Tanah Merah climate — normals and trends
Tanah Merah (Malaysia) has a tropical rainforest climate (Af) under the Köppen-Geiger classification. Its mean annual temperature is 25.7 °C and it receives 2,640 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 (26.9 °C on average) and the coldest is January (24.3 °C). Rainfall peaks in December.
Tanah Merah averages 0 frost days, 237 hot days (≥ 30 °C) and 278 rainy days per year.
Tanah Merah has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The hottest day of the period reached 38.1 °C (on 4 May 2016) and the coldest 15.6 °C (on 4 January 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
Tanah MerahKelantan
- coords
- 5.80°, 102.15°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
25.7°C
Average daily high
30.6°C
Average daily low
22.6°C
Annual rainfall
2,640mm
Sunshine / day
10.2h
Mean relative humidity
86%
Average peak wind
8.8km/h
Seasonal range
2.6°C
Frost days (< 0 °C)
0 d/yr
Hot days (≥ 30 °C)
237 d/yr
Rainy days (≥ 1 mm)
278 d/yr
Annual snowfall
0.0 cm
Average feels-like high
36.9 °C
Average feels-like low
27.0 °C
Average peak gust
27.0 km/h
Tropical nights (≥ 20 °C)
351 d/yr
Solar radiation
19.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °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
38.1 °C
4 May 2016
Coldest day
15.6 °C
4 January 1972
Wettest day
263 mm
1 December 1988
Windiest day
22.8 km/h
6 January 1946
Strongest gust
61.9 km/h
22 December 2005
Hottest feels-like
44.6 °C
29 May 2024
Coldest feels-like
16.7 °C
4 January 1972
Sunniest day
12.1 h
3 July 1949
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 | 28.6 °C | +0.3 °C | 254 mm | +65 mm |
| Feb | 30.1 °C | +0.6 °C | 122 mm | +13 mm |
| Mar | 30.7 °C | -0.2 °C | 126 mm | +7 mm |
| Apr | 31.8 °C | -0.4 °C | 251 mm | +109 mm |
| May | 32.9 °C | +0.7 °C | 215 mm | +15 mm |
| Jun | 32.1 °C | +0.3 °C | 135 mm | -29 mm |
| Jul | 32.1 °C | +0.5 °C | 100 mm | -72 mm |
| Aug | 32.2 °C | +0.6 °C | 208 mm | -10 mm |
| Sep | 31.7 °C | +0.5 °C | 167 mm | -98 mm |
| Oct | 31.7 °C | +1.3 °C | 176 mm | -144 mm |
| Nov | 29.6 °C | +0.6 °C | 828 mm | +459 mm |
| Dec | 29.7 °C | +1.7 °C | 259 mm | -114 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 Tanah Merah?
Tanah Merah has a tropical rainforest climate (Köppen Af). Over 1940-2025, the average annual temperature is 25.7 °C and it receives 2,640 mm of precipitation per year.
What is the hottest day ever recorded in Tanah Merah?
The hottest day measured in Tanah Merah between 1940 and 2025 was 4 May 2016, reaching 38.1 °C.
What is the coldest day in Tanah Merah?
The coldest day measured in Tanah Merah between 1940 and 2025 was 4 January 1972, at 15.6 °C.
Does it snow in Tanah Merah?
Almost never: Tanah Merah sees virtually no snow, with about 0 frost days per year.
Has the climate of Tanah Merah warmed?
Yes: Tanah Merah warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Tanah Merah?
The wettest day measured in Tanah Merah between 1940 and 2025 was 1 December 1988, with 263 mm of rain in 24 hours.
What was the windiest day in Tanah Merah?
The windiest day measured in Tanah Merah between 1940 and 2025 was 6 January 1946, with winds reaching 22.8 km/h.
What is the warmest month in Tanah Merah?
The warmest month in Tanah Merah is May (26.9 °C on average); the coldest is January (24.3 °C).
How much does it rain in Tanah Merah?
Tanah Merah receives on average 2,640 mm of precipitation per year, spread over about 278 rainy days.
Is it sunny in Tanah Merah?
Tanah Merah gets on average 10.2 hours of sunshine per day, roughly 3,723 hours per year over 1940-2025.
Are there tropical nights in Tanah Merah?
Yes: Tanah Merah has on average 351 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Tanah Merah?
In Tanah Merah, between 1940 and 2025, the highest apparent temperature reached 44.6 °C on 29 May 2024, and the lowest was 16.7 °C on 4 January 1972.
Compare Tanah Merah with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Tanah Merah