Singkil climate — normals and trends
Singkil (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.4 °C and it receives 3,662 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 (27.1 °C on average) and the coldest is October (25.9 °C). Rainfall peaks in November.
Singkil averages 0 frost days, 61 hot days (≥ 30 °C) and 297 rainy days per year.
Singkil has warmed by +1.5 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The hottest day of the period reached 33.3 °C (on 20 May 1998) and the coldest 22.2 °C (on 6 January 1951).
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
SingkilSpecial Region of Aceh
- coords
- 2.29°, 97.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.4°C
Average daily high
28.8°C
Average daily low
24.6°C
Annual rainfall
3,662mm
Sunshine / day
9.5h
Mean relative humidity
85%
Average peak wind
11.6km/h
Seasonal range
1.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
61 d/yr
Rainy days (≥ 1 mm)
297 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.2 °C
Average feels-like low
29.0 °C
Average peak gust
23.3 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.5 °C
since 1940
+0.2 °C per decade · r² = 0.83 · 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
33.3 °C
20 May 1998
Coldest day
22.2 °C
6 January 1951
Wettest day
277 mm
8 October 1997
Windiest day
35.5 km/h
25 November 2025
Strongest gust
60.1 km/h
25 November 2025
Hottest feels-like
41.0 °C
7 March 2016
Coldest feels-like
22.9 °C
16 September 1944
Sunniest day
12.1 h
13 June 1989
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 | 29.4 °C | +0.7 °C | 363 mm | +109 mm |
| Feb | 29.9 °C | +0.8 °C | 216 mm | -13 mm |
| Mar | 29.6 °C | +0.4 °C | 591 mm | +284 mm |
| Apr | 29.6 °C | +0.4 °C | 445 mm | +113 mm |
| May | 30.3 °C | +0.8 °C | 198 mm | -59 mm |
| Jun | 30.5 °C | +1.1 °C | 151 mm | -34 mm |
| Jul | 29.9 °C | +0.9 °C | 255 mm | +39 mm |
| Aug | 29.7 °C | +1.0 °C | 311 mm | +39 mm |
| Sep | 29.3 °C | +0.8 °C | 228 mm | -109 mm |
| Oct | 29.6 °C | +1.4 °C | 338 mm | -101 mm |
| Nov | 28.1 °C | 0.0 °C | 769 mm | +294 mm |
| Dec | 28.7 °C | +0.4 °C | 399 mm | +41 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 Singkil?
Singkil has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.4 °C and it receives 3,662 mm of precipitation per year.
What is the hottest day ever recorded in Singkil?
The hottest day measured in Singkil between 1940 and 2025 was 20 May 1998, reaching 33.3 °C.
What is the coldest day in Singkil?
The coldest day measured in Singkil between 1940 and 2025 was 6 January 1951, at 22.2 °C.
Does it snow in Singkil?
Almost never: Singkil sees virtually no snow, with about 0 frost days per year.
Has the climate of Singkil warmed?
Yes: Singkil warmed by +1.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Singkil?
The wettest day measured in Singkil between 1940 and 2025 was 8 October 1997, with 277 mm of rain in 24 hours.
What was the windiest day in Singkil?
The windiest day measured in Singkil between 1940 and 2025 was 25 November 2025, with winds reaching 35.5 km/h.
What is the warmest month in Singkil?
The warmest month in Singkil is May (27.1 °C on average); the coldest is October (25.9 °C).
How much does it rain in Singkil?
Singkil receives on average 3,662 mm of precipitation per year, spread over about 297 rainy days.
Is it sunny in Singkil?
Singkil gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Singkil?
Yes: Singkil has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Singkil?
In Singkil, between 1940 and 2025, the highest apparent temperature reached 41.0 °C on 7 March 2016, and the lowest was 22.9 °C on 16 September 1944.
Compare Singkil with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Singkil