Climate Insights for Berastagi

Kabupaten Karo, North Sumatra, Indonesia

Hottest
December
31°C peak
Coldest
December
24°C low
Wettest
December
33mm rain
Best to Visit
January
Mild temps & low rain

Climate Overview

The climate in Berastagi is hot. The average annual temperature is 27°C and approximately 376mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Berastagi sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 25° Average: 25° Min: 24° Feb Max: 27° Average: 26° Min: 26° Mar Max: 27° Average: 27° Min: 26° Apr Max: 28° Average: 27° Min: 26° May Max: 28° Average: 27° Min: 26° Jun Max: 29° Average: 28° Min: 26° Jul Max: 30° Average: 28° Min: 25° Aug Max: 31° Average: 28° Min: 26° Sep Max: 30° Average: 28° Min: 25° Oct Max: 27° Average: 26° Min: 24° Nov Max: 28° Average: 26° Min: 25° Dec Max: 31° Average: 27° Min: 24°
Max
Average
Min

Berastagi has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is December, when average highs reach 31°C and the mean temperature sits around 27°C. December is the coolest month, with minimum temperatures around 24°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Precipitation

0mm 25mm 50mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 26mm Feb Precipitation: 28mm Mar Precipitation: 33mm Apr Precipitation: 33mm May Precipitation: 33mm Jun Precipitation: 33mm Jul Precipitation: 30mm Aug Precipitation: 33mm Sep Precipitation: 29mm Oct Precipitation: 33mm Nov Precipitation: 33mm Dec Precipitation: 33mm
Precipitation

Berastagi is a quite dry location, receiving approximately 376mm of precipitation annually, which averages out to around 31mm per month. The wettest month is March, averaging 33mm of rainfall. April and May also tend to see above-average precipitation. The driest month is January, with just 26mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 6km/h Feb Wind Speed: 5km/h Mar Wind Speed: 2km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 4km/h Jul Wind Speed: 3km/h Aug Wind Speed: 4km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 1km/h
Wind Speed

Berastagi is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 5km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

23 days until Autumn

It is currently summer in Berastagi, which began on June 21, 2026. Berastagi sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in December at around 31°C, while the coldest stretch bottoms out in December near 24°C. Autumn is next, beginning on September 23, 2026 — 23 days from now.

Spring

Temperatures range from 26 to 28°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are generally light, averaging 3km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 25 to 31°C. Rainfall is relatively light, with around 96mm over the season and a monthly average of 32mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 30°C. Rainfall is relatively light, with around 95mm over the season and a monthly average of 32mm. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 24 to 31°C. Rainfall is relatively light, with around 87mm over the season and a monthly average of 29mm. Winds are generally light, averaging 4km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 25°
Feb 26°
Mar 27°
Apr 27°
May 27°
Jun 28°
Jul 28°
Aug 28°
Sep 28°
Oct 26°
Nov 26°
Dec 27°

The best time to visit Berastagi is during January, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 26mm per month. By contrast, December can be uncomfortably hot with highs reaching 31°C, while December is the coldest period with lows dropping to 24°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Berastagi based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
24 °C
25 °C
6 km/h
26 mm
0 cm
Feb
26 °C
27 °C
5 km/h
28 mm
0 cm
Mar
26 °C
27 °C
2 km/h
33 mm
0 cm
Apr
26 °C
28 °C
3 km/h
33 mm
0 cm
May
26 °C
28 °C
3 km/h
33 mm
0 cm
Jun
26 °C
29 °C
4 km/h
33 mm
0 cm
Jul
25 °C
30 °C
3 km/h
30 mm
0 cm
Aug Current
26 °C
31 °C
4 km/h
33 mm
0 cm
Sep
25 °C
30 °C
2 km/h
29 mm
0 cm
Oct
24 °C
27 °C
2 km/h
33 mm
0 cm
Nov
25 °C
28 °C
2 km/h
33 mm
0 cm
Dec
24 °C
31 °C
1 km/h
33 mm
0 cm
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Metric (°C, km/h)