Sinabang climate — normals and trends
Sinabang (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.8 °C and it receives 2,987 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is May (27.5 °C on average) and the coldest is November (26.2 °C). Rainfall peaks in November.
Sinabang averages 0 frost days, 1 hot days (≥ 30 °C) and 280 rainy days per year.
Sinabang has warmed by +1.0 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.5 °C (on 20 May 1998) and the coldest 23.4 °C (on 27 October 1950).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
SinabangSpecial Region of Aceh
- coords
- 2.48°, 96.38°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.8°C
Average daily high
27.7°C
Average daily low
25.9°C
Annual rainfall
2,987mm
Sunshine / day
9.5h
Mean relative humidity
81%
Average peak wind
15.5km/h
Seasonal range
1.3°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
280 d/yr
Annual snowfall
0.0 cm
Average feels-like high
33.1 °C
Average feels-like low
29.8 °C
Average peak gust
23.6 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
19.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.69 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
31.5 °C
20 May 1998
Coldest day
23.4 °C
27 October 1950
Wettest day
190 mm
20 May 2024
Windiest day
48.7 km/h
25 November 2025
Strongest gust
65.5 km/h
11 July 2021
Hottest feels-like
38.4 °C
18 April 2016
Coldest feels-like
24.7 °C
21 January 1993
Sunniest day
12.1 h
18 May 2003
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.2 °C | +0.6 °C | 277 mm | +69 mm |
| Feb | 28.5 °C | +0.6 °C | 115 mm | -63 mm |
| Mar | 28.5 °C | +0.5 °C | 390 mm | +150 mm |
| Apr | 28.5 °C | +0.5 °C | 256 mm | -2 mm |
| May | 28.9 °C | +0.6 °C | 223 mm | +9 mm |
| Jun | 29.0 °C | +0.7 °C | 124 mm | -33 mm |
| Jul | 28.5 °C | +0.6 °C | 215 mm | +21 mm |
| Aug | 28.4 °C | +0.8 °C | 252 mm | +26 mm |
| Sep | 28.0 °C | +0.6 °C | 207 mm | -64 mm |
| Oct | 28.3 °C | +1.2 °C | 316 mm | -40 mm |
| Nov | 27.6 °C | +0.5 °C | 591 mm | +201 mm |
| Dec | 27.9 °C | +0.7 °C | 248 mm | -49 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Sinabang?
Sinabang has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.8 °C and it receives 2,987 mm of precipitation per year.
What is the hottest day ever recorded in Sinabang?
The hottest day measured in Sinabang between 1940 and 2025 was 20 May 1998, reaching 31.5 °C.
What is the coldest day in Sinabang?
The coldest day measured in Sinabang between 1940 and 2025 was 27 October 1950, at 23.4 °C.
Does it snow in Sinabang?
Almost never: Sinabang sees virtually no snow, with about 0 frost days per year.
Has the climate of Sinabang warmed?
Yes: Sinabang warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Sinabang?
The wettest day measured in Sinabang between 1940 and 2025 was 20 May 2024, with 190 mm of rain in 24 hours.
What was the windiest day in Sinabang?
The windiest day measured in Sinabang between 1940 and 2025 was 25 November 2025, with winds reaching 48.7 km/h.
What is the warmest month in Sinabang?
The warmest month in Sinabang is May (27.5 °C on average); the coldest is November (26.2 °C).
How much does it rain in Sinabang?
Sinabang receives on average 2,987 mm of precipitation per year, spread over about 280 rainy days.
Is it sunny in Sinabang?
Sinabang gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Sinabang?
Yes: Sinabang has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Sinabang?
In Sinabang, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 18 April 2016, and the lowest was 24.7 °C on 21 January 1993.
Compare Sinabang with another city
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Nearby cities
The climate around Sinabang