May weather forecastPekan, Malaysia
May
Weather in May
May, the last month of the spring in Pekan, is also a hot month, with an average temperature varying between 26.6°C (79.9°F) and 31.3°C (88.3°F).Temperature
The warmest period falls in May and June, when the average high-temperature reaches 31.3°C (88.3°F).Heat index
The average heat index in May is appraised at a blistering 42°C (107.6°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Typically, children face more danger than adults as they usually perspire less. Their larger skin surface relative to their small bodies and increased heat output from their activities enhance their risk.
When the body gets too warm, it perspires, leading to sweat evaporation which cools it down. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
The average relative humidity in May is 79%.Rainfall
In Pekan, during May, the rain falls for 25.8 days and regularly aggregates up to 176mm (6.93") of precipitation. Throughout the year, there are 280.1 rainfall days, and 1828mm (71.97") of precipitation is accumulated.Daylight
In May, the average length of the day is 12h and 17min.On the first day of the month, sunrise is at 6:56 am and sunset at 7:10 pm. On the last day of May, sunrise is at 6:54 am and sunset at 7:13 pm +08.
Sunshine
With an average of 9h of sunshine, May has the most sunshine of the year in Pekan, Malaysia.UV index
February through November, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 7 in May leads to these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Pekan, Malaysia
- Average high temperature in May: 31.3°C
The warmest months (with the highest average high temperature) are May and June (31.3°C).
The month with the lowest average high temperature is January (28.3°C).
- Average low temperature in May: 26.6°C
The month with the highest average low temperature is May (26.6°C).
The coldest months (with the lowest average low temperature) are January and February (24.5°C).
Average pressure in May
Pekan, Malaysia
- Average pressure in May: 1008.8mbar
The month with the highest atmospheric pressure is February (1010.9mbar).
The months with the lowest atmospheric pressure are May and June (1008.8mbar).
Average wind speed in May
Pekan, Malaysia
- Average wind speed in May: 7.8km/h
The windiest month (with the highest average wind speed) is January (15.1km/h).
The calmest month (with the lowest average wind speed) is May (7.8km/h).
Average humidity in May
Pekan, Malaysia
- Average humidity in May: 79%
The months with the highest relative humidity are January and December (82%).
The months with the lowest relative humidity are September and October (77%).
Average rainfall in May
Pekan, Malaysia
- Average rainfall in May: 176mm
The wettest month (with the highest rainfall) is December (257mm).
The driest month (with the least rainfall) is February (76mm).
Average rainfall days in May
Pekan, Malaysia
- Average rainfall days in May: 25.8 days
The month with the highest number of rainy days is November (27 days).
The month with the least rainy days is February (15.3 days).
Average daylight in May /
Average sunshine in May
Pekan, Malaysia
- Average daylight in May: 12h and 18min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in May
Pekan, Malaysia
- Average sunshine days in May: 4.3 days
The month with the most sunshine days is February (10.3 days).
The month with the least sunshine days is November (2.5 days).
Average UV index in May
Pekan, Malaysia
- Average UV index in May: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January and December (UV index 6).
Average cloud cover in May
Pekan, Malaysia
- Average cloud cover in May: 36
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 35).
Average visibility in May
Pekan, Malaysia
- Average visibility in May: 9km
The months with the highest visibility are February, March and June (10km).
The months with the lowest visibility are January, April, May, July, August, September, October, November and December (9km).





