Gorontalo climate — normals and trends
Gorontalo (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.5 °C and it receives 2,107 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 October (25.8 °C on average) and the coldest is July (25.1 °C). Rainfall peaks in May.
Gorontalo averages 0 frost days, 3 hot days (≥ 30 °C) and 274 rainy days per year.
Gorontalo has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The hottest day of the period reached 31.1 °C (on 3 October 2023) and the coldest 20.7 °C (on 28 August 1965).
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
GorontaloGorontalo
- coords
- 0.54°, 123.06°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.5°C
Average daily high
27.7°C
Average daily low
23.8°C
Annual rainfall
2,107mm
Sunshine / day
10.4h
Mean relative humidity
84%
Average peak wind
14.1km/h
Seasonal range
0.7°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
3 d/yr
Rainy days (≥ 1 mm)
274 d/yr
Annual snowfall
0.0 cm
Average feels-like high
32.9 °C
Average feels-like low
27.5 °C
Average peak gust
29.1 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
20.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.79 · 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
31.1 °C
3 October 2023
Coldest day
20.7 °C
28 August 1965
Wettest day
149 mm
24 July 2008
Windiest day
31.1 km/h
13 September 2019
Strongest gust
60.1 km/h
13 September 2019
Hottest feels-like
38.4 °C
22 February 2024
Coldest feels-like
21.1 °C
28 August 1965
Sunniest day
12.0 h
18 January 1940
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 | 28.5 °C | +0.9 °C | 278 mm | +120 mm |
| Feb | 28.9 °C | +1.1 °C | 143 mm | +11 mm |
| Mar | 28.3 °C | +0.3 °C | 387 mm | +218 mm |
| Apr | 28.3 °C | +0.4 °C | 350 mm | +122 mm |
| May | 28.7 °C | +0.9 °C | 293 mm | +59 mm |
| Jun | 28.1 °C | +0.7 °C | 312 mm | +115 mm |
| Jul | 28.5 °C | +1.3 °C | 94 mm | -58 mm |
| Aug | 27.8 °C | +0.4 °C | 151 mm | +35 mm |
| Sep | 28.5 °C | +0.7 °C | 163 mm | +28 mm |
| Oct | 28.7 °C | +0.6 °C | 239 mm | +64 mm |
| Nov | 28.9 °C | +1.0 °C | 199 mm | -22 mm |
| Dec | 28.6 °C | +0.8 °C | 184 mm | -6 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 Gorontalo?
Gorontalo has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.5 °C and it receives 2,107 mm of precipitation per year.
What is the hottest day ever recorded in Gorontalo?
The hottest day measured in Gorontalo between 1940 and 2025 was 3 October 2023, reaching 31.1 °C.
What is the coldest day in Gorontalo?
The coldest day measured in Gorontalo between 1940 and 2025 was 28 August 1965, at 20.7 °C.
Does it snow in Gorontalo?
Almost never: Gorontalo sees virtually no snow, with about 0 frost days per year.
Has the climate of Gorontalo warmed?
Yes: Gorontalo warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gorontalo?
The wettest day measured in Gorontalo between 1940 and 2025 was 24 July 2008, with 149 mm of rain in 24 hours.
What was the windiest day in Gorontalo?
The windiest day measured in Gorontalo between 1940 and 2025 was 13 September 2019, with winds reaching 31.1 km/h.
What is the warmest month in Gorontalo?
The warmest month in Gorontalo is October (25.8 °C on average); the coldest is July (25.1 °C).
How much does it rain in Gorontalo?
Gorontalo receives on average 2,107 mm of precipitation per year, spread over about 274 rainy days.
Is it sunny in Gorontalo?
Gorontalo gets on average 10.4 hours of sunshine per day, roughly 3,796 hours per year over 1940-2025.
Are there tropical nights in Gorontalo?
Yes: Gorontalo has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gorontalo?
In Gorontalo, between 1940 and 2025, the highest apparent temperature reached 38.4 °C on 22 February 2024, and the lowest was 21.1 °C on 28 August 1965.
Compare Gorontalo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gorontalo