Climate in Selangor

Average daytime and nighttime temperatures

All climatic diagrams on this site result from the collected data from two measuring weather stations in Selangor.
All data correspond to the average monthly values of the last 20 years.

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Selangor is one of the warmest region in Malaysia with an average daily high temperature of 33 degrees centigrade. High humidity and hot temperatures make the weather at times pleasant but also tropical humid. It is warm to hot all year round and invites to bathe at average water temperatures of 29 degrees. Dued to the lesser rain the best time for traveling is from February to August. Most precipitation decrease from April to December.
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Hours of sunshine per daySunshine hours per day in Selangor
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 7 hours per day, February is the sunniest month in the region of Selangor. In November the sun shines the shortest.
Rainy days per monthRainy days per month in Selangor
A rainy day is a day on which at least an amount of 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 20 rainy days, November offers the most number of rainy days, and in June the least.
Precipitation in mm/dayPrecipitation in Selangor
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 4.9 mm, the least rain falls in June. November, on the other hand, has the most rain.
Water temperatureWater temperatures in Selangor
Water temperature depends not only on solar radiation within the same region, but also on ocean currents. For example, depending on the season, cold or warm water masses are moved from other areas. The warmest temperatures in Selangor are in April, when the water is 29 °C.
Relative humidity in %Relative humidity in Selangor
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture of the physically possible is actually contained in the air. At high humidity, the person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% gives as pleasant. With humidity averaging 86%, November is the most uncomfortable. In February, on the other hand, it is easier to endure.
Absolute humidity in g/m³Absolute humidity in Selangor
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy. This limit is exceeded throughout the year in Selangor.
Humidex in °CHumidex in Selangor
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Map of Selangor

Most important cities in the region »Selangor«

The region has a west-east extension of about 100 km and over 120 km from north to south.

CityPopulationGeo position
Kampung Baru Subang833,5713° 8' 60"N101° 31' 60"E
Klang296,6423° 1' 60"N101° 27' 0"E
Petaling Jaya218,5063° 6' 26"N101° 36' 24"E
Shah Alam195,0493° 5' 6"N101° 31' 58"E
Rawang120,4473° 19' 17"N101° 34' 36"E
Semenyih92,4912° 57' 6"N101° 50' 35"E
Kampong Baharu Balakong69,3023° 1' 60"N101° 45' 0"E
Kuala Selangor55,8873° 21' 0"N101° 15' 0"E
Banting48,2402° 48' 49"N101° 30' 7"E
Serendah28,4843° 21' 53"N101° 36' 15"E
Sungai Besar26,9393° 40' 29"N100° 59' 12"E
Jenjarum24,8572° 52' 21"N101° 29' 41"E
Ladang Seri Kundang23,3073° 17' 8"N101° 31' 8"E
Batu Arang22,5793° 19' 0"N101° 28' 0"E
Tanjung Sepat22,3402° 39' 28"N101° 33' 46"E
Kuang21,1853° 15' 34"N101° 33' 15"E
Batang Berjuntai20,0013° 22' 60"N101° 25' 0"E
Sabak Bernam17,2513° 46' 11"N100° 59' 16"E
Kampung Tanjung Karang16,3933° 25' 27"N101° 11' 6"E

Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants:, United Nations Statistics Division and own research.
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