Annual mean 27°C · wettest around December · prevailing wind N
Warmest
31.4 °C
Coldest
29.3 °C
Wettest
58%
Windiest
3.6 m/s
Prevailing
N
3.1 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Pematangsiantar over the whole year is 27°C. April is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 24°C. Pematangsiantar has no sharply defined rainy season: the chance of rain on a given day runs from 45% in July, the driest month, to 57% in December, the wettest. Winds in Pematangsiantar are highest in February, averaging 2.0 m/s (7 km/h), and lightest in January, at 1.8 m/s (6 km/h). The prevailing wind is from the N. The clearest skies in Pematangsiantar come in February, when the sky is typically 64% covered; September is the cloudiest month, at 72%.
Month by month Pematangsiantar climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
30°C
24°C
34°C
53%
67%
1.8 m/s
1
35
0
February
31°C
24°C
34°C
48%
64%
2.0 m/s
1
32
0
March
31°C
25°C
35°C
48%
66%
2.0 m/s
1
23
0
April
31°C
25°C
35°C
47%
67%
1.9 m/s
0
17
0
May
31°C
25°C
36°C
52%
68%
1.8 m/s
0
12
0
June
31°C
25°C
35°C
49%
67%
1.9 m/s
1
18
0
July
31°C
25°C
35°C
45%
66%
1.9 m/s
1
21
0
August
31°C
25°C
34°C
48%
68%
1.9 m/s
1
24
0
September
30°C
25°C
34°C
52%
72%
1.9 m/s
1
26
0
October
30°C
25°C
34°C
54%
71%
1.8 m/s
1
30
0
November
30°C
25°C
34°C
51%
71%
1.8 m/s
1
32
0
December
29°C
24°C
33°C
57%
69%
1.8 m/s
2
36
0
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Pematangsiantar weather by season
Year round, Pematangsiantar has days of about 29°C at their warmest in December, its coolest month, and 31°C in April, its warmest; the coolest hours of the day run from 24°C to 25°C through the year, and the average temperature over the year is 27°C around the clock. Rain is most likely around December and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Pematangsiantar weather in winterDecember to February
High 30°CLow 24°CRain 53%
Winter in Pematangsiantar has typical daily highs of about 30°C and lows of about 24°C, with a 53% chance of rain on a given day.
Pematangsiantar weather in springMarch to May
High 31°CLow 25°CRain 49%
Spring in Pematangsiantar has typical daily highs of about 31°C and lows of about 25°C, with a 49% chance of rain on a given day.
Pematangsiantar weather in summerJune to August
High 31°CLow 25°CRain 47%
Summer in Pematangsiantar has typical daily highs of about 31°C and lows of about 25°C, with a 47% chance of rain on a given day.
Pematangsiantar weather in autumnSeptember to November
High 30°CLow 25°CRain 52%
Autumn in Pematangsiantar has typical daily highs of about 30°C and lows of about 25°C, with a 52% chance of rain on a given day.
When is the rainy season in Pematangsiantar?
Pematangsiantar has no sharply defined rainy season: the chance of rain on a given day runs from 45% in July, the driest month, to 57% in December, the wettest.
What time of year is Pematangsiantar windiest?
Winds in Pematangsiantar are highest in February, averaging 2.0 m/s (7 km/h), and lightest in January, at 1.8 m/s (6 km/h). The prevailing wind is from the N.
What is the average temperature in Pematangsiantar year round?
The average temperature in Pematangsiantar over the whole year is 27°C. April is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 24°C.