Pattaya
Thailand
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Pattaya, Thailand

The towering wooden building of the Sanctuary of Truth Temple in Pattaya, Thailand, in the middle of a lovely natural park garden
The towering wooden building of the Sanctuary of Truth Temple in Pattaya, Thailand, in the middle of a lovely natural park garden
May begins the rainy season in Pattaya with the arrival of the southwest monsoon in the city. Although the rainfall is moderate, it still manages to register 147.3mm (5.8"), thanks to occasional heavy downpours.
The rain lowers the heat a little as the average temperatures reside in the 26.1°C (79°F) to 32.2°C (90°F) range. The growing season is in full swing as the landscape turns a shade of green.
At least 12 days in May witness cloud cover as the daily sunshine reduces to 6 hours during the 13 hours of daylight. Expect heavy showers of short duration with lightning and thunderstorms.

What is the temperature in May in Pattaya?

The average high-temperature, in May, in Pattaya, is 32.4°C (90.3°F), while the average low-temperature is 26.4°C (79.5°F). In May, the average heat index (a.k.a. 'real feel', 'feels like'), that calculates temperature value influenced by the moisture in the air, is estimated at 44.9°C (112.8°F).

What is the average humidity in May in Pattaya?

In Pattaya, Thailand, the average relative humidity in May is 78%.

How much does it rain in Pattaya in May?

In Pattaya, Thailand, in May, during 12 rainfall days, 148.3mm (5.8") of precipitation is typically accumulated.

When is the sea warmest in Pattaya?

The month with the warmest seawater in Pattaya, Thailand, is May, with an average sea temperature of 30°C (86°F).

What is the sea water temperature in May in Pattaya?

In Pattaya, the average seawater temperature in May is 30°C (86°F). For swimming, other intense water activities, temperature above 30°C (86°F) is arguably unpleasant, as the water cooling effect is missing.

How many hours of daylight does Pattaya have in May?

The average length of the day in May in Pattaya, Thailand, is 12.7h.

How long on average sun shines in May in Pattaya?

In May, the average sunshine is 6h.

What is the month with the highest UV index in Pattaya?

February through September, with an average maximum UV index of 12, are months with the highest UV index in Pattaya, Thailand.

What is the UV index reading in May in Pattaya?

In Pattaya, the average daily maximum UV index in May is 12. A UV Index reading of 11, and higher, represents an excessive health risk from the exposure to the Sun's UV radiation.
Average temperature in May - Pattaya, Thailand
  • Average high temperature in May: 32.4°C

The warmest month (with the highest average high temperature) is April (32.9°C).
The month with the lowest average high temperature is December (30°C).

  • Average low temperature in May: 26.4°C

The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is December (22.5°C).

Average humidity in May - Pattaya, Thailand
  • Average humidity in May: 78%

The month with the highest relative humidity is October (83%).
The month with the lowest relative humidity is December (70%).

Average rainfall in May - Pattaya, Thailand
  • Average rainfall in May: 148.3mm

The wettest month (with the highest rainfall) is October (216.1mm).
The driest month (with the lowest rainfall) is December (8.3mm).

Average rainfall days in May - Pattaya, Thailand
  • Average rainfall days in May: 12 days

The month with the highest number of rainy days is October (18 days).
Months with the lowest number of rainy days are January and December (1 days).

Average sea temperature in May - Pattaya, Thailand
  • Average sea temperature in May: 30°C

The best month for swimming (with the highest average sea temperature) is May (30°C).
The coldest month (with the lowest average sea temperature) is January (27.2°C).

Average daylight in May / Average sunshine in May - Pattaya, Thailand
  • Average daylight in May: 12.7h

The month with the longest days is June (Average daylight: 12.9h).
The month with shortest days is December (Average daylight: 11.4h).

  • Average sunshine in May: 6h

Months with most sunshine are January, February, March, April and December (Average sunshine: 8h).
Months with least sunshine are June, July, August and September (Average sunshine: 5).

Average UV index in May - Pattaya, Thailand
  • Average UV index in May: 12

Months with the highest UV index are February, March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 9).