Luwuk climate — normals and trends
Luwuk (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 23.9 °C and it receives 1,560 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 November (24.5 °C on average) and the coldest is July (22.9 °C). Rainfall peaks in April.
Luwuk averages 0 frost days, 4 hot days (≥ 30 °C) and 245 rainy days per year.
Luwuk has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The hottest day of the period reached 32.5 °C (on 2 December 2019) and the coldest 18.2 °C (on 21 August 1972).
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
LuwukCentral Sulawesi
- coords
- -0.95°, 122.79°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
23.9°C
Average daily high
26.8°C
Average daily low
22.0°C
Annual rainfall
1,560mm
Sunshine / day
10.5h
Mean relative humidity
83%
Average peak wind
10.5km/h
Seasonal range
1.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
4 d/yr
Rainy days (≥ 1 mm)
245 d/yr
Annual snowfall
0.0 cm
Average feels-like high
31.2 °C
Average feels-like low
24.9 °C
Average peak gust
26.8 km/h
Tropical nights (≥ 20 °C)
361 d/yr
Solar radiation
18.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.81 · 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
32.5 °C
2 December 2019
Coldest day
18.2 °C
21 August 1972
Wettest day
174 mm
15 June 1988
Windiest day
24.0 km/h
4 October 2006
Strongest gust
58.3 km/h
4 October 2006
Hottest feels-like
37.8 °C
7 December 2023
Coldest feels-like
17.0 °C
28 August 1965
Sunniest day
12.0 h
9 January 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 28.5 °C | +1.3 °C | 216 mm | +105 mm |
| Feb | 28.4 °C | +1.1 °C | 156 mm | +52 mm |
| Mar | 28.0 °C | +0.7 °C | 284 mm | +127 mm |
| Apr | 27.9 °C | +0.9 °C | 310 mm | +101 mm |
| May | 27.6 °C | +1.0 °C | 344 mm | +164 mm |
| Jun | 26.9 °C | +1.0 °C | 229 mm | +71 mm |
| Jul | 27.0 °C | +1.6 °C | 97 mm | -30 mm |
| Aug | 26.5 °C | +0.9 °C | 109 mm | +22 mm |
| Sep | 27.6 °C | +1.1 °C | 53 mm | -16 mm |
| Oct | 28.8 °C | +1.3 °C | 116 mm | +39 mm |
| Nov | 28.5 °C | +0.7 °C | 219 mm | +91 mm |
| Dec | 28.2 °C | +0.8 °C | 172 mm | +19 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 Luwuk?
Luwuk has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 1,560 mm of precipitation per year.
What is the hottest day ever recorded in Luwuk?
The hottest day measured in Luwuk between 1940 and 2025 was 2 December 2019, reaching 32.5 °C.
What is the coldest day in Luwuk?
The coldest day measured in Luwuk between 1940 and 2025 was 21 August 1972, at 18.2 °C.
Does it snow in Luwuk?
Almost never: Luwuk sees virtually no snow, with about 0 frost days per year.
Has the climate of Luwuk warmed?
Yes: Luwuk warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Luwuk?
The wettest day measured in Luwuk between 1940 and 2025 was 15 June 1988, with 174 mm of rain in 24 hours.
What was the windiest day in Luwuk?
The windiest day measured in Luwuk between 1940 and 2025 was 4 October 2006, with winds reaching 24.0 km/h.
What is the warmest month in Luwuk?
The warmest month in Luwuk is November (24.5 °C on average); the coldest is July (22.9 °C).
How much does it rain in Luwuk?
Luwuk receives on average 1,560 mm of precipitation per year, spread over about 245 rainy days.
Is it sunny in Luwuk?
Luwuk gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.
Are there tropical nights in Luwuk?
Yes: Luwuk has on average 361 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Luwuk?
In Luwuk, between 1940 and 2025, the highest apparent temperature reached 37.8 °C on 7 December 2023, and the lowest was 17.0 °C on 28 August 1965.
Compare Luwuk with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Luwuk