Kertosono weather in July

In July, Kertosono sees average daytime highs of 31°C and overnight lows near 22°C, with 15 mm of rain across 3.3 wet days and about 11.6 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 39% of the time in July, and the air most often feels muggy.

Daylight stretches from about 11 h 36 min at the start of July to 11 h 42 min by month's end. Set against the rest of the year, July is Kertosono's 2nd-clearest and 4th-windiest month. For the whole year in context, see Kertosono's year-round climate.

Daytime high
31°
7th warmest
Overnight low
22°
2nd coldest
Rainfall
15 mm
3.3 wet days
Daylight
11 h 36 min
5:49 AM – 5:25 PM
Cloud cover
51%
2nd clearest
Wind
6 km/h
4th windiest
Solar energy
5.17 kWh/m²
Travel score
5.1
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical July day in Kertosono reaches about 31°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 32°C. Set against its neighbours, July runs on par with June and on par with August.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223122
233122
243122
253122
263122
273121
283121
293121
303121
313121

How July really feels in Kertosono

Once humidity and wind are folded in, July averages 31 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
31
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.

Kertosono weather by month

How July compares with the rest of the year at a glance. July is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°3792912.42.4
Feb31° / 24°36827.312.22.3
Mar31° / 24°31828.212.12.4
Apr31° / 24°18122.711.82.9
May31° / 23°7812.511.74.1
Jun31° / 23°356.811.64.7
Jul31° / 22°153.311.65.1
Aug32° / 22°51.211.85.0
Sep33° / 22°142.1124.3
Oct33° / 23°618.712.23.4
Nov33° / 24°1681912.32.6
Dec32° / 24°32126.212.42.5

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 24% of July, with mostly cloudy or overcast conditions the remaining 36%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26040
36139
46139
56040
66040
76040
86040
96040
106040
116139
126139
136238
146337
156337
166436
176436
186436
196436
206634
216634
226733
236733
246733
256832
266832
276832
286832
296832
306931
316931

Chance of precipitation in July

Any precipitation

Kertosono gets around 15 mm of rain over 3.3 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 10% and peaks near 13% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
113
213
313
413
512
612
712
812
912
1012
1112
1212
1312
1411
1511
1611
1711
1811
1911
2010
2110
2210
239
249
258
268
278
287
297
306
316

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1446464
2447454
3548443
4549433
5550423
6550423
7552412
8651412
9651412
10652402
11653401
12654391
13654391
14654391
15654391
16655381
17656380
18657370
19658360
20659350
21660340
22760330
23761320
24762310
25764290
26864280
27865270
28966250
291066240
301067230
311167220

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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 11 h 36 min at the start of July to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over July. Sunrise moves from 5:48 AM to 5:48 AM, and sunset from 5:22 PM to 5:28 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.65:485:22
211.65:485:22
311.65:485:22
411.65:485:23
511.65:495:23
611.65:495:23
711.65:495:23
811.65:495:23
911.65:495:24
1011.65:495:24
1111.65:495:24
1211.65:495:24
1311.65:495:25
1411.65:495:25
1511.65:495:25
1611.65:495:25
1711.65:495:25
1811.65:495:26
1911.65:495:26
2011.65:495:26
2111.65:495:26
2211.65:495:26
2311.65:495:26
2411.65:495:27
2511.65:495:27
2611.65:495:27
2711.65:495:27
2811.65:485:27
2911.75:485:27
3011.75:485:27
3111.75:485:28

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.17 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 6.29 kWh/m² in September across the year — July's 5.17 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
315.5Bright
Planning a trip in July

Hazard calendar for Kertosono

In seasonPeak

None of Kertosono's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Kertosono's monsoon runs December–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Kertosono?

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

5.1
Sightseeing
1st-best month of the year
7.7
Beach & pool
2nd-best month of the year

July is a reasonable time to visit Kertosono for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Kertosono in July

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

In July, Kertosono sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Kertosono in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kertosono peaks around March 18 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 14 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeExtremeMar 18UV 13Jun 14UV 7
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar13Extreme
Apr11Extreme
May9Very high
Jun7High
Jul9Very high
Aug11Extreme
Sep13Extreme
Oct12Extreme
Nov10Very high
Dec12Extreme

Air quality in Kertosono 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 Kertosono is worst in May — around 64 µg/m³ PM2.5 (unhealthy), and holds fairly steady the rest of the year.

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorMay 1764 µg/m³Dec 2343 µg/m³
PM2.5 (µg/m³)Level
Jan44Poor
Feb45Poor
Mar53Poor
Apr59Unhealthy
May64Unhealthy
Jun60Unhealthy
Jul54Poor
Aug48Poor
Sep47Poor
Oct49Poor
Nov48Poor
Dec43Poor
Location & terrain

Where is Kertosono?

Kertosono sits at 7.6°S, 112.1°E, 43 m above sea level, in Indonesia. The nearest listed city is Diwek, 14 km away.

Topography around Kertosono

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

Within 3 km, the terrain around Kertosono has only modest variations in elevation — a maximum elevation change of 13 m around an average of 42 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 248 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,305 m.

The land around Kertosono is covered by cropland (52%), trees (23%) and artificial surfaces (22%) within 3 km, cropland (55%) and trees (28%) within 16 km, and trees (49%) and cropland (37%) within 80 km.

3 km
13 m
16 km
248 m
80 km
3,305 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Diwek 14 km · Jombang 15 km · Ngoro 21 km · Gampengrejo 21 km · Nganjuk 22 km · Pare 23 km · Kediri 28 km · Mojoagung 28 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Kertosono (-7.5833°, 112.1°, elevation 43 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. 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).