Climate averages 1991–2020
Alor Setar weather
in December.
A hot, wet month: the 10th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Alor Setar: daytime highs average 29.3°C and nights cool to about 23.4°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 129 mm of rain on roughly 16 days, which makes December a wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 46 min on an average December day.
The nearest other city in this atlas is Pendang (19 km away). In December its highs average 29.2°C, about as warm as Alor Setar, with 160 mm of rain.
Among the 72 cities listed in Malaysia, Alor Setar ranks joint 2nd of 72 for the warmest December highs and 1st of 72 for the driest December (rainfall, lowest first). The mean December high of those 72 cities is 28.5°C; Alor Setar is 0.8°C warmer than that mean.
From December to January, average highs rise by 2.1°C to 31.3°C, and monthly rainfall falls from 129 mm to 53 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Alor Setar climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 31.3°C23.5°C | 23.5°C | 53 | 9.2 | 11.812 h |
| February | 33.1°C24.0°C | 24.0°C | 60 | 9.8 | 11.912 h |
| March | 32.7°C24.6°C | 24.6°C | 132 | 18.4 | 12.112 h |
| April | 31.3°C24.8°C | 24.8°C | 193 | 25.7 | 12.312 h |
| May | 30.5°C25.0°C | 25.0°C | 243 | 25.9 | 12.412 h |
| June | 30.2°C24.9°C | 24.9°C | 184 | 21.3 | 12.512 h |
| July | 29.8°C24.6°C | 24.6°C | 190 | 22.2 | 12.412 h |
| August | 29.7°C24.5°C | 24.5°C | 232 | 23.6 | 12.312 h |
| September | 29.4°C24.2°C | 24.2°C | 259 | 26.0 | 12.212 h |
| October | 29.1°C23.9°C | 23.9°C | 320 | 28.6 | 12.012 h |
| November | 29.1°C23.7°C | 23.7°C | 234 | 25.0 | 11.812 h |
| December, selected | 29.3°C23.4°C | 23.4°C | 129 | 15.6 | 11.812 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
December in nearby cities
- Pendang in DecemberMalaysia · 19 kmHigh 29.2°C · Low 23.0°C · 160 mm rain
- Sungai Petani in DecemberMalaysia · 55 kmHigh 29.1°C · Low 23.2°C · 161 mm rain
- Kota Kuala Muda in DecemberMalaysia · 59 kmHigh 29.2°C · Low 23.8°C · 167 mm rain
- Tasek Glugor in DecemberMalaysia · 73 kmHigh 29.0°C · Low 23.2°C · 190 mm rain
- Butterworth in DecemberMalaysia · 80 kmHigh 29.1°C · Low 23.6°C · 167 mm rain
- Paya Terubong in DecemberMalaysia · 84 kmHigh 27.9°C · Low 23.7°C · 214 mm rain
- Bukit Mertajam in DecemberMalaysia · 85 kmHigh 28.9°C · Low 23.1°C · 261 mm rain
- Kulim in DecemberMalaysia · 87 kmHigh 28.8°C · Low 22.6°C · 261 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Alor Setar) is explained once on the Alor Setar year overview and on the Sources, method and limits page.