Suzaka weather in July

In July, Suzaka sees average daytime highs of 26°C and overnight lows near 18°C, with 243 mm of rain across 21.7 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 24°C in the first days to 28°C by the end. The sky is clear or mostly clear about 13% of the time in July, and the air most often feels muggy.

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 Suzaka's 11th-clearest and 12th-windiest month. For the whole year in context, see Suzaka's year-round climate.

Daytime high
26°
2nd warmest
Overnight low
18°
11th coldest
Rainfall
243 mm
21.7 wet days
Daylight
14 h 18 min
4:44 AM – 7:01 PM
Cloud cover
76%
11th clearest
Wind
4 km/h
12th windiest
Solar energy
4.83 kWh/m²
Travel score
4.7
out of 10

Suzaka is city in Nagano Prefecture, Japan.

Density
361/km²
people per km²
Founded
1954

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 28°C by the end.

A typical July day in Suzaka reaches about 26°C in the afternoon and slips back to 18°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, July runs about 3°C warmer than June and about 1°C cooler than August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12417
22417
32417
42517
52517
62517
72518
82518
92518
102518
112518
122518
132618
142618
152618
162618
172619
182619
192619
202719
212719
222719
232719
242719
252719
262719
272719
282819
292819
302820
312820

How July really feels in Suzaka

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.

Suzaka 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 / -6°14722.823.49.80.0
Feb / -5°12018.918.510.60.0
Mar / -2°13818.614.811.70.6
Apr13° / 11514.63.512.93.4
May19° / 13314.70.113.95.5
Jun23° / 14°17818.1014.55.2
Jul26° / 18°24321.7014.24.7
Aug27° / 19°16919.6013.44.9
Sep23° / 15°18217012.25.4
Oct17° / 16115.60.111.14.7
Nov11° / 11616.44.6102.3
Dec / -3°13820.4179.50.2

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 12% of July, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11684
21684
31684
41783
51783
61882
71882
81981
91981
101981
112080
122080
132179
142278
152278
162476
172575
182575
192674
202872
212971
222971
233169
243268
253466
263466
273664
283664
293763
303862
313862

Chance of precipitation in July

Any precipitation

Suzaka gets around 243 mm of rain over 21.7 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 70% and peaks near 76% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
174
275
375
475
576
676
776
876
976
1076
1176
1275
1375
1474
1573
1672
1771
1870
1969
2068
2167
2266
2365
2464
2563
2662
2761
2861
2961
3061
3161

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 47% of days. Sticky, muggy-or-worse air turns up on roughly 49% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
162449210
252251220
342052240
441852260
531653280
621553300
721452320
811352340
911251360
1011150380
1101049400
120948420
130947430
140846451
150844471
160743491
170741511
180740521
190639541
200637561
210636571
220534592
230533602
240532612
250430642
260429643
270428653
280427663
290325693
300324694
310324694

Wind in July

Winds average 4 km/h in July, the calmest month.

Across July, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

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 4:36 AM to 4:55 AM, and sunset from 7:04 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.54:367:04
214.54:367:04
314.54:377:04
414.54:377:04
514.44:387:04
614.44:387:04
714.44:397:04
814.44:397:04
914.44:407:03
1014.44:407:03
1114.44:417:03
1214.34:417:02
1314.34:427:02
1414.34:437:02
1514.34:437:01
1614.34:447:01
1714.34:457:00
1814.24:457:00
1914.24:466:59
2014.24:476:59
2114.24:486:58
2214.24:486:57
2314.14:496:57
2414.14:506:56
2514.14:516:55
2614.14:516:55
2714.04:526:54
2814.04:536:53
2914.04:546:52
3013.94:546:51
3113.94:556:50

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.83 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.65 kWh/m² in May across the year — July's 4.83 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.7Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.3Bright
315.3Bright
Planning a trip in July

Hazard calendar for Suzaka

In seasonPeak

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

Suzaka 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 Suzaka?

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

4.7
Sightseeing
5th-best month of the year
4.6
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Suzaka for sightseeing.

What to pack for Suzaka in July

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

In July, Suzaka sees daytime highs around 26°C and nights near 18°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

Sea temperature near Suzaka in July

The nearest coast averages about 23°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 56 km away) is warmest in August at about 27°C and coldest in March near 10°C.

It's comfortable for a long swim from Jun 20 to Nov 1 — about 4.4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr11Bracing
May15Bracing
Jun20Cool
Jul23Refreshing
Aug27Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec15Cool

UV index in Suzaka 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 Suzaka peaks around August 13 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 highVery highModerateAug 13UV 10Dec 22UV 2
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr7Very high
May9Very high
Jun9Very high
Jul10Very high
Aug10Extreme
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Suzaka 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 Suzaka is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1721 µg/m³Dec 1510 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun18Moderate
Jul15Moderate
Aug13Moderate
Sep12Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Suzaka?

Suzaka sits at 36.6°N, 138.3°E, 401 m above sea level, in Japan. The nearest listed city is Nagano, 12 km away.

Topography around Suzaka

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

Within 3 km, the terrain around Suzaka has large variations in elevation — a maximum elevation change of 638 m around an average of 445 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,019 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,130 m.

The land around Suzaka is covered by trees (43%) and artificial surfaces (34%) within 3 km, trees (70%) within 16 km, and trees (76%) within 80 km.

3 km
638 m
16 km
2,019 m
80 km
3,130 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Nagano 12 km · Nakano 12 km · Iiyama 23 km · Sakaki 24 km · Chikuma 24 km · Ueda 28 km · Tōmi 33 km · Kamimaruko 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 Suzaka (36.65°, 138.3167°, elevation 401 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).