23212.8013.85.7
Jun22° / 19°28615.8014.35.4
Jul26° / 23°29416.5014.15.6
Aug27° / 24°16514.2013.35.9
Sep25° / 22°24314.5012.26.0
Oct20° / 17°24513.1011.16.0
Nov16° / 12°14410.8010.25.0
Dec12° / 898.40.19.73.3

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 11% of July, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22377
32377
42476
52575
62575
72674
82674
92674
102674
112773
122773
132872
142971
152971
163070
173070
183169
193169
203268
213466
223466
233565
243664
253763
263862
273961
284159
294258
304258
314456

Chance of precipitation in July

Any precipitation

Numazu gets around 294 mm of rain over 16.5 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
659
759
859
958
1058
1157
1256
1355
1454
1553
1652
1751
1850
1949
2049
2148
2248
2347
2447
2547
2647
2747
2847
2947
3047
3147

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 94% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
131348360
221247390
321145421
421043441
51941471
61940501
71838521
81736551
91735552
101733572
110632602
120630613
130628633
140627634
150525655
160524665
170523666
180422677
190421669
2004206610
2104196611
2204186612
2303176614
2403166615
2503156517
2603156418
2703146320
2803136321
2903126223
3003126124
3103116125

Wind in July

Winds average 9 km/h in July.

Across July, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 14 h 18 min at the start of July to 13 h 48 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 4:38 AM to 4:56 AM, and sunset from 6:58 PM to 6:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:386:58
214.34:386:58
314.34:396:58
414.34:396:58
514.34:406:58
614.34:406:58
714.34:416:57
814.34:416:57
914.34:426:57
1014.24:426:57
1114.24:436:56
1214.24:436:56
1314.24:446:56
1414.24:446:55
1514.24:456:55
1614.14:466:55
1714.14:466:54
1814.14:476:54
1914.14:486:53
2014.14:486:53
2114.14:496:52
2214.04:506:51
2314.04:506:51
2414.04:516:50
2514.04:526:50
2613.94:536:49
2713.94:536:48
2813.94:546:47
2913.94:556:47
3013.84:566:46
3113.84:566:45

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.14 kWh/m².

For context, solar energy here swings from a low near 2.52 kWh/m² to a high of 5.45 kWh/m² in May across the year — July's 5.14 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.1Bright
145.1Bright
155.1Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in July

Hazard calendar for Numazu

In seasonPeak

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

Numazu 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 Numazu?

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

5.6
Sightseeing
5th-best month of the year
5.3
Beach & pool
3rd-best month of the year

July is a reasonable time to visit Numazu for sightseeing.

What to pack for Numazu in July

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

In July, Numazu sees daytime highs around 26°C and nights near 23°C. Pack rain gear. Worth having: light clothes and sun protection. About 17 days see rain.

rain gearlight clothessun protection

Sea temperature near Numazu in July

The nearest coast averages about 24°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 22 km away) is warmest in August at about 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 30 to Nov 23 — about 5.9 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar15Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul24Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov21Refreshing
Dec18Cool

UV index in Numazu 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 Numazu peaks around July 19 at about 10 (extreme) — 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 highExtremeVery highModerateJul 19UV 10Dec 23UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5Moderate
Apr7High
May9Very high
Jun10Very high
Jul10Extreme
Aug10Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Numazu 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 Numazu is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1623 µg/m³Dec 1610 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb20Moderate
Mar20Moderate
Apr23Moderate
May20Moderate
Jun17Moderate
Jul13Moderate
Aug12Good
Sep12Good
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Numazu?

Numazu sits at 35.1°N, 138.9°E, 8 m above sea level, in Japan. The nearest listed city is Fushimi, 3.0 km away.

Topography around Numazu

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

Within 3 km, the terrain around Numazu has significant variations in elevation — a maximum elevation change of 251 m around an average of 18 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,439 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,736 m.

The land around Numazu is covered by artificial surfaces (67%) within 3 km, trees (54%) and water (24%) within 16 km, and trees (46%) and water (42%) within 80 km.

3 km
251 m
16 km
1,439 m
80 km
3,736 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Fushimi 3.0 km · Mishima 5.0 km · Nakatogari 5.0 km · Kamizawa 8.0 km · Susono 9.0 km · Izunokuni 10 km · Shuzenji 15 km · Izu 16 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 Numazu (35.1°, 138.8667°, elevation 8 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).