Bandar weather in July

In July, Bandar sees average daytime highs of 31°C and overnight lows near 22°C, with 158 mm of rain across 21.3 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 11th-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 6% of the time in July, and the air most often feels oppressive.

Daylight stretches from about 12 h 06 min at the start of July to 12 h 06 min by month's end. Set against the rest of the year, July is Bandar's 2nd-clearest and 1st-windiest month. For the whole year in context, see Bandar's year-round climate.

Daytime high
31°
1st warmest
Overnight low
22°
4th coldest
Rainfall
158 mm
21.3 wet days
Daylight
12 h 06 min
6:23 AM – 6:30 PM
Cloud cover
80%
2nd clearest
Wind
4 km/h
1st windiest
Solar energy
5.04 kWh/m²
Travel score
3.1
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 Bandar reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, July runs on par with June and on par with August.

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
273122
283122
293122
303122
313222

How July really feels in Bandar

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.

Bandar weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 22°23127.111.93.0
Feb30° / 22°18223.811.92.9
Mar31° / 22°22827.6122.6
Apr31° / 23°25428.4122.4
May31° / 23°21226.512.12.7
Jun31° / 23°15020.812.13.1
Jul31° / 22°15821.312.13.1
Aug31° / 22°19324.512.12.8
Sep31° / 22°25826.5122.7
Oct30° / 22°29928.5122.7
Nov30° / 22°34429.211.92.6
Dec29° / 22°32328.911.92.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% 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 83%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21882
31882
41882
51882
61882
71882
81882
91783
101783
111783
121783
131684
141783
151783
161783
171783
181783
191783
201783
211783
221783
231783
241684
251684
261684
271684
281684
291684
301585
311585

Chance of precipitation in July

Any precipitation

Bandar gets around 158 mm of rain over 21.3 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 69% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
169
269
369
469
570
670
770
870
970
1070
1170
1270
1371
1471
1571
1671
1771
1870
1970
2069
2169
2268
2368
2467
2567
2667
2766
2866
2966
3067
3167

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 91% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
104933
214923
314923
414923
514923
614932
714932
815922
915922
1015922
1115922
1215922
1315922
1415922
1515922
1606922
1706922
1806922
1907912
2007912
2107912
2208911
2308911
2409901
2509901
26010891
27010891
28010891
29011881
30011881
31011872

Wind in July

Winds average 4 km/h in July, the windiest month of the year.

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 12 h 06 min at the start of July to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over July. Sunrise moves from 6:21 AM to 6:24 AM, and sunset from 6:28 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:216:28
212.16:216:28
312.16:216:28
412.16:216:28
512.16:226:29
612.16:226:29
712.16:226:29
812.16:226:29
912.16:226:29
1012.16:226:29
1112.16:236:29
1212.16:236:29
1312.16:236:30
1412.16:236:30
1512.16:236:30
1612.16:236:30
1712.16:236:30
1812.16:246:30
1912.16:246:30
2012.16:246:30
2112.16:246:30
2212.16:246:30
2312.16:246:30
2412.16:246:30
2512.16:246:30
2612.16:246:30
2712.16:246:30
2812.16:246:30
2912.16:246:30
3012.16:246:30
3112.16:246:30

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.04 kWh/m².

For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 5.15 kWh/m² in March across the year — July's 5.04 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
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.0Bright
185.0Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in July

Is July a good time to visit Bandar?

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

3.1
Sightseeing
1st-best month of the year
4.7
Beach & pool
1st-best month of the year

July is a weaker month for outdoor sightseeing in Bandar.

What to pack for Bandar in July

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

In July, Bandar sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Bandar in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Bandar peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 15Jun 18UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec12Extreme

Air quality in Bandar 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 Bandar is worst in October — around 37 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateOct 1037 µg/m³Dec 1725 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb30Moderate
Mar33Moderate
Apr31Moderate
May29Moderate
Jun27Moderate
Jul30Moderate
Aug32Moderate
Sep36Poor
Oct37Poor
Nov26Moderate
Dec25Moderate
Location & terrain

Where is Bandar?

Bandar sits at 2.0°N, 99.8°E, 73 m above sea level, in Indonesia. The nearest listed city is Rantauprapat, 11 km away.

Topography around Bandar

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

Within 3 km, the terrain around Bandar has significant variations in elevation — a maximum elevation change of 267 m around an average of 93 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,107 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,257 m.

The land around Bandar is covered by trees (97%) within 3 km, trees (96%) within 16 km, and trees (91%) within 80 km.

3 km
267 m
16 km
1,107 m
80 km
2,257 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Rantauprapat 11 km · Tarutung 87 km · Padangsidempuan 92 km · Tanjungbalai 102 km · Kisaran 105 km · Teluk Nibung 106 km · Sibolga 113 km · Pematangsiantar 126 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 Bandar (2.05°, 99.75°, elevation 73 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).