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Mersing climate by month
What the weather is like
Mersing has a tropical rainforest climate (Köppen Af): .
The warmest month is May, when afternoons average 30° and nights 25°. January is the coolest month, with highs of 27° and lows of 24°. The difference between the warmest and the coolest month is about 2°, a small seasonal swing typical of places tempered by the sea.
About 2,871 mm of precipitation falls in an average year. August is the wettest month (174 mm, 30 wet days) and February the driest (157 mm, 19 wet days). Cloud cover ranges from 48% in March to 68% in December.
The sea reaches about 30° in May. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Kuala Lumpur, the capital, Mersing is 0.8° cooler on a May afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 30° · May
- Coldest nights
- 24° · January
- Wettest month
- August
- Driest month
- February
- Clearest skies
- March · 48% cloud
- Warmest sea
- 30° · May
- Longest day
- 12 h 16 min
- Shortest day
- 11 h 59 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 27° | 28° | 28° | 29° | 30° | 30° | 29° | 29° | 29° | 29° | 28° | 27° |
| Average low | 24° | 25° | 25° | 25° | 25° | 25° | 25° | 25° | 25° | 25° | 25° | 25° |
| Precipitation | 386 mm | 157 mm | 167 mm | 163 mm | 169 mm | 152 mm | 175 mm | 174 mm | 184 mm | 212 mm | 351 mm | 581 mm |
| Wet days (≥1 mm) | 25.5 | 19 | 24.5 | 27 | 29.8 | 29.7 | 28.8 | 30.2 | 28.5 | 29.7 | 30 | 28.3 |
| Cloud cover | 60% | 51% | 48% | 49% | 51% | 48% | 49% | 51% | 54% | 60% | 65% | 68% |
| Sea temperature | 28° | 28° | 29° | 30° | 30° | 29° | 29° | 29° | 29° | 29° | 29° | 28° |
| Daylight | 12h 00 | 12h 02 | 12h 06 | 12h 10 | 12h 14 | 12h 16 | 12h 15 | 12h 12 | 12h 08 | 12h 04 | 12h 01 | 11h 59 |
| Month score | 46 | 47 | 45 | 41 | 39 | 40 | 42 | 41 | 39 | 38 | 39 | 42 |