Simpang climate — normals and trends
Simpang (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 2,607 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 (26.7 °C on average) and the coldest is January (25.7 °C). Rainfall peaks in December.
Simpang averages 0 frost days, 233 hot days (≥ 30 °C) and 296 rainy days per year.
Simpang 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 35.1 °C (on 28 October 2024) and the coldest 20.5 °C (on 2 August 1964).
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
SimpangJambi
- coords
- -1.26°, 104.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
30.4°C
Average daily low
23.6°C
Annual rainfall
2,607mm
Sunshine / day
9.8h
Mean relative humidity
86%
Average peak wind
9.6km/h
Seasonal range
1.0°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
233 d/yr
Rainy days (≥ 1 mm)
296 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.3 °C
Average feels-like low
28.2 °C
Average peak gust
26.0 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
17.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.79 · 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
35.1 °C
28 October 2024
Coldest day
20.5 °C
2 August 1964
Wettest day
147 mm
7 January 1986
Windiest day
22.9 km/h
15 February 1949
Strongest gust
59.8 km/h
28 January 2023
Hottest feels-like
42.6 °C
11 May 2016
Coldest feels-like
22.7 °C
11 January 2018
Sunniest day
12.0 h
5 September 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 | 28.7 °C | -0.3 °C | 523 mm | +278 mm |
| Feb | 29.9 °C | +0.2 °C | 235 mm | +35 mm |
| Mar | 30.0 °C | -0.3 °C | 472 mm | +208 mm |
| Apr | 31.0 °C | +0.2 °C | 461 mm | +193 mm |
| May | 32.2 °C | +1.3 °C | 150 mm | -57 mm |
| Jun | 31.8 °C | +1.0 °C | 123 mm | -13 mm |
| Jul | 31.8 °C | +1.2 °C | 128 mm | +0 mm |
| Aug | 31.3 °C | +0.4 °C | 229 mm | +90 mm |
| Sep | 31.4 °C | +0.4 °C | 205 mm | +31 mm |
| Oct | 31.8 °C | +0.8 °C | 236 mm | -21 mm |
| Nov | 31.6 °C | +1.3 °C | 214 mm | -81 mm |
| Dec | 30.1 °C | +0.7 °C | 355 mm | +60 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 Simpang?
Simpang has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 2,607 mm of precipitation per year.
What is the hottest day ever recorded in Simpang?
The hottest day measured in Simpang between 1940 and 2025 was 28 October 2024, reaching 35.1 °C.
What is the coldest day in Simpang?
The coldest day measured in Simpang between 1940 and 2025 was 2 August 1964, at 20.5 °C.
Does it snow in Simpang?
Almost never: Simpang sees virtually no snow, with about 0 frost days per year.
Has the climate of Simpang warmed?
Yes: Simpang warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Simpang?
The wettest day measured in Simpang between 1940 and 2025 was 7 January 1986, with 147 mm of rain in 24 hours.
What was the windiest day in Simpang?
The windiest day measured in Simpang between 1940 and 2025 was 15 February 1949, with winds reaching 22.9 km/h.
What is the warmest month in Simpang?
The warmest month in Simpang is May (26.7 °C on average); the coldest is January (25.7 °C).
How much does it rain in Simpang?
Simpang receives on average 2,607 mm of precipitation per year, spread over about 296 rainy days.
Is it sunny in Simpang?
Simpang gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Simpang?
Yes: Simpang has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Simpang?
In Simpang, between 1940 and 2025, the highest apparent temperature reached 42.6 °C on 11 May 2016, and the lowest was 22.7 °C on 11 January 2018.
Compare Simpang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Simpang