Tanjungtiram climate — normals and trends
Tanjungtiram (Indonesia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 26.3 °C and it receives 2,372 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 (27.0 °C on average) and the coldest is December (25.5 °C). Rainfall peaks in November.
Tanjungtiram averages 0 frost days, 127 hot days (≥ 30 °C) and 311 rainy days per year.
Tanjungtiram has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The hottest day of the period reached 34.5 °C (on 23 April 1998) and the coldest 19.6 °C (on 18 January 1948).
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
TanjungtiramNorth Sumatra
- coords
- 4.06°, 98.37°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
26.3°C
Average daily high
29.4°C
Average daily low
23.9°C
Annual rainfall
2,372mm
Sunshine / day
9.8h
Mean relative humidity
84%
Average peak wind
9.6km/h
Seasonal range
1.5°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
127 d/yr
Rainy days (≥ 1 mm)
311 d/yr
Annual snowfall
0.0 cm
Average feels-like high
35.4 °C
Average feels-like low
28.2 °C
Average peak gust
21.7 km/h
Tropical nights (≥ 20 °C)
365 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.84 · 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
34.5 °C
23 April 1998
Coldest day
19.6 °C
18 January 1948
Wettest day
227 mm
26 November 2025
Windiest day
24.5 km/h
27 November 2025
Strongest gust
45.4 km/h
16 February 1953
Hottest feels-like
41.9 °C
20 May 1998
Coldest feels-like
21.2 °C
18 January 1948
Sunniest day
12.2 h
24 June 2025
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 | 28.8 °C | +0.3 °C | 282 mm | +128 mm |
| Feb | 29.4 °C | +0.1 °C | 116 mm | +9 mm |
| Mar | 30.1 °C | +0.2 °C | 212 mm | +67 mm |
| Apr | 29.8 °C | -0.3 °C | 319 mm | +139 mm |
| May | 30.8 °C | +0.6 °C | 267 mm | +59 mm |
| Jun | 30.9 °C | +0.6 °C | 124 mm | -11 mm |
| Jul | 31.7 °C | +1.6 °C | 73 mm | -77 mm |
| Aug | 30.6 °C | +0.8 °C | 159 mm | -35 mm |
| Sep | 30.6 °C | +1.3 °C | 173 mm | -72 mm |
| Oct | 29.6 °C | +0.8 °C | 189 mm | -96 mm |
| Nov | 28.4 °C | 0.0 °C | 667 mm | +361 mm |
| Dec | 28.7 °C | +0.5 °C | 231 mm | -33 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 Tanjungtiram?
Tanjungtiram has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 26.3 °C and it receives 2,372 mm of precipitation per year.
What is the hottest day ever recorded in Tanjungtiram?
The hottest day measured in Tanjungtiram between 1940 and 2025 was 23 April 1998, reaching 34.5 °C.
What is the coldest day in Tanjungtiram?
The coldest day measured in Tanjungtiram between 1940 and 2025 was 18 January 1948, at 19.6 °C.
Does it snow in Tanjungtiram?
Almost never: Tanjungtiram sees virtually no snow, with about 0 frost days per year.
Has the climate of Tanjungtiram warmed?
Yes: Tanjungtiram warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tanjungtiram?
The wettest day measured in Tanjungtiram between 1940 and 2025 was 26 November 2025, with 227 mm of rain in 24 hours.
What was the windiest day in Tanjungtiram?
The windiest day measured in Tanjungtiram between 1940 and 2025 was 27 November 2025, with winds reaching 24.5 km/h.
What is the warmest month in Tanjungtiram?
The warmest month in Tanjungtiram is May (27.0 °C on average); the coldest is December (25.5 °C).
How much does it rain in Tanjungtiram?
Tanjungtiram receives on average 2,372 mm of precipitation per year, spread over about 311 rainy days.
Is it sunny in Tanjungtiram?
Tanjungtiram gets on average 9.8 hours of sunshine per day, roughly 3,577 hours per year over 1940-2025.
Are there tropical nights in Tanjungtiram?
Yes: Tanjungtiram has on average 365 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tanjungtiram?
In Tanjungtiram, between 1940 and 2025, the highest apparent temperature reached 41.9 °C on 20 May 1998, and the lowest was 21.2 °C on 18 January 1948.
Compare Tanjungtiram with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tanjungtiram