Bandar in Spring

In spring (March, April and May), Bandar sees average daytime highs around 31°C and overnight lows near 23°C, with 694 mm of rain over about 83 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.

Across spring, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 2% of the time across spring, and the air most often feels oppressive.

Spring is Bandar's weakest season of the year to visit on our travel score. Bandar has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Bandar's year-round climate.

Avg daytime high: 31°C; 2nd-warmest season
Avg overnight low: 23°C
Rainfall: 694 mm; 83 wet days
Avg wind: 3 km/h
Travel score: 2.6; weakest season of the year
Months: Mar · Apr · May

← Winter Bandar year-round climate Summer →

Spring Summer Fall Winter

Temperature in Bandar in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 31°C.

A typical spring day in Bandar reaches about 31°C and drops to 23°C overnight. The warmest of the three months is May, the coolest March.

How spring really feels in Bandar

Once humidity and wind are folded in, spring brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Bandar weather by month

How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	30° / 22°	231	27.1	11.9	3.0
Feb	30° / 22°	182	23.8	11.9	2.9
Mar	31° / 22°	228	27.6	12	2.6
Apr	31° / 23°	254	28.4	12	2.4
May	31° / 23°	212	26.5	12.1	2.7
Jun	31° / 23°	150	20.8	12.1	3.1
Jul	31° / 22°	158	21.3	12.1	3.1
Aug	31° / 22°	193	24.5	12.1	2.8
Sep	31° / 22°	258	26.5	12	2.7
Oct	30° / 22°	299	28.5	12	2.7
Nov	30° / 22°	344	29.2	11.9	2.6
Dec	29° / 22°	323	28.9	11.9	2.8

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time across spring.

Chance of precipitation in Spring

Any precipitation

Bandar gets around 694 mm of rain over 83 wet days across spring. The line is the day-by-day chance of measurable precipitation.

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Spring

Winds average 3 km/h across spring.

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 12 hours in early March to 12 h 06 min by late May. The lit band spans sunrise to sunset each day.

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.0 kWh/m².

Planning a trip in spring

Is spring a good time to visit Bandar?

Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.6

Sightseeing

4th-best month of the year

3.8

Beach & pool

3rd-best month of the year

spring is a weaker month for outdoor sightseeing in Bandar.

What to pack for Bandar in Spring

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

In spring, Bandar sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 83 days see rain.

light clothesrain gearsun protection

UV index in Bandar in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages 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 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	13	15	15	14	12	10	11	12	14	14	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	13	Extreme
Feb	15	Extreme
Mar	15	Extreme
Apr	14	Extreme
May	12	Extreme
Jun	10	Extreme
Jul	11	Extreme
Aug	12	Extreme
Sep	14	Extreme
Oct	14	Extreme
Nov	12	Extreme
Dec	12	Extreme

Air quality in Bandar in Spring

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where spring 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).

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	26	30	33	31	29	27	30	32	36	37	26	25
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	26	Moderate
Feb	30	Moderate
Mar	33	Moderate
Apr	31	Moderate
May	29	Moderate
Jun	27	Moderate
Jul	30	Moderate
Aug	32	Moderate
Sep	36	Poor
Oct	37	Poor
Nov	26	Moderate
Dec	25	Moderate

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

trees 97%

16 km

1,107 m

trees 96%

80 km

2,257 m

trees 91%

treesgrasslandcroplandartificial surfaceswater

← Winter Bandar year-round climate Summer →

Spring 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

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.