Climate and monthly weather forecastAlor Setar, Malaysia
Climate and monthly weather forecast
The climate of Alor Setar
Geographical position and the Köppen climate classification conspire to determine Alor Setar's tropical monsoon climate. With an annual rainfall ranging from 37mm (1.46") to 136mm (5.35"), Alor Setar embodies the elements of the monsoon influence with high humidity and frequent rainfall. The relative humidity oscillates between 74% and 84%, paving the way for a moist climate.Across the year, monthly average temperatures remain fairly stable. The highest average temperature, recorded generally in the first quarter of the year, peaks at 33.3°C (91.9°F). In contrast, the lowest temperature drops to 22.6°C (72.7°F), creating a warm climate throughout the entire year.
An aspect worth mentioning is the significant rainfall in the last quarter, reaching a peak of 136mm (5.35") in October. This period also denotes a lesser number of sunny days with as low as 4.9 in November. Wind speeds maintain a steady course with maximum speeds cresting at 9.7 Kph in December.
The best time to visit Alor Setar
For those who prefer sun-doused weather, visiting Alor Setar between January and February would be a worthy compliment to their escapade. As it’s during this time that the measured daily sunshine hours reach 9.2, corroborated by the solar high UV index of 7 units. Average temperatures dance around 31.3°C (88.3°F) and 33.3°C (91.9°F), accompanied by lower humidity values of 74% to 79%.The worst time to visit Alor Setar
Travelers might want to skip the period from September to November. Precipitation rates rise considerably during these months, reaching an outset of 136mm (5.35") in October. Even though temperatures remain gratifyingly high (averaging 31.3°C (88.3°F) and 30.5°C (86.9°F)), the high humidity combined with the increase in rainfall might mar the overall experience.Spring weather in Alor Setar
Spring in Alor Setar, as defined from March to May, undergoes an uptrend in rainfall, switching from 59mm (2.32") in March to 104mm (4.09") in May. Average temperatures vary slightly and pivot between 32.5°C (90.5°F) to 32.2°C (90°F). The tropical monsoon climate continues to persist with relative humidity around 79% to 80% and average wind speed not exceeding 6.6 Kph.Summer weather in Alor Setar
Summer, stretching from June to August, delivers milder rainfall figures, with July recording the least at 52mm (2.05"). Average temperatures remain in the domain of 32°C (89.6°F) to 31.7°C (89.1°F), preserving the tropical warmth. The highest tides of humidity hover around 78% with maximum wind speeds limping around 6 Kph.Autumn weather in Alor Setar
Autumn, from September to November, in Alor Setar is synonymous with high rainfall, peaking at 136mm (5.35") in October. Temperature moderation is observed as average temperatures curtail between 31.3°C (88.3°F) and 30.5°C (86.9°F) while humidity remains fairly constant at 79% in September and 84% in November. The average wind speed slightly zigzags around a maximum of 6.4Kph.Winter weather in Alor Setar
Winter months in Alor Setar, namely December, present a transitory drift from the preceding months. While the rainfall tapers down to 77mm (3.03"), temperatures remain pleasantly high at around 30.5°C (86.9°F). The relative humidity retracts to 83% and wind speeds start to rebound with a maximum value of 9.7 Kph noted.Weather in January
In Alor Setar, Malaysia, January's weather is characterized by high humidity. The typical high temperatures, combined with 79% relative humidity, create a hot and damp setting, similar to a tropical rainforest climate. The sea temperature, too, is warm and inviting, encouraging swimming activities. Weather in January »Weather in February
February sees a slight decrease in temperature but still remains hot in Alor Setar, offering an ample amount of sunshine. On average, the city experiences slightly fewer rainfall days compared to January. However, this slight reduction in rainfall doesn't affect the overall dampness, with the relative humidity only decreasing marginally to 74%. Weather in February »Weather in March
March is notably warmer in Alor Setar, with a noticeable increase in both maximum and minimum temperatures. Correspondingly, the month witnesses a higher rainfall, mainly reflected in rain days escalating to 19.4 and rainfall amount spiking to 59mm (2.32"). Weather in March »Weather in April
The weather in Alor Setar takes a turn in April, showcasing the highest rainfall of the year. Visitors and locals experience a drastic increase in rainfall to 118mm (4.65"), significantly more than the amount recorded in March, and rainfall days also go up to 25.8. Weather in April »Weather in May
Alor Setar’s weather in May is characterized by high heat and high precipitation, drawing a similar profile to the previous month. Rainfall remains at a high level, though it dips slightly to 104mm (4.09"). The sea temperature is at its highest, signaling great marine conditions for underwater activities. Weather in May »Weather in June
June carries much of May's weather characteristics, although some parameters show minor improvements. As Alor Setar enters the half-point of the year, the city experiences a slight decrease in maximum temperature, rainfall, and rainfall days. Weather in June »Weather in July
July in Alor Setar sees a drop in average maximum temperature to 31.7°C (89.1°F), offering a mild relief from the heat experienced in June. Predictably, the temperatures remain consistent, upholding the city's reputation for warm climactic conditions. Weather in July »Weather in August
The weather in August is nearly identical to that in July in Alor Setar. Upholding the summer tradition, the month is warm with high temperatures, but features slightly more rainfall. Furthermore, total daylight hours start to decrease, though this change has minimal impact on the overall sunshine duration. Weather in August »Weather in September
September is marked by a further increase in rainfall and correspondingly, cloudy conditions. The average rainfall in September is 81mm (3.19"), much higher than the previous month's statistics. This rise is concurrent with a continuing descent in maximum temperature. Weather in September »Weather in October
Alor Setar in October continues to feature the elevated rainfall seen in September, while temperature and humidity levels remain almost unchanged. The month witnesses noticeable changes, such as the highest average rainfall of the year at 136mm (5.35"), making it the wettest month. Weather in October »Weather in November
The transition from October to November brings forth hardly any significant changes in Alor Setar’s weather. Rainfall sees a minor decrease, yet remains relatively high at 130mm (5.12"). Cloud cover is at its peak, which aligns with the slightly reduced daylight hours and lower visibility. Weather in November »Weather in December
In Alor Setar, December rings in a break from the rains of November. While there remains a bit of a chill in the air with the lowest minimum temperature of the year at 23.2°C (73.8°F), there is a sharp drop in rainfall to 77mm (3.03"). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Alor Setar, Malaysia
The warmest months (with the highest average high temperature) are February and March (33.3°C).
The months with the lowest average high temperature are November and December (30.5°C).
The month with the highest average low temperature is May (25°C).
The coldest month (with the lowest average low temperature) is February (22.6°C).
Average pressure
Alor Setar, Malaysia
- Average pressure in January:
1010.7mbar - Average pressure in February:
1010.6mbar - Average pressure in March:
1010.1mbar - Average pressure in April:
1009.4mbar - Average pressure in May:
1008.8mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.2mbar - Average pressure in September:
1009.8mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1009.2mbar - Average pressure in December:
1009.9mbar
The month with the highest atmospheric pressure is January (1010.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.8mbar).
Average wind speed
Alor Setar, Malaysia
- Average wind speed in January:
9km/h - Average wind speed in February:
8.3km/h - Average wind speed in March:
6.6km/h - Average wind speed in April:
5.5km/h - Average wind speed in May:
5.2km/h - Average wind speed in June:
5.6km/h
- Average wind speed in July:
5.9km/h - Average wind speed in August:
5.9km/h - Average wind speed in September:
6km/h - Average wind speed in October:
5.7km/h - Average wind speed in November:
6.4km/h - Average wind speed in December:
8.9km/h
The windiest month (with the highest average wind speed) is January (9km/h).
The calmest month (with the lowest average wind speed) is May (5.2km/h).
Average humidity
Alor Setar, Malaysia
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is February (74%).
Average rainfall
Alor Setar, Malaysia
- Average rainfall in January:
41mm - Average rainfall in February:
37mm - Average rainfall in March:
59mm - Average rainfall in April:
118mm - Average rainfall in May:
104mm - Average rainfall in June:
52mm
The wettest month (with the highest rainfall) is October (136mm).
The driest month (with the least rainfall) is February (37mm).
Average rainfall days
Alor Setar, Malaysia
- Average rainfall days in January:
14.2 days - Average rainfall days in February:
12.8 days - Average rainfall days in March:
19.4 days - Average rainfall days in April:
25.8 days - Average rainfall days in May:
24.4 days - Average rainfall days in June:
18.3 days
- Average rainfall days in July:
18.3 days - Average rainfall days in August:
21.7 days - Average rainfall days in September:
22.7 days - Average rainfall days in October:
25.3 days - Average rainfall days in November:
24.8 days - Average rainfall days in December:
17.5 days
The month with the highest number of rainy days is April (25.8 days).
The month with the least rainy days is February (12.8 days).
Average sea temperature
Alor Setar, Malaysia
The best month for swimming (with the highest average sea temperature) is May (30.6°C).
The coldest month (with the lowest average sea temperature) is January (28.4°C).
Average daylight / Average sunshine
Alor Setar, Malaysia
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 24min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 24min - Average daylight in August:
12h and 18min - Average daylight in September:
12h and 12min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 48min - Average daylight in December:
11h and 48min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 48min).
- Average sunshine in January:
8h and 48min - Average sunshine in February:
9h and 12min - Average sunshine in March:
9h and 6min - Average sunshine in April:
8h and 54min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
8h and 42min - Average sunshine in August:
8h and 30min - Average sunshine in September:
8h and 18min - Average sunshine in October:
8h and 6min - Average sunshine in November:
7h and 48min - Average sunshine in December:
8h and 18min
The month with the most sunshine is February (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).
Average sunshine days
Alor Setar, Malaysia
- Average sunshine days in January:
15.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
9.7 days - Average sunshine days in April:
3.2 days - Average sunshine days in May:
5.3 days - Average sunshine days in June:
9.3 days
- Average sunshine days in July:
10.1 days - Average sunshine days in August:
7.4 days - Average sunshine days in September:
5.5 days - Average sunshine days in October:
5 days - Average sunshine days in November:
4.9 days - Average sunshine days in December:
12.9 days
The month with the most sunshine days is January (15.8 days).
The month with the least sunshine days is April (3.2 days).
Average UV index
Alor Setar, Malaysia
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Alor Setar, Malaysia
The month with the most cloud cover is November (Cloud cover 44).
The month with the least cloud cover is February (Cloud cover 25).
Average visibility
Alor Setar, Malaysia
The months with the highest visibility are February, June and September (10km).
The months with the lowest visibility are January, March, April, May, July, August, October, November and December (9km).








