May weather forecastSitiawan, Malaysia
May
Weather in May
May, the last month of the spring in Sitiawan, is another hot month, with an average temperature ranging between max 31.1°C (88°F) and min 26.5°C (79.7°F).Temperature
With the onset of May, Sitiawan's average high-temperature clocks in at a still hot 31.1°C (88°F), showing a minor fluctuation from the previous month. Sitiawan encounters a negligible difference from daytime peaks throughout the May nights, with a low-temperature average of 26.5°C (79.7°F).Heat index
May's mean heat index is evaluated at a blistering 40°C (104°F). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In May, the average relative humidity in Sitiawan is 76%.Rainfall
In Sitiawan, in May, during 25.2 rainfall days, 84mm (3.31") of precipitation is typically accumulated. In Sitiawan, during the entire year, the rain falls for 299.1 days and collects up to 976mm (38.43") of precipitation.Daylight
In May, the average length of the day in Sitiawan is 12h and 19min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:22 pm. On the last day of May, in Sitiawan, sunrise is at 7:04 am and sunset at 7:25 pm +08.
Sunshine
In May, the average sunshine in Sitiawan is 9.1h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 7 during May translates into these guidelines:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Sitiawan, Malaysia
- Average high temperature in May: 31.1°C
The warmest month (with the highest average high temperature) is June (31.3°C).
The month with the lowest average high temperature is December (29.5°C).
- Average low temperature in May: 26.5°C
The month with the highest average low temperature is May (26.5°C).
The coldest month (with the lowest average low temperature) is January (24.8°C).
Average pressure in May
Sitiawan, Malaysia
- Average pressure in May: 1008.9mbar
The month with the highest atmospheric pressure is January (1010.6mbar).
The months with the lowest atmospheric pressure are May and June (1008.9mbar).
Average wind speed in May
Sitiawan, Malaysia
- Average wind speed in May: 7.7km/h
The windiest month (with the highest average wind speed) is July (8.7km/h).
The calmest months (with the lowest average wind speed) are January and December (6.9km/h).
Average humidity in May
Sitiawan, Malaysia
- Average humidity in May: 76%
The months with the highest relative humidity are November and December (79%).
The month with the lowest relative humidity is August (72%).
Average rainfall in May
Sitiawan, Malaysia
- Average rainfall in May: 84mm
The wettest month (with the highest rainfall) is November (140mm).
The driest month (with the least rainfall) is June (42mm).
Average rainfall days in May
Sitiawan, Malaysia
- Average rainfall days in May: 25.2 days
The month with the highest number of rainy days is November (28.3 days).
The month with the least rainy days is June (20.3 days).
Average daylight in May /
Average sunshine in May
Sitiawan, Malaysia
- Average daylight in May: 12h and 18min
The month with the longest days is June (Average daylight: 12h and 24min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in May: 9h and 6min
The months with the most sunshine are June and July (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).
Average sunshine days in May
Sitiawan, Malaysia
- Average sunshine days in May: 4 days
The months with the most sunshine days are June and July (7.2 days).
The month with the least sunshine days is November (1.1 days).
Average UV index in May
Sitiawan, Malaysia
- Average UV index in May: 7
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 in May
Sitiawan, Malaysia
- Average cloud cover in May: 35
The month with the most cloud cover is November (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in May
Sitiawan, Malaysia
- Average visibility in May: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





