Berastagi in Summer

In summer (June, July and August), Berastagi sees average daytime highs around 27°C and overnight lows near 18°C, with 589 mm of rain over about 76 wet days across the season. It is the warmest season of the year and the driest season of the year.

Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 3% of the time across summer, and the air most often feels muggy.

Summer is Berastagi's best season of the year to visit on our travel score. Berastagi 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 Berastagi's year-round climate.

Avg daytime high
27°C
warmest season of the year
Avg overnight low
18°C
Rainfall
589 mm
76 wet days
Avg wind
4 km/h
Travel score
4.0
best season of the year
Months
Jun · Jul · Aug

Temperature in Berastagi in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 27°C.

A typical summer day in Berastagi reaches about 27°C and drops to 18°C overnight. The warmest of the three months is June, the coolest July.

15°20°25°30°JunJulAug

Berastagi weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 18°23828.411.83.7
Feb26° / 18°19625.111.93.8
Mar27° / 18°22628.5123.6
Apr27° / 19°26129.212.13.3
May28° / 19°23827.612.13.6
Jun28° / 19°18224.512.24.0
Jul27° / 18°18224.512.24.1
Aug27° / 18°22526.512.13.8
Sep27° / 18°28828.4123.5
Oct26° / 18°33429.611.93.4
Nov26° / 19°34629.611.93.3
Dec26° / 19°34030.111.83.4

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Berastagi gets around 589 mm of rain over 76 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 4 km/h across summer.

0246810JunJulAug

Sunrise & sunset in Summer

DaylightNight

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

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 5.1 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Berastagi?

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

4.0
Sightseeing
1st-best month of the year
4.1
Beach & pool
1st-best month of the year

summer is a weaker month for outdoor sightseeing in Berastagi.

What to pack for Berastagi in Summer

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

In summer, Berastagi sees daytime highs around 27°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 76 days see rain.

light clothesrain gearsun protection

UV index in Berastagi in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 Berastagi peaks around February 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 15Jun 20UV 11
UV index (midday)Level
Jan13Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep14Extreme
Oct13Extreme
Nov11Extreme
Dec12Extreme

Air quality in Berastagi in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Berastagi is worst in March — around 25 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 1425 µg/m³Dec 1218 µg/m³
PM2.5 (µg/m³)Level
Jan21Moderate
Feb24Moderate
Mar25Moderate
Apr23Moderate
May21Moderate
Jun21Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct23Moderate
Nov19Moderate
Dec18Moderate
Location & terrain

Where is Berastagi?

Berastagi sits at 3.2°N, 98.5°E, 1,402 m above sea level, in Indonesia. The nearest listed city is Kabanjahe, 11 km away.

Topography around Berastagi

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

Within 3 km, the terrain around Berastagi has significant variations in elevation — a maximum elevation change of 496 m around an average of 1,430 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,068 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,477 m.

The land around Berastagi is covered by trees (44%) and cropland (23%) within 3 km, trees (72%) within 16 km, and trees (78%) within 80 km.

3 km
496 m
16 km
2,068 m
80 km
2,477 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
Summer weather nearby: Kabanjahe 11 km · Tongging 33 km · Paropo 37 km · Deli Tua 40 km · Sunggal 44 km · Binjai 45 km · Medan 47 km · Sidikalang 54 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 Berastagi (3.1947°, 98.5089°, elevation 1,402 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.