Climate Insights for Pekan Bahapal

Kabupaten Simalungun, North Sumatra, Indonesia

Hottest
January
1°C peak
Coldest
May
0°C low
Wettest
December
9mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Pekan Bahapal is cold. The average annual temperature is 1°C and approximately 93mm of precipitation falls per year. December is the wettest month, receiving around 9mm of rainfall. Pekan Bahapal sits near the equator, so seasonal temperature differences are minimal throughout the year. Light snow can occur between April 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: 0° Jun Max: 1° Average: 1° Min: 0° 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

Pekan Bahapal has relatively stable temperatures year-round, staying within a 1°C range. January is the warmest month, though highs remain moderate at 1°C with a mean of 1°C. May is the coolest month, with minimum temperatures around 0°C and an average of 1°C. Daily temperature variation is modest, with an average difference of 0°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: 0mm Feb Precipitation: 8mm Snow: 0mm Mar Precipitation: 9mm Snow: 0mm Apr Precipitation: 9mm Snow: 1mm May Precipitation: 9mm Snow: 3mm Jun Precipitation: 8mm Snow: 3mm Jul Precipitation: 7mm Snow: 2mm Aug Precipitation: 6mm Snow: 2mm Sep Precipitation: 5mm Snow: 0mm Oct Precipitation: 6mm Snow: 0mm Nov Precipitation: 7mm Snow: 1mm Dec Precipitation: 9mm Snow: 2mm
Precipitation
Snow

Pekan Bahapal is a quite dry location, receiving approximately 93mm of precipitation annually, which averages out to around 8mm per month. The wettest month is December, averaging 9mm of rainfall. March and May also tend to see above-average precipitation. The driest month is September, with just 5mm. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Light snowfall can occur between April and December, totalling around 13cm annually. June is the snowiest month with approximately 3cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 5km/h Jun Wind Speed: 5km/h Jul Wind Speed: 5km/h Aug Wind Speed: 6km/h Sep Wind Speed: 6km/h Oct Wind Speed: 7km/h Nov Wind Speed: 8km/h Dec Wind Speed: 8km/h
Wind Speed

Pekan Bahapal is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 3km/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

22 days until Autumn

It is currently summer in Pekan Bahapal, which began on June 21, 2026. Pekan Bahapal sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in January at around 1°C, while the coldest stretch bottoms out in May near 0°C. Autumn is next, beginning on September 23, 2026 — 22 days from now.

Spring

Temperatures range from 0 to 1°C. Precipitation is minimal, with only around 28mm for the entire season. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 0 to 1°C. Precipitation is minimal, with only around 21mm for the entire season. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 1 to 1°C. Precipitation is minimal, with only around 18mm for the entire season. 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 27mm for the entire season. Winds are generally light, averaging 5km/h. A warm coat and layers are recommended, especially for early mornings and evenings.

Monthly Climate Data

The table below shows monthly climate averages for Pekan Bahapal 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
3 km/h
9 mm
0 cm
Feb
1 °C
1 °C
3 km/h
8 mm
0 cm
Mar
1 °C
1 °C
4 km/h
9 mm
0 cm
Apr
1 °C
1 °C
4 km/h
9 mm
1 cm
May
0 °C
1 °C
5 km/h
9 mm
3 cm
Jun
0 °C
1 °C
5 km/h
8 mm
3 cm
Jul
1 °C
1 °C
5 km/h
7 mm
2 cm
Aug
1 °C
1 °C
6 km/h
6 mm
2 cm
Sep Current
1 °C
1 °C
6 km/h
5 mm
0 cm
Oct
1 °C
1 °C
7 km/h
6 mm
0 cm
Nov
1 °C
1 °C
8 km/h
7 mm
1 cm
Dec
1 °C
1 °C
8 km/h
9 mm
2 cm
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Metric (°C, km/h)