Climate Insights for Tongging

Kabupaten Karo, North Sumatra, Indonesia

Hottest
June
1°C peak
Coldest
December
1°C low
Wettest
August
33mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Tongging is cold. The average annual temperature is 1°C and approximately 225mm of precipitation falls per year. August is the wettest month, receiving around 33mm of rainfall. Tongging sits near the equator, so seasonal temperature differences are minimal throughout the year. Light snow can occur between January and December.

Temperature

10° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 1° Average: 1° Min: 1° Feb Max: 1° Average: 1° Min: 1° Mar Max: 1° Average: 1° Min: 1° Apr Max: 1° Average: 1° Min: 1° May Max: 1° Average: 1° Min: 1° Jun Max: 1° Average: 1° Min: 1° Jul Max: 1° Average: 1° Min: 1° Aug Max: 1° Average: 1° Min: 1° Sep Max: 1° Average: 1° Min: 1° Oct Max: 1° Average: 1° Min: 1° Nov Max: 1° Average: 1° Min: 1° Dec Max: 1° Average: 1° Min: 1°
Max
Average
Min

Tongging has relatively stable temperatures year-round, staying within a 0°C range. June is the warmest month, though highs remain moderate at 1°C with a mean of 1°C. December is the coolest month, with minimum temperatures around 1°C and an average of 1°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Precipitation

0mm 25mm 50mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 9mm Snow: 2mm Feb Precipitation: 9mm Snow: 0mm Mar Precipitation: 8mm Snow: 0mm Apr Precipitation: 12mm Snow: 0mm May Precipitation: 21mm Snow: 0mm Jun Precipitation: 29mm Snow: 0mm Jul Precipitation: 33mm Snow: 5mm Aug Precipitation: 33mm Snow: 8mm Sep Precipitation: 27mm Snow: 5mm Oct Precipitation: 20mm Snow: 3mm Nov Precipitation: 13mm Snow: 3mm Dec Precipitation: 12mm Snow: 5mm
Precipitation
Snow

Tongging is a quite dry location, receiving approximately 225mm of precipitation annually, which averages out to around 19mm per month. The wettest month is July, averaging 33mm of rainfall. August and June also tend to see above-average precipitation. The driest month is March, with just 8mm. That's 25mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 30cm annually. August is the snowiest month with approximately 8cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 8km/h Feb Wind Speed: 9km/h Mar Wind Speed: 10km/h Apr Wind Speed: 10km/h May Wind Speed: 10km/h Jun Wind Speed: 10km/h Jul Wind Speed: 9km/h Aug Wind Speed: 9km/h Sep Wind Speed: 8km/h Oct Wind Speed: 7km/h Nov Wind Speed: 7km/h Dec Wind Speed: 7km/h
Wind Speed

Tongging is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

Seasons

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

22 days until Autumn

It is currently summer in Tongging, which began on June 21, 2026. Tongging sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in June at around 1°C, while the coldest stretch bottoms out in December near 1°C. Autumn is next, beginning on September 23, 2026 — 22 days from now.

Spring

Temperatures range from 1 to 1°C. Precipitation is minimal, with only around 40mm for the entire season. Winds are generally light, averaging 10km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 1 to 1°C. Rainfall is relatively light, with around 94mm over the season and a monthly average of 31mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 1 to 1°C. Rainfall is relatively light, with around 60mm over the season and a monthly average of 20mm. Expect around 11cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 1 to 1°C. Precipitation is minimal, with only around 31mm for the entire season. Expect around 7cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.

Monthly Climate Data

The table below shows monthly climate averages for Tongging 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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
1 °C
1 °C
8 km/h
9 mm
2 cm
Feb
1 °C
1 °C
9 km/h
9 mm
0 cm
Mar
1 °C
1 °C
10 km/h
8 mm
0 cm
Apr
1 °C
1 °C
10 km/h
12 mm
0 cm
May
1 °C
1 °C
10 km/h
21 mm
0 cm
Jun
1 °C
1 °C
10 km/h
29 mm
0 cm
Jul
1 °C
1 °C
9 km/h
33 mm
5 cm
Aug
1 °C
1 °C
9 km/h
33 mm
8 cm
Sep Current
1 °C
1 °C
8 km/h
27 mm
5 cm
Oct
1 °C
1 °C
7 km/h
20 mm
3 cm
Nov
1 °C
1 °C
7 km/h
13 mm
3 cm
Dec
1 °C
1 °C
7 km/h
12 mm
5 cm
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Metric (°C, km/h)