May weather forecast
Hat Yai, Thailand

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Weather in May

May's commencement in Hat Yai is characterized by a slight tapering of the scalding streak from the previous months. A pronounced increase in humidity blankets the cityscape, giving rise to the shimmering mirage effect known to tropical climates. The combination of this humidity and persistent heat creates a unique eco-climate for the city's flora and fauna. Despite a slight reduction in daylight hours, outdoor activities continue, albeit with necessary weather adaptations. The peak rainfall this year is recorded in May, reaching a significant 148mm (5.83").

Temperature

The average high-temperature during May is a still hot 33.8°C (92.8°F), almost matching the conditions of the preceding month. May nights in Hat Yai are marked by an average low-temperature of 24°C (75.2°F).

Heat index

May's mean heat index is evaluated at a life-threatening hot 52°C (125.6°F). Heed: Expect heat cramps and heat exhaustion. Continued action may cause heatstroke.
Observations indicate that the heat index values are for shady locations with light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', binds temperature metrics with humidity values to give a sense of the actual warmth. The effect is experienced differently by individuals, hinging on unique characteristics such as body mass, stature, and level of activity. Keep in mind that direct sunshine exposure can amplify the weather's effects, possibly increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Potential thermal conditions emerge as the body's heat gain outpaces its cooling mechanisms.

Humidity

In Hat Yai, the average relative humidity in May is 81%.

Rainfall

In May, the rain falls for 16 days. Throughout May, 148mm (5.83") of precipitation is accumulated. Throughout the year, there are 160 rainfall days, and 1726mm (67.95") of precipitation is accumulated.

Daylight

In May, the average length of the day in Hat Yai, Thailand, is 12h and 26min.
On the first day of May, sunrise is at 06:03 and sunset at 18:26. On the last day of the month, sunrise is at 06:00 and sunset at 18:30 +07.

Sunshine

In May, the average sunshine is 7h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum daily UV index of 12 during May morphs into the following directions:
Employ all crucial safeguards, unprotected skin could burn rapidly. Avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is most intense, and remember that not all shade structures provide full protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. A sunscreen with at least SPF 30 should be used liberally and reapplied frequently on cloudy days, especially after swimming or an outdoor workout.

Frequently asked questions

How hot is it in Hat Yai in May?

The high-temperature, in May, in Hat Yai, is 33.8°C (92.8°F), while the low-temperature averages to 24°C (75.2°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in May is evaluated at 52°C (125.6°F).

What is the average humidity in May in Hat Yai?

In Hat Yai, Thailand, the average relative humidity in May is 81%.

How much does it rain in Hat Yai in May?

In Hat Yai, Thailand, in May, during 16 rainfall days, 148mm (5.83") of precipitation is typically accumulated.

How many hours of daylight does Hat Yai have in May?

The average day length in May is 12h and 26min.

When is the sunrise / sunset in May in Hat Yai?

In May, on the first day of the month, sunrise is at 06:03 and sunset at 18:26. On the last day of the month, sunrise is at 06:00 and sunset at 18:30 +07.

How many hours of sunshine does Hat Yai have in May?

The average sunshine duration in May is 7h.

What are the months with the highest UV index in Hat Yai?

The months with the highest UV index in Hat Yai, Thailand, are February through October, with an average maximum UV index of 12.

What is the UV index reading in May in Hat Yai?

In Hat Yai, Thailand, the average daily maximum UV index in May is 12. A UV Index of 11, and more, symbolizes an ultimate hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in May
Hat Yai, Thailand

Average temperature in May - Hat Yai, Thailand
  • Average high temperature in May: 33.8°C

The warmest month (with the highest average high temperature) is April (34.6°C).
The month with the lowest average high temperature is December (29.7°C).

  • Average low temperature in May: 24°C

The month with the highest average low temperature is May (24°C).
The coldest month (with the lowest average low temperature) is January (22°C).

Average humidity in May
Hat Yai, Thailand

Average humidity in May - Hat Yai, Thailand
  • Average humidity in May: 81%

The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is March (76%).

Average rainfall in May
Hat Yai, Thailand

Average rainfall in May - Hat Yai, Thailand
  • Average rainfall in May: 147.7mm

The wettest month (with the highest rainfall) is November (317.1mm).
The driest month (with the least rainfall) is February (24.4mm).

Average rainfall days in May
Hat Yai, Thailand

Average rainfall days in May - Hat Yai, Thailand
  • Average rainfall days in May: 16 days

The months with the highest number of rainy days are October and November (21 days).
The month with the least rainy days is February (3 days).

Average daylight in May /
Average sunshine in May
Hat Yai, Thailand

Average daylight in May / Average sunshine in May - Hat Yai, Thailand
  • Average daylight in May: 12h and 2min

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 42min).

  • Average sunshine in May: 7h

The month with the most sunshine is February (Average sunshine: 9h).
The months with the least sunshine are June, August, September, October, November and December (Average sunshine: 6h).

Average UV index in May
Hat Yai, Thailand

Average UV index in May - Hat Yai, Thailand
  • Average UV index in May: 12

The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The months with the lowest UV index are January, November and December (UV index 11).

Hat Yai, Thailand

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