Tanjungbalai weather in July

In July, Tanjungbalai sees average daytime highs of 31°C and overnight lows near 25°C, with 177 mm of rain across 22.9 wet days and about 12.2 hours of daylight. It is the 5th-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 6% of the time in July, and the air most often feels miserable.

Daylight stretches from about 12 h 12 min at the start of July to 12 h 06 min by month's end. Set against the rest of the year, July is Tanjungbalai's 3rd-clearest and 6th-windiest month. For the whole year in context, see Tanjungbalai's year-round climate.

Daytime high
31°
5th warmest
Overnight low
25°
9th coldest
Rainfall
177 mm
22.9 wet days
Daylight
12 h 12 min
6:22 AM – 6:31 PM
Cloud cover
81%
3rd clearest
Wind
6 km/h
6th windiest
Solar energy
5.3 kWh/m²
Travel score
3.0
out of 10

Tanjungbalai is city in North Sumatra Province, Indonesia.

Density
3,155/km²
people per km²
Founded
1620

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Tanjungbalai reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°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.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How July really feels in Tanjungbalai

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
28 feel dangerously hot (≥ 39°C)
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.

Tanjungbalai weather by month

How July compares with the rest of the year at a glance. July is the 5th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 24°21526.111.83.0
Feb31° / 25°1572211.93.0
Mar31° / 25°19225.5122.7
Apr31° / 25°23328.312.12.3
May32° / 25°23527.412.12.4
Jun32° / 25°17122.512.22.8
Jul31° / 25°17722.912.23.0
Aug31° / 25°21625.712.12.7
Sep31° / 25°28228.2122.5
Oct30° / 25°33329.611.92.5
Nov30° / 25°36729.511.92.5
Dec30° / 24°33328.411.82.8

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 10% of July, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11981
21981
31882
41882
51783
61783
71783
81684
91684
101684
111684
121585
131585
141585
151486
161486
171585
181585
191585
201585
211585
221684
231684
241783
251783
261783
271783
281783
291783
301585
311684

Chance of precipitation in July

Any precipitation

Tanjungbalai gets around 177 mm of rain over 22.9 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 73% and peaks near 74% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
172
272
372
473
573
673
773
873
973
1073
1173
1273
1373
1473
1573
1674
1774
1874
1974
2074
2174
2274
2374
2474
2574
2674
2773
2873
2973
3073
3173

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the miserable band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1595
2595
3595
4694
5694
6694
7694
8694
9694
10595
11595
12595
13595
14496
15496
16496
17496
18496
19496
20496
21496
22496
23496
24595
25595
26595
27595
28595
29595
30595
31595

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 6 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
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 12 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 shrink by about 6 minutes over July. Sunrise moves from 6:19 AM to 6:23 AM, and sunset from 6:29 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:196:29
212.26:196:29
312.26:196:30
412.26:206:30
512.26:206:30
612.26:206:30
712.26:206:30
812.26:206:30
912.26:216:30
1012.26:216:31
1112.26:216:31
1212.26:216:31
1312.26:216:31
1412.26:216:31
1512.26:226:31
1612.26:226:31
1712.26:226:31
1812.26:226:31
1912.26:226:31
2012.26:226:31
2112.16:226:31
2212.16:226:31
2312.16:236:31
2412.16:236:31
2512.16:236:31
2612.16:236:31
2712.16:236:31
2812.16:236:31
2912.16:236:31
3012.16:236:31
3112.16:236:31

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.3 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 5.6 kWh/m² in March across the year — July's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.2Bright
45.2Bright
55.2Bright
65.2Bright
75.2Bright
85.2Bright
95.2Bright
105.2Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in July

Hazard calendar for Tanjungbalai

In seasonPeak

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

Tanjungbalai sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

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

Is July a good time to visit Tanjungbalai?

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

3.0
Sightseeing
1st-best month of the year
4.5
Beach & pool
1st-best month of the year

July is a weaker month for outdoor sightseeing in Tanjungbalai.

What to pack for Tanjungbalai in July

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

In July, Tanjungbalai sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near Tanjungbalai in July

The nearest coast averages about 30°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 19 km away) is warmest in May at about 30°C and coldest in January near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec29Tropical

UV index in Tanjungbalai 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 Tanjungbalai peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 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 14Jun 19UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec11Extreme

Air quality in Tanjungbalai 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 Tanjungbalai is worst in September — around 30 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1630 µg/m³Dec 1019 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb25Moderate
Mar27Moderate
Apr25Moderate
May25Moderate
Jun23Moderate
Jul27Moderate
Aug28Moderate
Sep30Moderate
Oct28Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Tanjungbalai?

Tanjungbalai sits at 3.0°N, 99.8°E, 4 m above sea level, in Indonesia. The nearest listed city is Teluk Nibung, 4.0 km away.

Topography around Tanjungbalai

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

Within 3 km, the terrain around Tanjungbalai has only modest variations in elevation — a maximum elevation change of 17 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,136 m.

The land around Tanjungbalai is covered by trees (59%) and artificial surfaces (25%) within 3 km, trees (74%) within 16 km, and trees (56%) and water (37%) within 80 km.

3 km
17 m
16 km
37 m
80 km
2,136 m
treesgrasslandcroplandartificial surfaceswatermangroves
July weather nearby: Teluk Nibung 4.0 km · Kisaran 21 km · Pekan Bahapal 71 km · Pematangsiantar 81 km · Tebingtinggi 81 km · Rantauprapat 96 km · Bandar 102 km · Perbaungan 115 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 Tanjungbalai (2.9667°, 99.8°, elevation 4 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).