How many sunny days does Pematangsiantar have per year?

Pematangsiantar averages approximately 94 sunny days per year, based on historical climate data.

What is the air quality in Pematangsiantar?

Pematangsiantar has an annual PM2.5 concentration of 19.7 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.

North Sumatra

Pematangsiantar · Indonesia

A city in Indonesia.

Medium city

448K

69 km²

388m

11:05 UTC+7

IDR

Explore on map →Climate twin →

Pematangsiantar, Indonesia is a 448K-resident city with 94 sunny days and 0 frost days annually and an annual PM2.5 of 19.7 µg/m³. A city in Indonesia.

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Climate

Feels-like °C

Dinner outside

Climate Lab·Pematangsiantar

Monthly climate metrics across temperature, precipitation, wind, and UV.

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Metric	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Temperature
Daily high°C	29	29	29	29	30	29	30	29	29	28	28	28	29
Daily mean°C	25	25	26	26	26	26	26	26	25	25	25	25	25
Daily low°C	22	22	22	23	23	23	23	23	22	22	22	22	22
Thermal comfort
High feelsDaily high feels-like°C	33	33	34	34	35	34	35	34	34	34	33	33	34
Mean feelsDaily mean feels-like°C	28	30	30	30	30	30	30	29	29	29	28	28	29
Low feelsDaily low feels-like°C	22	22	22	23	24	23	23	23	23	23	23	22	23
Humidity
HumidityRelative humidity%	86	85	85	86	85	86	87	88	86	87	89	88	86
Dewpoint°C	21.9	22.1	22.5	22.9	23.2	23.1	22.9	22.7	22.6	22.5	22.7	22.4	22.6
Precipitation
Rainfallmm	284	147	230	205	284	252	142	278	289	335	330	234	3008
Rain days≥1mm	27	24	28	27	28	29	27	30	29	31	30	29	339
Wind
Wind avgm/s	1.2	1.3	1.2	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.2	1.1
Wind gustsm/s	2.5	2.6	2.5	2.2	2.1	2.1	2.2	2.2	2.1	2.1	2.3	2.7	2.3
Sun & UV
Sunshinehrs/day	8.9	9.2	8.9	8.0	8.7	9.0	9.0	8.0	8.0	7.0	6.0	7.0	8.1
Clear skyindex	19%	30%	29%	22%	23%	26%	28%	24%	22%	18%	16%	16%	23%
UV indexmax avg	7.9	9.1	9.3	8.2	8.3	8.3	8.7	9.2	9.2	8.6	7.3	6.9	8.4

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Lifestyle Calendar·Pematangsiantar

Outdoor activities in Pematangsiantar are challenging most of the year. April through November are the toughest stretch. Dinner outside works 4/12 months, while even walking manages 3/12 months.

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Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Annual

4/12

Dinner Outside

70Jan: 70% viability

70Feb: 70% viability

66Mar: 66% viability

61Apr: 61% viability

56May: 56% viability

60Jun: 60% viability

60Jul: 60% viability

62Aug: 62% viability

64Sep: 64% viability

63Oct: 63% viability

62Nov: 62% viability

65Dec: 65% viability

4/12

Dinner Outside

70Jan: 70% viability

70Feb: 70% viability

66Mar: 66% viability

61Apr: 61% viability

56May: 56% viability

60Jun: 60% viability

60Jul: 60% viability

62Aug: 62% viability

64Sep: 64% viability

63Oct: 63% viability

62Nov: 62% viability

65Dec: 65% viability

63%

Humid

0/12

Lunch Outside

26Jan: 26% viability

29Feb: 29% viability

23Mar: 23% viability

18Apr: 18% viability

19May: 19% viability

18Jun: 18% viability

25Jul: 25% viability

19Aug: 19% viability

17Sep: 17% viability

17Oct: 17% viability

12Nov: 12% viability

17Dec: 17% viability

0/12

Lunch Outside

26Jan: 26% viability

29Feb: 29% viability

23Mar: 23% viability

18Apr: 18% viability

19May: 19% viability

18Jun: 18% viability

25Jul: 25% viability

19Aug: 19% viability

17Sep: 17% viability

17Oct: 17% viability

12Nov: 12% viability

17Dec: 17% viability

20%

Humid

3/12

Walking

69Jan: 69% viability

66Feb: 66% viability

47Mar: 47% viability

41Apr: 41% viability

32May: 32% viability

37Jun: 37% viability

40Jul: 40% viability

50Aug: 50% viability

49Sep: 49% viability

48Oct: 48% viability

63Nov: 63% viability

76Dec: 76% viability

3/12

Walking

69Jan: 69% viability

66Feb: 66% viability

47Mar: 47% viability

41Apr: 41% viability

32May: 32% viability

37Jun: 37% viability

40Jul: 40% viability

50Aug: 50% viability

49Sep: 49% viability

48Oct: 48% viability

63Nov: 63% viability

76Dec: 76% viability

52%

Humid

0/12

Running

26Jan: 26% viability

19Feb: 19% viability

15Mar: 15% viability

13Apr: 13% viability

11May: 11% viability

10Jun: 10% viability

13Jul: 13% viability

18Aug: 18% viability

18Sep: 18% viability

21Oct: 21% viability

36Nov: 36% viability

42Dec: 42% viability

0/12

Running

26Jan: 26% viability

19Feb: 19% viability

15Mar: 15% viability

13Apr: 13% viability

11May: 11% viability

10Jun: 10% viability

13Jul: 13% viability

18Aug: 18% viability

18Sep: 18% viability

21Oct: 21% viability

36Nov: 36% viability

42Dec: 42% viability

20%

Humid

Tap any month for details · Click activity name for overview

ComfortableModerateUncomfortable

Based on 2014–2024 hourly climate data · Updated Mar 2025

Confidence: High

Pematangsiantar · Indonesia

Climate

Climate Lab·Pematangsiantar

Lifestyle Calendar·Pematangsiantar

Air Quality Profile

Air Quality Profile

Who thrives in Pematangsiantar

Things to consider in Pematangsiantar

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Frequently asked about Pematangsiantar

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