Ceper climate — normals and trends
Ceper (Indonesia) has a tropical monsoon climate (Am) under the Köppen-Geiger classification. Its mean annual temperature is 25.1 °C and it receives 2,117 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 (25.7 °C on average) and the coldest is July (24.5 °C). Rainfall peaks in February.
Ceper averages 0 frost days, 194 hot days (≥ 30 °C) and 213 rainy days per year.
Ceper 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 38.0 °C (on 26 November 1982) and the coldest 14.9 °C (on 20 June 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
CeperCentral Java
- coords
- -7.67°, 110.68°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.1°C
Average daily high
30.1°C
Average daily low
21.6°C
Annual rainfall
2,117mm
Sunshine / day
9.9h
Mean relative humidity
83%
Average peak wind
11.5km/h
Seasonal range
1.2°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
194 d/yr
Rainy days (≥ 1 mm)
213 d/yr
Annual snowfall
0.0 cm
Average feels-like high
34.8 °C
Average feels-like low
25.4 °C
Average peak gust
28.7 km/h
Tropical nights (≥ 20 °C)
322 d/yr
Solar radiation
18.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.71 · 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
38.0 °C
26 November 1982
Coldest day
14.9 °C
20 June 1941
Wettest day
239 mm
21 February 1958
Windiest day
25.5 km/h
10 January 2013
Strongest gust
73.1 km/h
2 January 2007
Hottest feels-like
42.1 °C
19 October 2019
Coldest feels-like
15.7 °C
18 August 1957
Sunniest day
12.5 h
19 December 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 | 30.1 °C | +1.0 °C | 330 mm | +18 mm |
| Feb | 30.7 °C | +1.4 °C | 459 mm | +146 mm |
| Mar | 30.4 °C | +0.7 °C | 268 mm | -39 mm |
| Apr | 30.0 °C | -0.1 °C | 178 mm | -38 mm |
| May | 30.4 °C | +0.2 °C | 311 mm | +179 mm |
| Jun | 30.3 °C | +0.3 °C | 105 mm | +36 mm |
| Jul | 29.3 °C | -0.6 °C | 28 mm | -10 mm |
| Aug | 30.5 °C | +0.2 °C | 65 mm | +42 mm |
| Sep | 31.6 °C | +0.5 °C | 69 mm | +26 mm |
| Oct | 31.6 °C | +0.3 °C | 241 mm | +120 mm |
| Nov | 29.5 °C | -0.9 °C | 420 mm | +176 mm |
| Dec | 30.0 °C | +0.6 °C | 207 mm | -91 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 Ceper?
Ceper has a tropical monsoon climate (Köppen Am). Over 1940-2025, the average annual temperature is 25.1 °C and it receives 2,117 mm of precipitation per year.
What is the hottest day ever recorded in Ceper?
The hottest day measured in Ceper between 1940 and 2025 was 26 November 1982, reaching 38.0 °C.
What is the coldest day in Ceper?
The coldest day measured in Ceper between 1940 and 2025 was 20 June 1941, at 14.9 °C.
Does it snow in Ceper?
Almost never: Ceper sees virtually no snow, with about 0 frost days per year.
Has the climate of Ceper warmed?
Yes: Ceper warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ceper?
The wettest day measured in Ceper between 1940 and 2025 was 21 February 1958, with 239 mm of rain in 24 hours.
What was the windiest day in Ceper?
The windiest day measured in Ceper between 1940 and 2025 was 10 January 2013, with winds reaching 25.5 km/h.
What is the warmest month in Ceper?
The warmest month in Ceper is October (25.7 °C on average); the coldest is July (24.5 °C).
How much does it rain in Ceper?
Ceper receives on average 2,117 mm of precipitation per year, spread over about 213 rainy days.
Is it sunny in Ceper?
Ceper gets on average 9.9 hours of sunshine per day, roughly 3,614 hours per year over 1940-2025.
Are there tropical nights in Ceper?
Yes: Ceper has on average 322 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ceper?
In Ceper, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 19 October 2019, and the lowest was 15.7 °C on 18 August 1957.
Compare Ceper with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ceper