Galesong climate — normals and trends
Galesong (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 27.1 °C and it receives 3,462 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 (27.6 °C on average) and the coldest is January (26.6 °C). Rainfall peaks in January.
Galesong averages 0 frost days, 1 hot days (≥ 30 °C) and 182 rainy days per year.
Galesong has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The hottest day of the period reached 30.8 °C (on 21 November 2023) and the coldest 23.2 °C (on 22 September 1958).
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
GalesongSouth Sulawesi
- coords
- -5.32°, 119.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
27.1°C
Average daily high
28.0°C
Average daily low
26.2°C
Annual rainfall
3,462mm
Sunshine / day
10.0h
Mean relative humidity
80%
Average peak wind
18.6km/h
Seasonal range
1.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
1 d/yr
Rainy days (≥ 1 mm)
182 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.9 °C
Average feels-like low
30.0 °C
Average peak gust
27.6 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.65 · 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
30.8 °C
21 November 2023
Coldest day
23.2 °C
22 September 1958
Wettest day
175 mm
14 February 1982
Windiest day
47.4 km/h
9 January 2013
Strongest gust
70.6 km/h
10 January 2013
Hottest feels-like
38.0 °C
3 December 2017
Coldest feels-like
24.0 °C
30 July 1967
Sunniest day
12.0 h
29 January 1976
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 | 27.8 °C | +0.3 °C | 931 mm | +75 mm |
| Feb | 28.2 °C | +0.6 °C | 637 mm | -84 mm |
| Mar | 28.6 °C | +0.8 °C | 591 mm | +61 mm |
| Apr | 28.6 °C | +0.3 °C | 428 mm | +228 mm |
| May | 29.2 °C | +0.7 °C | 87 mm | +18 mm |
| Jun | 28.5 °C | +0.4 °C | 104 mm | +69 mm |
| Jul | 28.4 °C | +0.6 °C | 52 mm | +33 mm |
| Aug | 28.5 °C | +0.7 °C | 5 mm | -4 mm |
| Sep | 28.9 °C | +0.8 °C | 7 mm | -1 mm |
| Oct | 28.9 °C | +0.4 °C | 112 mm | +79 mm |
| Nov | 28.6 °C | +0.3 °C | 631 mm | +426 mm |
| Dec | 28.1 °C | +0.4 °C | 865 mm | +86 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 Galesong?
Galesong has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 27.1 °C and it receives 3,462 mm of precipitation per year.
What is the hottest day ever recorded in Galesong?
The hottest day measured in Galesong between 1940 and 2025 was 21 November 2023, reaching 30.8 °C.
What is the coldest day in Galesong?
The coldest day measured in Galesong between 1940 and 2025 was 22 September 1958, at 23.2 °C.
Does it snow in Galesong?
Almost never: Galesong sees virtually no snow, with about 0 frost days per year.
Has the climate of Galesong warmed?
Yes: Galesong warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Galesong?
The wettest day measured in Galesong between 1940 and 2025 was 14 February 1982, with 175 mm of rain in 24 hours.
What was the windiest day in Galesong?
The windiest day measured in Galesong between 1940 and 2025 was 9 January 2013, with winds reaching 47.4 km/h.
What is the warmest month in Galesong?
The warmest month in Galesong is May (27.6 °C on average); the coldest is January (26.6 °C).
How much does it rain in Galesong?
Galesong receives on average 3,462 mm of precipitation per year, spread over about 182 rainy days.
Is it sunny in Galesong?
Galesong gets on average 10.0 hours of sunshine per day, roughly 3,650 hours per year over 1940-2025.
Are there tropical nights in Galesong?
Yes: Galesong has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Galesong?
In Galesong, between 1940 and 2025, the highest apparent temperature reached 38.0 °C on 3 December 2017, and the lowest was 24.0 °C on 30 July 1967.
Compare Galesong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Galesong