Cileunyi climate — normals and trends
Cileunyi (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 21.0 °C and it receives 3,037 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 (21.4 °C on average) and the coldest is January (20.6 °C). Rainfall peaks in January.
Cileunyi averages 0 frost days, 0 hot days (≥ 30 °C) and 266 rainy days per year.
Cileunyi 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 31.4 °C (on 30 October 1997) and the coldest 11.0 °C (on 25 July 1941).
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
CileunyiWest Java
- coords
- -6.94°, 107.75°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
21.0°C
Average daily high
25.4°C
Average daily low
17.8°C
Annual rainfall
3,037mm
Sunshine / day
9.5h
Mean relative humidity
84%
Average peak wind
6.5km/h
Seasonal range
0.8°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
266 d/yr
Annual snowfall
0.0 cm
Average feels-like high
28.7 °C
Average feels-like low
19.8 °C
Average peak gust
26.8 km/h
Tropical nights (≥ 20 °C)
10 d/yr
Solar radiation
17.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.75 · 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
31.4 °C
30 October 1997
Coldest day
11.0 °C
25 July 1941
Wettest day
140 mm
11 October 1974
Windiest day
20.6 km/h
25 January 2012
Strongest gust
85.7 km/h
25 January 2012
Hottest feels-like
34.4 °C
27 March 2004
Coldest feels-like
10.5 °C
16 September 1945
Sunniest day
12.4 h
27 November 1942
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 | 25.5 °C | +1.1 °C | 529 mm | +111 mm |
| Feb | 25.9 °C | +1.4 °C | 339 mm | -57 mm |
| Mar | 25.9 °C | +0.8 °C | 414 mm | +13 mm |
| Apr | 25.9 °C | +0.4 °C | 376 mm | +97 mm |
| May | 26.2 °C | +0.5 °C | 403 mm | +224 mm |
| Jun | 25.6 °C | +0.1 °C | 162 mm | +58 mm |
| Jul | 25.4 °C | -0.1 °C | 80 mm | +2 mm |
| Aug | 25.2 °C | -0.6 °C | 218 mm | +140 mm |
| Sep | 25.8 °C | -0.4 °C | 136 mm | +21 mm |
| Oct | 26.7 °C | +0.7 °C | 389 mm | +160 mm |
| Nov | 26.2 °C | +0.7 °C | 489 mm | +140 mm |
| Dec | 26.0 °C | +1.0 °C | 432 mm | +21 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 Cileunyi?
Cileunyi has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 21.0 °C and it receives 3,037 mm of precipitation per year.
What is the hottest day ever recorded in Cileunyi?
The hottest day measured in Cileunyi between 1940 and 2025 was 30 October 1997, reaching 31.4 °C.
What is the coldest day in Cileunyi?
The coldest day measured in Cileunyi between 1940 and 2025 was 25 July 1941, at 11.0 °C.
Does it snow in Cileunyi?
Almost never: Cileunyi sees virtually no snow, with about 0 frost days per year.
Has the climate of Cileunyi warmed?
Yes: Cileunyi warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Cileunyi?
The wettest day measured in Cileunyi between 1940 and 2025 was 11 October 1974, with 140 mm of rain in 24 hours.
What was the windiest day in Cileunyi?
The windiest day measured in Cileunyi between 1940 and 2025 was 25 January 2012, with winds reaching 20.6 km/h.
What is the warmest month in Cileunyi?
The warmest month in Cileunyi is May (21.4 °C on average); the coldest is January (20.6 °C).
How much does it rain in Cileunyi?
Cileunyi receives on average 3,037 mm of precipitation per year, spread over about 266 rainy days.
Is it sunny in Cileunyi?
Cileunyi gets on average 9.5 hours of sunshine per day, roughly 3,468 hours per year over 1940-2025.
Are there tropical nights in Cileunyi?
Yes: Cileunyi has on average 10 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Cileunyi?
In Cileunyi, between 1940 and 2025, the highest apparent temperature reached 34.4 °C on 27 March 2004, and the lowest was 10.5 °C on 16 September 1945.
Compare Cileunyi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Cileunyi