Katori-shi weather in July

In July, Katori-shi sees average daytime highs of 27°C and overnight lows near 22°C, with 149 mm of rain across 13.6 wet days and about 14.2 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 25°C in the first days to 28°C by the end. The sky is clear or mostly clear about 17% 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 Katori-shi's 11th-clearest and 10th-windiest month. For the whole year in context, see Katori-shi's year-round climate.

Daytime high
27°
2nd warmest
Overnight low
22°
11th coldest
Rainfall
149 mm
13.6 wet days
Daylight
14 h 12 min
4:37 AM – 6:50 PM
Cloud cover
74%
11th clearest
Wind
13 km/h
10th windiest
Solar energy
5.08 kWh/m²
Travel score
5.8
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 25°C in the first days to 28°C by the end.

A typical July day in Katori-shi reaches about 27°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 30°C. Set against its neighbours, July runs about 4°C warmer than June and about 2°C cooler than August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12521
22521
32521
42521
52621
62621
72622
82622
92622
102622
112622
122622
132622
142722
152722
162722
172723
182723
192723
202723
212723
222723
232723
242823
252823
262823
272824
282824
292824
302824
312824

How July really feels in Katori-shi

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.

Katori-shi weather by month

How July compares with the rest of the year at a glance. July is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7780.69.82.0
Feb / 748.50.810.62.1
Mar12° / 12812.60.411.73.1
Apr16° / 11°11812.5012.94.9
May20° / 15°13612013.95.9
Jun23° / 19°15713.6014.45.8
Jul27° / 22°14913.6014.25.8
Aug28° / 24°10310.7013.45.7
Sep25° / 22°17113.8012.26.0
Oct21° / 17°21313011.16.0
Nov16° / 11°10710.7010.15.0
Dec11° / 739.209.63.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 17% 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 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12278
22377
32377
42377
52575
62575
72674
82674
92674
102773
112773
122674
132674
142674
152674
162773
172773
182773
192773
202872
212872
222971
233070
243169
253268
263466
273565
283664
293862
303961
314060

Chance of precipitation in July

Any precipitation

Katori-shi gets around 149 mm of rain over 13.6 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 42% and peaks near 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
152
252
352
451
551
651
751
850
950
1049
1148
1247
1346
1445
1544
1642
1741
1840
1940
2039
2138
2237
2336
2436
2535
2634
2733
2832
2932
3032
3131

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 55% 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 (%)
141846320
231745350
331643370
431642400
521540420
621538440
721437471
821435481
921334501
1011332522
1111331532
1211329552
1311328553
1411227573
1511226574
1611125594
1711124595
1811023606
1911022616
201921627
211920628
221820629
2318196210
2417186311
2507186312
2606176413
2706166414
2805156515
2905146417
3005146318
3105136319

Wind in July

Winds average 13 km/h in July.

Across July, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 4:29 AM to 4:48 AM, and sunset from 6:54 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:296:54
214.44:296:54
314.44:306:53
414.44:306:53
514.44:316:53
614.44:316:53
714.44:326:53
814.34:326:53
914.34:336:53
1014.34:336:52
1114.34:346:52
1214.34:356:52
1314.34:356:51
1414.24:366:51
1514.24:376:50
1614.24:376:50
1714.24:386:50
1814.24:396:49
1914.24:396:49
2014.14:406:48
2114.14:416:47
2214.14:416:47
2314.14:426:46
2414.04:436:46
2514.04:446:45
2614.04:446:44
2714.04:456:43
2813.94:466:43
2913.94:476:42
3013.94:476:41
3113.94:486:40

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.08 kWh/m².

For context, solar energy here swings from a low near 2.33 kWh/m² to a high of 5.41 kWh/m² in May across the year — July's 5.08 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Katori-shi

In seasonPeak

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

Katori-shi 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 Katori-shi?

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

5.8
Sightseeing
4th-best month of the year
5.9
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Katori-shi for sightseeing.

What to pack for Katori-shi in July

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

In July, Katori-shi sees daytime highs around 27°C and nights near 22°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

Sea temperature near Katori-shi 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 28 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 Katori-shi 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 Katori-shi peaks around August 12 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 highModerateAug 12UV 10Dec 23UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Katori-shi 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 Katori-shi 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 Katori-shi?

Katori-shi sits at 35.9°N, 140.5°E, 6 m above sea level, in Japan. The nearest listed city is Sawara, 2.0 km away.

Topography around Katori-shi

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

Within 3 km, the terrain around Katori-shi has only modest variations in elevation — a maximum elevation change of 59 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 70 m; within 80 km, large variations in elevation — a maximum elevation change of 840 m.

The land around Katori-shi is covered by cropland (38%), trees (23%) and artificial surfaces (23%) within 3 km, cropland (35%) and trees (31%) within 16 km, and water (36%) and trees (25%) within 80 km.

3 km
59 m
16 km
70 m
80 km
840 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Sawara 2.0 km · Itako 6.0 km · Omigawa 12 km · Namegata 12 km · Kamisu 15 km · Kashima-shi 15 km · Inashiki 17 km · Edosaki 17 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 Katori-shi (35.8977°, 140.4994°, elevation 6 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).