Pematangsiantar weather in March

In March, Pematangsiantar sees average daytime highs of 29°C and overnight lows near 21°C, with 217 mm of rain across 26.5 wet days and about 12 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 3% of the time in March, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of March to 12 hours by month's end. Set against the rest of the year, March is Pematangsiantar's 4th-clearest and 4th-windiest month. For the whole year in context, see Pematangsiantar's year-round climate.

Daytime high
29°
5th warmest
Overnight low
21°
8th coldest
Rainfall
217 mm
26.5 wet days
Daylight
12 hours
6:34 AM – 6:33 PM
Cloud cover
85%
4th clearest
Wind
4 km/h
4th windiest
Solar energy
5.21 kWh/m²
Travel score
3.3
out of 10

Pematangsiantar is city in North Sumatra Province, Indonesia.

Density
3,491/km²
people per km²
Founded
1871

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical March day in Pematangsiantar reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, March runs on par with February and on par with April.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12921
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232921
242921
252921
262921
272921
282921
292921
302921
312921

How March really feels in Pematangsiantar

Once humidity and wind are folded in, March averages 18 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
18
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Pematangsiantar weather by month

How March compares with the rest of the year at a glance. March is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°24027.911.83.5
Feb28° / 21°18924.111.93.4
Mar29° / 21°21726.5123.3
Apr29° / 22°24928.612.12.8
May30° / 22°26529.212.12.8
Jun30° / 22°23127.112.23.0
Jul29° / 21°23726.712.23.2
Aug29° / 21°27428.812.13.0
Sep29° / 21°36129.4122.9
Oct28° / 21°37530.211.92.9
Nov28° / 21°35129.411.93.2
Dec28° / 21°31529.611.83.3

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 8% of March, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11387
21387
31486
41486
51387
61387
71387
81387
91486
101585
111585
121585
131486
141387
151387
161387
171387
181387
191288
201189
211189
221090
231090
24991
25991
26793
27793
28694
29694
30694
31694

Chance of precipitation in March

Any precipitation

Pematangsiantar gets around 217 mm of rain over 26.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 86% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
183
283
382
482
582
682
782
881
981
1081
1182
1282
1382
1483
1583
1684
1785
1885
1986
2087
2188
2288
2389
2490
2591
2692
2792
2892
2993
3093
3193

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the oppressive band about 83% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)
13169
23070
32971
42872
52773
62674
72575
82476
92377
102278
112179
122080
131981
141882
151783
161684
171585
181486
191387
201288
211288
221189
231090
24991
25892
26892
27892
28793
29793
30793
31793

Wind in March

Winds average 4 km/h in March.

Across March, 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 March

DaylightNight

Daylight runs from about 11 h 54 min at the start of March to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over March. Sunrise moves from 6:39 AM to 6:28 AM, and sunset from 6:35 PM to 6:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:396:35
211.96:396:35
311.96:386:35
411.96:386:35
511.96:386:35
612.06:376:35
712.06:376:34
812.06:376:34
912.06:366:34
1012.06:366:34
1112.06:366:34
1212.06:356:34
1312.06:356:33
1412.06:356:33
1512.06:346:33
1612.06:346:33
1712.06:346:33
1812.06:336:32
1912.06:336:32
2012.06:326:32
2112.06:326:32
2212.06:326:31
2312.06:316:31
2412.06:316:31
2512.06:306:31
2612.06:306:31
2712.06:306:30
2812.06:296:30
2912.06:296:30
3012.06:286:30
3112.06:286:29

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.21 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.99 kWh/m² to a high of 5.21 kWh/m² in March across the year — March's 5.21 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
315.1Bright
Planning a trip in March

Hazard calendar for Pematangsiantar

In seasonPeak

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

Pematangsiantar 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 March a good time to visit Pematangsiantar?

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

3.3
Sightseeing
3rd-best month of the year
4.2
Beach & pool
1st-best month of the year

March is a weaker month for outdoor sightseeing in Pematangsiantar.

What to pack for Pematangsiantar in March

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

In March, Pematangsiantar sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Pematangsiantar in March

The nearest coast averages about 29°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 57 km away) is warmest in June 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
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Pematangsiantar in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pematangsiantar peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 20UV 10
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct14Extreme
Nov11Extreme
Dec11Extreme

Air quality in Pematangsiantar in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Pematangsiantar is worst in October — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModeratePoorModerateOct 1039 µg/m³Dec 1729 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb35Moderate
Mar38Poor
Apr36Poor
May34Moderate
Jun33Moderate
Jul33Moderate
Aug34Moderate
Sep39Poor
Oct40Poor
Nov31Moderate
Dec29Moderate
Location & terrain

Where is Pematangsiantar?

Pematangsiantar sits at 3.0°N, 99.1°E, 388 m above sea level, in Indonesia. The nearest listed city is Pekan Bahapal, 21 km away.

Topography around Pematangsiantar

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

Within 3 km, the terrain around Pematangsiantar has only modest variations in elevation — a maximum elevation change of 130 m around an average of 382 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,193 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,429 m.

The land around Pematangsiantar is covered by artificial surfaces (56%) and trees (30%) within 3 km, trees (77%) within 16 km, and trees (70%) within 80 km.

3 km
130 m
16 km
1,193 m
80 km
2,429 m
treesgrasslandcroplandartificial surfaceswater
March weather nearby: Pekan Bahapal 21 km · Tebingtinggi 42 km · Pangururan 57 km · Kisaran 61 km · Tongging 61 km · Paropo 62 km · Kabanjahe 66 km · Berastagi 67 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 Pematangsiantar (2.9595°, 99.0687°, elevation 388 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).